JP4621166B2 - Printing screen plate and printing screen plate manufacturing method - Google Patents

Description

  The present invention relates to a screen plate for screen printing and a method for producing the screen plate for printing.

The present invention relates to a screen having a new structure obtained by variously combining screen meshes or sheets. Furthermore, the present invention relates to a method for detachably attaching a screen to a screen frame, and a method for manufacturing a screen frame and a plane mirror used therefor.
Further, the present invention relates to a method for stretching a canvas for painting and a promotional sheet on a frame.

  2. Description of the Related Art Conventionally, screen plates for screen printing are provided with one metal mesh having a low elasticity, mainly having an image formation planned portion at the center of the screen plate, and an image formation plan is provided at the periphery of the image formation planned portion as a support portion thereof. A screen plate in which one mesh having a higher elasticity than the part is arranged is used (see Japanese Utility Model Publication No. 51-9297). That is, one screen plate is configured using two types of meshes having different stretchability. From this point of view, there is also a proposal of a screen plate in which the image forming unit is made of one stainless mesh and the peripheral part is made of one polyester mesh. In addition, with this configuration, a configuration is also known in which the image forming unit is arranged not in the center of the frame but vertically and horizontally (see JP-A-2-00494).

  In the invention in which meshes are superimposed, a combination mask is proposed in which two meshes are overlapped on the edge of a metal plate having an image hole serving as a printing surface. (See JP-A-9-150497).

  Further, there has been proposed a single mesh provided with a reinforcing portion so as to surround the image forming portion between the plate frame material and the image forming portion. There is a reinforcing member obtained by curing a sheet member or an adhesive (see JP-A-11-170719).

In addition, a screen having a combination of a mesh and a sheet is known in which an image forming unit is a stainless mesh and a periphery thereof is formed of a polyester film.
JP-A-9-150497 JP-A-11-170719 Japanese Utility Model Publication No. 51-9297 JP-A-2-00494 JP-A-9-150497 JP-A-11-170719

In recent years, there is a field in which the demand for screen printing and its targets are rapidly expanding.
The objects to be printed are lacking in the manufacture of electronic equipment such as printed circuit boards, hybrid ICs, chip parts, fluorescent display tubes, plasma displays, liquid crystal displays, EL electrodes, circuit formation printing, fluorescent material printing, partition wall printing, etc. It is about basic technology that cannot be done. It is not uncommon for the required printing position accuracy to be 5 microns or less. Therefore, the present invention relates to the printing field in which slight movement of the print pattern portion is a serious problem.

  Conventionally, screen plates for screen printing are provided with a metal mesh mainly having a low elasticity and having an image formation planned portion at the center of the screen plate, and relatively elastic at the periphery of the image formation planned portion as a supporting portion thereof. A relatively simple screen version with a large mesh is used.

  Therefore, in order to reduce the movement of the image during precision printing, if a large tension is applied to the screen plate, the elastic limit of the metal mesh of the image formation scheduled part and the elastic limit value of the mesh with large elasticity to be combined are different. The mesh with the lower elastic limit first exceeds the elastic limit and reaches the yield point, and the weaker one may stretch out first and be unable to return to its original state, giving the screen a large tension as a whole. There was a problem that could not be done.

  The screen is completely different in elasticity and elasticity depending on the size of the planned image formation part and the screen material to be used, so that each time the screen is made according to the required purpose of the printed material, it is adjusted. This is a challenge that is difficult to adjust.

  In addition, the adhesive part between the screens of different materials such as screens of different materials, such as a bonded part of the screen of the metal sheet and the synthetic resin mesh screen, or between the screens of different properties and forms, such as the mesh and the sheet, is weakened. There was a problem that it may be peeled off when a strong tension is applied, and it cannot withstand long-term use.

  Further, when the screens are joined together or overlapped, a step is generated at the joint or the overlapped portion. When printing using this screen, the squeegee is caught on the step, causing the squeegee to be damaged or peeled off from the location of the step, resulting in an accident that eventually destroys the screen.

  The metal mesh screen currently on sale is the largest in size in the form of a roll with a width of 1.5 m. This seems to be due to the production circumstances of the metal mesh manufacturer, but it is a de facto limiting factor in creating a screen that cannot be bonded.

  In addition, it is necessary to create a large screen and print a large amount at a time to reduce the printing cost. However, in reality, there is a limitation due to the size of the screen that is actually sold. Since it could not be produced, it was a difficult task to put to practical use.

  Furthermore, in screen printing, printing of a substrate with protrusions or protrusions has been an extremely difficult task.

  This screen metal mesh has a structure in which fine metal wires are woven like a normal woven mesh, so there are innumerable intersections of metal wires that make up the mesh, and it is stretched with strong tension. When printing on the screen, if you press vertically downward with a squeegee, the intersection of the metal lines will be distorted or displaced, resulting in the image being distorted or displaced, reducing print accuracy. It is one of the causes.

  Therefore, if the distortion and misalignment of the metal lines of the mesh of the metal mesh screen constituting the image forming unit can be suppressed as much as possible, the printing accuracy can be remarkably improved, and the sides of the frame side can be improved. If the length can be adjusted or the frame side can be curved to correct image distortion and misalignment, precise printing can be performed.

  In addition, the mesh screen used in the image forming unit is woven into a mesh shape by woven fine metal wires (500 mesh, 18 μm for wire diameter) such as stainless steel. By this fine wire processing, the line surface is smooth like a mirror surface. It has the property of irregularly reflecting light. In order to form an image, light such as ultraviolet rays is mainly irradiated to sensitize the photographic photosensitive agent. However, when a fine printed image is formed, light is irregularly reflected on the mirror-like line surface and the image is blurred. As a result, there was a problem that a clear and sharp image could not be formed.

  Since screens for screen printing are stretched with tension applied to the screen, the screen frame needs to be strong enough to withstand this tension, and is made of extremely strong wood or metal. The screen frame is heavy and bulky.

  Moreover, since the screen is adhered to the screen frame with an adhesive or the like, it cannot be easily detached from the screen frame and stored or transported.

  In addition, the plate is stored for later reuse, but it is stored in a state where the screen is stretched on the frame, which requires a large storage place such as a warehouse, which is uneconomical.

  Further, since the screen is stored in a state where tension is applied, there is a problem that the screen extends during storage and the image is deformed.

  In addition, since the screen processing location, the image formation location, and the printing location are often separated from each other, it is inefficient to move and transport the heavy and bulky screen frame to each location. It was inconvenient and inconvenient.

  In addition, it has been very laborious to remove the screen and clean it in order to reuse the used screen frame.

  In addition, there are no screen frames that can freely adjust the side length of the screen frame.

  Combine the screen frame that allows you to adjust the length of the screen frame freely and the screen latch that fixes the screen to stretch the screen, adjust the screen tension, and secure the screen latch that secures the screen. It would be convenient if it could be made removable, but I didn't find anything like this.

  In addition, when there is distortion of the printing material itself, when there is uneven stretching of the screen, when there is distortion or misalignment caused by floating printing, it is difficult to correct or adjust this to increase the printing accuracy. .

  Furthermore, once the screen is fixed to the screen frame and an image is formed on this, if the distortion and misalignment of the generated image can be adjusted, the printing accuracy will be significantly improved. It was a difficult task.

  In addition, it was not possible to make a plane mirror at low cost, or to easily change the canvas for painting and the advertisement.

  The present invention aims at producing a screen capable of stretching a screen with a strong tension capable of precision printing and freely adjusting the stretchability and the tension according to the purpose of printing, and for producing the screen at a low cost. One or more sheet screens are joined together to form a patchwork shape, or a screen having a new structure in which a plurality of sheets are laminated and bonded together, thereby reducing the tensile strength and flexibility of the screen. The yield point can be adjusted to solve the above problem. As a result, a screen having a new structure and effect capable of obtaining an unprecedented strong tension can be obtained.

  Combine a thin plate, a thick one, a finely woven one, a rough one, one coated with a light sensitive emulsion, one coated thinly, one with a different mesh angle of the screen in one plate. Thus, various printed expressions are arranged in one plate, and this is made possible by one printing.

  In addition, for each image with different ink properties, performance differences, color differences, and pattern differences, a wall with a wall or a segmented ridge is provided to prevent ink mixing. Multiple expressions can be made simultaneously by one printing.

  Originally, the meshes or sheets used for screen printing screens are extremely thin, so even if they are laminated together, they do not become too thick and lose their elasticity. It has been found that a structure in which a plurality of screens of the invention are laminated and bonded together is extremely effective.

  When the first screen and the second screen are bonded together with an adhesive or a photosensitive emulsion, the screen material is extremely thin, so that the screen is fixed firmly and does not lose any stretchability. Screens that are larger than the area still retain some flexibility necessary for printing as a whole screen. The inventors have found this property and completed the present invention.

  Furthermore, a screen frame that can be expanded and contracted with a screen frame and a screen frame that is different from the screen frame and that is simple or inexpensive, or a frame-like one that is temporarily fixed without applying a large tension to the screen. Using the latch, horizontal moving tool, screen presser, and screen fixed to the latch, the screen frame is printed with a printable tension on the screen, and then the screen is made removable. Also aimed.

  An invention relating to a conventional screen printing screen is one in which a tension is applied to the screen and the screen is fixed to a screen frame so that the screen can be printed.

  On the other hand, in the present invention, in addition to the screen fixed to the screen frame, a screen for screen printing is formed, and this is not stretched on the screen frame, or is fixed to the screen latch, Or the thing of the form which sells this as a product in the state which coated the photosensitive resin on the screen, or the state which formed the image on the screen is also included.

  In the present invention, all the screen frames are described as being rectangular, but it is needless to say that polygons may be employed. It can be suitably employed as necessary.

  In addition to the above, screens with the end of the screen processed into a loop (bag shape) and those with the entire periphery of the screen end turned back to the upper or lower surface of the screen will be sold as a new form of product. Is also included.

  If the purchaser of this screen purchases and puts in advance one screen frame on which this screen can be stretched, it is economical because it is only necessary to purchase the screen thereafter.

  Further, a purchaser of a screen fixed to a screen latch uses a screen tensioning tool, stretches it on an appropriate screen frame, forms an image, and uses it for screen printing. It is also a product proposal. A bonded screen that is not stretched on the screen frame can be printed by printing on an image forming unit by fixing the screen to a screen latch and fixing the screen to the screen frame with an adhesive or the like. It can also be sold as a bonded screen version for screen printing by being stretched and fixed on a screen frame.

  Thereby, since the transaction, transportation, storage, etc. of the screen can be handled separately from the bulky and heavy screen frame, it is extremely convenient and efficient.

In this application, the screen stretched on the screen frame will be described as a screen plate.
A screen or a screen plate is formed by joining screens or by stacking one or more sheets together, and has the high tension required for a precision printing screen, with little movement and distortion of the image, and with an elastic limit. The above problems were solved by obtaining a high screen and screen version.

  Further, each of the screens to be bonded is conventionally discarded as a screen cutting waste, which is less than the size of one screen. By effectively utilizing the screen fragments, different types of screen materials can be mixed and pasted into a patchwork to reduce the amount of new screen materials used as much as possible. Reduced plate production costs.

  Further, by joining the screens together, a large screen can be simplified and provided at a low cost.

  Furthermore, the present invention proposes a method of stretching the screen to the screen frame in a detachable manner using a screen frame or a screen presser configured to be extendable.

  That is, a first screen having an image or image formation scheduled portion and a second screen having no image or image formation scheduled portion are joined together to form a single screen, which has the size of the outside of the screen frame. In the screen printing screen, the first screen is one piece of mesh or a plurality of pieces joined together to form a patchwork, or a plurality of meshes and sheets are joined together and joined together to form a patchwork. Alternatively, a plurality of these sheets may be stacked and bonded together, and the second screen may be a mesh or sheet, or a plurality of sheets may be joined together to form a patchwork, or a plurality of meshes and sheets may be mixed. And patched together, or a plurality of meshes or sheets stacked and bonded together, or the first A screen printing screen characterized in that a screen and a second screen are mixed to form a joint patchwork, the first screen having an image or image formation scheduled portion, and the image or image formation planned portion In a screen printing screen in which a second screen having no surface is joined to form a single screen, and this is the size of the outside of the screen frame, the first screen is one piece of mesh or a plurality of pieces To form a patchwork shape, or a plurality of meshes and sheets to be joined together to form a patchwork shape, or a plurality of them stacked and bonded together, and the second screen is mesh or Join multiple sheets to form a patchwork, or mix and join mesh and sheets A patchwork shape, or a plurality of meshes or sheets stacked and bonded together, or the first screen and the second screen are mixed to form a joint patchwork shape. This is a screen printing screen.

  Further, the first screen having the image or the image formation scheduled portion and the second screen without the image or the image formation scheduled portion are joined together to form one screen, which has the size of the outside of the screen frame. In the screen printing screen, the first screen is one sheet or a plurality of sheets joined together to form a patchwork, or a mesh and a plurality of sheets joined together to form a patchwork. Alternatively, a plurality of these sheets may be stacked and bonded, and the second screen may be patchworked by joining a plurality of meshes or sheets, or a patch may be formed by combining a plurality of meshes and sheets. It is a work shape, or a plurality of meshes and sheets are laminated and bonded together, or the first screen and the first A screen printing screen characterized in that the screens are mixed to form a joint patchwork, and a first screen having an image or image formation scheduled portion and a second screen having no image or image formation scheduled portion. The screen is a screen printing screen having a size outside the screen frame, and the first screen is patched with a plurality of meshes or sheets. Or a plurality of meshes and sheets mixed and joined together to form a patchwork, or a plurality of these stacked and bonded together, and the second screen is one of meshes or sheets, or Join multiple sheets to make a patchwork shape, or mix and join multiple sheets of mesh and sheet And Tchiwaku like, or a screen printing screen, characterized in that it is assumed that these multiple-ply bonded.

  Next, the first screen having an image or image formation scheduled portion and the second screen having no image or image formation planned portion are joined together to form one screen, which is the size of the outside of the screen frame. In the screen printing screen, the first screen is one mesh, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are joined together to form a patchwork. Or, a plurality of these may be stacked and bonded together, and the second screen may be one mesh or sheet, or a plurality of sheets may be joined together to form a patchwork, or a plurality of mesh and sheets may be mixed. And patched together, or a plurality of meshes stacked and bonded together, and the second screen The entire surface, the entire lower surface, or both the upper and lower surfaces, or a part of the upper and lower surfaces, are arranged as one piece of the second mesh, or a plurality of the two meshes are abutted or overlapped, A screen printing screen characterized by being fixed to a screen, wherein a first screen having an image or image formation planned portion and a second screen without an image or image formation planned portion are joined together to form one screen In the screen printing screen having the size of the outside of the screen frame, the first screen is one sheet, or a plurality of sheets are joined together to form a patchwork, or mesh and sheet A plurality of sheets are mixed and joined together to form a patchwork, or a plurality of these are stacked and bonded together, and the second screen , One piece of mesh or sheet, or a plurality of sheets joined together to form a patchwork, or a mixture of meshes and sheets joined together to form a patchwork, or a plurality of sheets laminated together Further, one or more sheets of the second sheet are abutted or stacked on the entire upper surface, the entire lower surface, or the entire upper and lower surfaces of the second screen, or a part of the upper and lower surfaces. A screen printing screen characterized in that it is disposed and fixed to the second screen.

  Further, the first screen having the image or the image formation scheduled portion and the second screen having no image or the image formation scheduled portion and having the opening of the image or the image formation scheduled portion are overlapped and bonded to obtain the size of the screen frame. In the screen printing screen constituting one screen, the first screen is one piece of mesh or a plurality of pieces are overlapped to have a size of an inner method or an outer method, and the second screen is One or both of the meshes are overlapped to obtain the size of the inner method or the outer method, and either or both of the combination of the first screen and the second screen become the size of the outer method of the screen frame. A screen printing screen characterized by being combined and bonded in the same manner, the first having an image or an image formation scheduled portion In a screen printing screen configured to form a single screen by laminating a clean screen and a second screen having no image or image formation scheduled portion and having an image or image formation scheduled portion opening to overlap each other. The first screen is one sheet or a plurality of sheets are overlapped to have the size of the inner method or the outer method, and the second screen is one sheet or a plurality of sheets are overlapped A screen having a size of a method or an outer method, wherein one or both of the combination of the first screen and the second screen have a size of a method outside the screen frame, and are bonded together This is a printing screen.

  Further, the first screen having the image or the image formation scheduled portion and the second screen without the image or the image formation scheduled portion are joined together to form one screen, which has the size of the outside of the screen frame. In the screen printing screen, the first screen is one piece of mesh or sheet, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are joined together and joined together to form a patchwork. Or a plurality of these layers and bonded together, and the second screen is a mesh or sheet, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are mixed. And patched to form a patchwork, or a plurality of these stacked and bonded together, or the first screen The screen and the second screen are mixed and joined to form a patchwork-like screen, and a plurality of image or image formation planned portions are provided in a scattered manner, and this is the size of the outside of the screen frame. A screen printing screen characterized in that, in the screen printing screen, a plurality of images or image formation scheduled portions are provided on the screen in a scattered manner, and the image or image formation scheduled portion is surrounded or sectioned. It is a screen printing screen characterized in that strips or partition ribs are provided on the upper surface of the screen.

  Further, in a screen printing screen for printing a printed material having protrusions or protrusions, the protrusions or protrusions are formed on the upper surface, the lower surface, or the upper and lower surfaces of the screen at positions corresponding to the protrusions or protrusions of the sheet screen or the printed material. A slightly larger sheet piece is arranged to form a screen, and the screen surface at a position corresponding to the protrusion or protrusion is surrounded by a protrusion that surrounds the protrusion or protrusion. Or, a screen printing screen characterized in that an opening is provided. In the screen printing screen, the screen printing screen is characterized in that a printing alignment mark is provided on the lower surface or both upper and lower surfaces of the screen. .

  Furthermore, the mesh and sheet used as the screen material are a mesh or sheet made of metal, synthetic resin, animal, plant, mineral, or a composite material thereof, and the sheet used as the screen material is a photolithographic method, a plating method, Electroforming method, etching method, laser processing method, punching processing method, router processing method, machining method, molding method or sand blasting method to form a sheet processing mesh to form an image on this, or sheet processing A screen printing screen that is formed into a mesh and simultaneously forms an image by the above processing, and in the screen printing sheet screen, the entire edge of the screen of the sheet having the image or the image forming scheduled portion is formed on the upper surface or the lower surface. Fold back to provide a folded portion, or overlap or overlap the folded portions Wear and or screen edges all sides of the mesh folded on the upper surface or the lower surface, a screen printing screen sheet, characterized in that it was formed on the coating hardened by sheet by an adhesive.

  Next, on the screen of the screen printing sheet, a folded portion is provided by folding the entire edge of the screen having the image or the image forming scheduled portion, or by folding all sides upward or downward, or overlapping the folded portions. Or a sheet folded in the form of a sheet by folding the entire screen end of the screen of the sheet on which the sheet has been fixed in layers, or by folding the entire screen edge of the mesh to the upper part or the lower part. The screen printing sheet screen is characterized in that a folding portion that is hooked to a hooking portion provided on the upper surface or outer side surface of the screen frame is provided on the entire periphery of the screen. Or, cut off the screen surface excluding the image or image formation planned portion around the screen edge of the sheet having the image formation planned portion. 1 or a plurality of pieces, and a piece of a mesh or a sheet, or a piece having a size enough to block each of the cuts, on the upper surface or lower surface of the screen where the cuts are provided, or a part or the whole of both upper and lower surfaces Is a screen of a sheet for screen printing, characterized in that a screen is formed by placing the material in abutment on the entire surface and superimposing and adhering it to the screen of the sheet.

  Further, the mesh is a screen printing screen in which a metal or synthetic resin mesh is plated with metal, black plating, and plating of a color that does not reflect ultraviolet rays, or a screen printing screen in which the intersection of lines constituting the mesh is fixed. In this method, an image is formed on a metal mesh that has been subjected to metal plating, and the metal plating layer where the mesh plating of the image is exposed is dissolved in an acid or alkaline solution or removed by sandblasting. For the screen.

  Further, in the screen printing screen plate, one screen of meshes or one screen of meshes joined together, one sheet of sheets or one screen of sheets joined together, or mesh and sheet mixed. One of the screens configured in a joint patchwork is stretched on the screen frame with different longitudinal and lateral tensions, or one mesh or one mesh joined together Arbitrary screens can be combined from the following screens, a single sheet of sheets or a sheet of sheets joined together, or a single screen composed of mesh and sheets mixed into a patchwork. These screens are stretched on the screen frame by changing the tension of each screen or changing the tension in the vertical and horizontal directions. This is a screen printing screen plate characterized in that it is laminated and bonded, and a frame having a strength that only fixes the screen without applying tension to the screen or a corner is connected and fixed with a flexible material. A screen latching device in which a screen is fixed without applying tension to each of a frame, a frame having a structure in which a corner expands and contracts, a frame in which a corner is not connected and fixed, or a frame made of a flexible material. It is.

  The screen printing screen described above is a screen printing screen plate characterized in that the screen printing screen described above is stretched by adhering, adhering or fixing to a screen frame, and the first screen having an image or an image formation scheduled portion And a second screen having no image or image formation scheduled portion are combined into a single screen, which is a screen printing screen plate having a size outside the screen frame. The screen is a single mesh, or a plurality of meshes are patched together by aligning the mesh direction of each mesh, or the mesh and sheet screens are mixed to form each mesh mesh. The first script is formed by patching together by aligning the directions, or by stacking a plurality of these together. The mesh of each of the meshes of the second screen and the mesh of the second screen is parallel to the screen frame or at different angles, and is laminated and pasted on the screen frame. It is a screen version for screen printing.

  Next, in the screen printing screen plate configured to be divided into an upper stage and a lower stage, the upper half of the upper frame is fitted into the inner side of the lower frame or into a fitting groove provided on the inner side of the upper side of the lower frame. A projecting frame is provided, and a latching part for detachably latching the screen latching tool to which the screen is fixed is provided outside the upper surface of the lower frame side, and the screen latching tool is latched to the latching part. Or a screen plate for screen printing, wherein the screen frame is fixed to the screen frame, and the protruding frame of the upper frame is fitted inside the lower frame through the screen or is fitted and fixed to the fitting groove. A screen printing screen in which the screen is stretched by using a screen frame that can be expanded and contracted with a screen frame length and a screen latch that fixes the screen to the frame side or that fixes the screen. A screen frame that is loosely fitted to each corner end portion of the screen frame or a middle portion of the screen frame side that can be expanded and contracted, and a screen latch that fixes the screen. The screen frame is provided with a fitting portion or a screen adhesive portion for detachably fitting the screen latching tool on the upper surface of each frame side, and the inside of each frame side from one end outside each corner. A female screw provided at the other end corner that penetrates or a male screw receiver provided with a female screw at the intermediate portion in the side of the screen frame is provided and screwed into the female screw or the male screw receiver at the other end corner. A screen frame for screen printing, characterized in that a screen side length expansion / contraction means comprising a male screw is provided.

  Further, in a screen frame made of a metal or synthetic resin cylinder having a rectangular or square cross section for extending a screen printing screen, or a hollow or concave or L-shaped cross section, each side edge of the hollow cylinder A part of which is sealed or one end of each frame side of the hollow cylinder is opened, or a frame of a rectangular, concave or L-shaped structure is welded or fixed to form a screen frame; A predetermined number of screw holes are provided on the inner side or outer side surface of the concave frame side, or both side surfaces of the inner and outer sides, and on the side surface and outer side surface of the L-shaped frame side, at positions corresponding to the predetermined number of screw holes. A tension adjusting bar in which a predetermined number of female screw holes are provided and a tension adjusting screw is screwed into the female screw hole is inserted into the hollow portion from the opening of the frame side, or is incorporated in advance, or is a side surface of the rectangular frame side. On the concave side of the concave frame side or on the side of the L-shaped frame side The screen is characterized by adjusting the distortion and misalignment of the image by fitting and advancing or retreating the tension adjusting screw in the horizontal direction to curve the frame side in the horizontal direction to change the screen tension. Screen frame for printing, mesh or sheet screen bonding method, fixing method, and method of forming protrusions on the screen surface, joining or overlapping the screens together, fixing or meshing the screen with steps Sealing of the screen with an adhesive, forming an adhesive layer on the screen, or forming protrusions on the screen surface, peeling with a peelable sheet or embossing on the surface, back surface or both surfaces of the adhesive or fixing part Apply the adhesive sheet and bond or heat weld with an adhesive, or apply the mold and fill with the adhesive to fix, then peel In this state, the peelable sheet or the mold provided with the embossing is peeled off, and the surface of the adhesive or welded portion is formed on the inclined surface gently, or the embossed state is provided smoothly. A mesh or sheet screen adhering method, an adhering method, and a method of forming a projection on the screen surface, characterized in that seaming, bonding, or projection is formed.

  Further, in the method of stretching a screen printing screen, a screen frame having a screen frame whose side length can be expanded and contracted is provided with a screen latch hook portion, and the screen hook is simply fixed to the screen. The screen has a printable tension by hooking a stopper or fixing the screen to the upper surface of the screen frame, and then expanding / contracting the side length of the screen frame by means of expansion / contraction of the screen frame side length. In the method of stretching the screen printing screen, each of the frame sides of the screen frame or adjacent two sides, rectangles, or even sides of the two sides facing each other Latch having a width that can move in the outer direction parallel to the frame side and horizontally on the upper surface, lower surface, outer side surface, or inner side surface of one side A rigid rod-like horizontal moving tool is disposed on the hooking portion, and a hooking portion of the screen hooking tool or a screen fixing portion is provided on the upper surface, the inner side surface or the outer side surface of the horizontal moving tool. Then, the screen locking tool with the screen fixed is hooked on the locking portion of the horizontal moving tool, or the screen is fixed to the fixing portion of the horizontal moving tool, and the horizontal moving tool is moved by the horizontal moving means. A method for stretching a screen printing screen characterized in that the screen has a printable tension.

  Further, in the method of stretching the screen printing screen, in the case of each frame side of the screen frame or two adjacent sides, rectangles or even sides, one of the two sides facing each other, the upper surface, the lower surface, the outer side surface, or On the inner side surface, there are provided a hook portion for the screen hook and a fitting portion for the screen presser, and the screen hook to which the screen is fixed is hooked on the hook portion or the screen is placed on the upper surface or the side surface of the screen frame. The screen pressing tool is fixed to the screen, and the screen pressing tool is fitted to the fitting portion of the screen pressing tool by the screen pressing means to give a printable tension to the screen. This is a method of stretching a printing screen.

  Further, in the screen frame configured such that the side length of the screen frame can be expanded and contracted, the four frame sides provided with four L-shaped corners and four insertion holes into which the L-shaped corners can be inserted at both ends are provided. The L-shaped corner of the screen frame is assembled by inserting and assembling the ends of the L-shaped corners into the insertion holes of the frame sides, or an L-shaped screen having a long side and a short side. The four sides of the frame provided with insertion holes into which the short sides of the other frame sides arranged opposite to each other can be inserted into the end of the long side of the frame side so that the long side and the short side face each other. The short frame is inserted into the insertion holes of the long sides, and the screen frame is provided with expansion / contraction means for the frame side length of the screen frame, or is divided at an intermediate position of each side of the screen frame. An insertion hole for inserting the auxiliary frame side is provided at each end of the four L-shaped frame sides, A screen frame constructed by inserting and inserting each of the four auxiliary frame sides into an end portion, and having a frame side length of the screen frame provided with expansion / contraction means for the frame side length of the screen frame. Side length expansion / contraction means, horizontal moving means horizontal moving means and screen pressing means screen pressing means are screw mechanism, gear mechanism, cylinder mechanism, cam mechanism, spring mechanism, magnetic repulsion or pulling mechanism, wedge mechanism, lever mechanism Alternatively, the sliding fitting mechanism is a motor, and a screen printing screen plate, a screen frame for screen printing, or a screen for clean printing is stretched using air or hydraulic pressure as a driving force.

  Furthermore, the latching part is a screen printing screen plate, a screen frame for screen printing or a screen for clean printing provided with a fitting groove, a fitting projection, a fitting hole or a plurality of rows in which a screen latching tool is hooked. This is a method of stretching the screen, and the latching portion is provided with a fitting groove, a fitting hole or a plurality of rows in which the screen latching tool is hooked, and the bottom of the fitting groove and the fitting hole. A screen printing screen plate, a screen frame for screen printing, or a screen for clean printing provided with a detachable gap for facilitating the detachment of the screen latching device in the entire outer region.

  In addition, the latching portion is provided with a plurality of rows of fitting grooves, fitting holes or a plurality of rows for fitting the screen latching tool, and is in contact with the entire area inside the bottom screen frame side of the fitting grooves and fitting holes. , A screen printing screen plate, a screen printing screen frame or a screen for clean printing with an elastic shock absorber disposed thereon, and the latching portion includes a fitting groove for fitting the screen latch, For screen printing in which holes are formed in a plurality of rows, and the fitting groove and the fitting hole are in contact with the entire area inside the side of the screen frame, and an elastic shock absorber and a metal pad are arranged in contact therewith This is a method of stretching a screen plate, a screen frame for screen printing, or a screen for clean printing.

  In addition, the screen pressing tool includes a frame with a corner that is fitted inside the screen frame, a frame that is connected and fixed to a fitting groove provided on the upper surface of the screen frame, and a fitting that is provided on the upper surface of the screen frame. This is a method of stretching a screen printing screen as a rod-like object or plate-like object having rigidity to be fitted in the groove, or a rod-like object having L-shaped rigidity, and the screen latch is strong enough to fix the screen. The screen is fixed to the frame without applying tension to the screen, the screen is fixed to the frame where the corners of the frame are connected with a flexible material, and the screen is fixed to the frame with a structure in which the frame side expands and contracts , One with a screen fixed to a frame with a frame corner extending or contracting, one with a screen fixed to one with no frame corner connected, the screen with a frame A Zhang 設方 method of fixed screen printing screen in a frame having a soft surname.

  Further, in the screen printing screen, the screen printing screen is characterized in that the edge of each side of the screen is folded back to the upper surface or the lower surface and processed into a U shape, a V shape, or a U shape. In the method of stretching the screen, the end of each side of the screen is folded back, and the bag-like portion of the screen processed into a bag shape with both ends opened is provided with a slit in the entire length of the screen side, A hollow screen frame having an open end is arranged in the hollow portion, and then a bag or rod-like object having an appropriate thickness for the side length of the screen frame is inserted into the bag-shaped portion to hang around the screen frame side. Stop or insert a plate-like object with a screen side length and rotate it 90 degrees, and fix it to the screen frame, or connect the bag-like object and insert an elastic tube with an injection port, The gas or liquid injection to sequester the serial tube, a method for tensioning a screen printing screen, characterized in that to provide a printable tension to the screen.

  Further, in the screen printing screen, a position recognition sign is formed or fixed on the printed material and / or the screen, and this is recognized by the image recognition camera, and the image displacement or distortion is detected. This is a screen printing screen that corrects image misalignment and distortion by adjusting the expansion and contraction of the screen frame, the movement of the horizontal moving tool, or the pressing of the screen pressing tool based on the detection result, and is a sheet-like sheet that is mirror-reflected. A simple plane mirror manufacturing method in which an object is stretched, which is a painting canvas or a promotional sheet in which a painting canvas or a promotional sheet is stretched around a frame.

  Further, in the screen printing screen, the painting canvas or the advertising sheet, the screen printing screen, the painting canvas or the advertising sheet is processed into a bag shape having both ends opened. Screen, painting canvas or promotional sheet.

  In the present invention, a means for joining, joining, superimposing, and superposing and bonding screens is used. Except for special screens used for special printing, ordinary printing screens are: Tetron mesh (紗) is 180 mesh (wire diameter is 50 microns), stainless steel mesh (紗) is 500 mesh (wire diameter is 18 microns), sheet screen is 100 micron thick polyester sheet, stainless steel sheet is thick A very thin material of 150 microns is used.

  Therefore, even if a plurality of sheets are stacked and bonded together, there is no practical problem at all, and desired flexibility and tension can be obtained.

  In the embodiment of the present invention, a screen printing screen is described. However, the screen stretching method according to the present invention is to stretch a mesh or a sheet in a frame with a certain tension. Can be applied in every case.

  For example, when producing panels for exhibition (posters, advertisements, slogans, paintings, etc.), certain of these are made using metal plates, aluminum foil, synthetic resin plates, synthetic resin sheets, paper, cloth, leather, etc. as a frame. The present invention can also be widely applied to the case where the tension is applied in a state where the tension is applied.

  Use of the stretching method of the present invention is also effective when a painting campus is stretched on a frame.

  That is, the end of the cloth is folded into a bag shape in a hollow frame provided with a slit, the bag-shaped part is arranged in the hollow of the frame, and a stick-like object is inserted into the bag-like part, so that the cloth can be easily attached to the frame. Can be stretched. Furthermore, the tension can be adjusted by the thickness of the rod-shaped object.

  Further, by using the screen frame and the screen stretching method of the present invention, it is possible to create a painting canvas, a simple mirror, and an advertisement / display panel.

  Furthermore, if the stretching method of the present invention is used, even if there is distortion in the image, it can be adjusted to eliminate the distortion, and further, the image can be reduced or enlarged. In addition, the screen can be stretched uniformly with a strong tension. Further, if a mirror-finished screen is stretched, an extremely lightweight mirror or reflector can be obtained simply and inexpensively, and can be used for various purposes, or may be simply stretched on a frame. It can be used as an alternative to mirrors for interior decoration and outdoor decoration. Even if it is placed overhead, it is safe with no risk of falling. Also, when no longer needed, unlike glass and other mirrors, it can be easily disposed of and is convenient.

  In addition, the present invention is a screen for precision printing and has a new structure that can obtain desired strong tension and stretchability. The screen can be stretched with a strong tension on the screen frame, and the stretchability and elasticity limit of the screen can be adjusted. As a result, in printing, the restoration property after image expansion is good and the image is quickly returned to the correct position before expansion, so that precise printing can be repeated. The object is to obtain a screen printing screen having a new structure capable of precision printing. Another object of the present invention is to produce a large screen and the screen at a low cost by jointly using pieces of mesh or sheet screens conventionally discarded as cutting waste.

  According to the present invention, it is possible to provide a screen having a structure different from the conventional one in which the tension and the elastic limit can be freely adjusted in accordance with various printing purposes. In other words, in consideration of the properties of the substrate to be printed, printing accuracy, etc., this requirement can be met by combining screen materials or changing the screen configuration in various ways.

  In addition, since a variety of techniques are used to form a conventional screen-printed print image, any screen material can be processed to form a target image. There is no problem even if it is adopted for the screen, and it is effective.

  According to the configuration of the present invention, first, a material suitable for image formation is selected for printing purposes, an image is formed, or an image formation scheduled portion is formed, and then the printing accuracy is taken into consideration and the screen is held. The screen structure only needs to be determined in consideration of various factors such as the degree of tension, elasticity and elasticity, and a wider selection of image formation and printing conditions is possible compared to conventional screens with a simple structure. The degree of freedom in screen creation increases.

  In general, in screen printing, a screen on which an image is formed is placed slightly floating (several millimeters) from an object to be printed in order to improve ink breakage. Then, ink is applied onto the screen, and the screen is pressed with a printing spatula called a squeegee, and the portion of the ink on which the image is formed is pressed against the substrate to be printed (floating printing). By strengthening the floating printing and tension to increase the repulsive force, the screen can be quickly separated from the substrate after printing, so-called plate separation can be improved, and printing bleeding can be prevented.

  Since screen printing adopts the above-mentioned method, the screen is required to have a certain degree of elasticity. At the same time, since the screen forms an image, if the screen is excessively stretchable, the printing will be distorted due to the expansion and contraction of the screen during printing, and the position of the image will shift, resulting in poor printing accuracy. There was a risk of becoming. Therefore, the screen is required to have a certain degree of hardness and an accurate restoring property as well as stretchability. In addition, if the repulsive force is strong at the time of floating printing, the space for floating is small, so that the screen does not stretch easily and the printing accuracy is improved.

  The conventional technique has a problem that a screen made only of a polyester mesh has elasticity but is not durable and printing accuracy is deteriorated. Further, the stainless steel mesh alone has good durability and printing accuracy, but has a drawback that the image is distorted due to poor stretchability and a stretched image due to long-term use. In addition, since the stainless mesh is more expensive than the polyester mesh, there is a problem in that the printing cost is greatly increased.

  Conventionally, screen plates for screen printing have been manufactured using a metal mesh that is slightly larger than the planned printing portion and less stretchable, and has a structure in which a mesh with high stretchability is arranged around the periphery. However, in the case of precision printing such as circuit formation printing of electronic parts, this screen structure is too stretchable, image shift occurs, and it is possible to cope with what requires high printing accuracy. was difficult.

  Therefore, there has been a demand for a screen with less image movement and suitable for precision printing.

  The screen for precision printing is required to have a trade-off property with a very delicate balance that a certain degree of flexibility, stretchability, and an image does not move or only slightly moves. The screen is desired to have a certain degree of flexibility as a whole screen and to prevent the image from moving. For this purpose, it was necessary to stretch the entire screen with a stronger tension than the current state, to have a stretch restriction point, and to have an accurate restoring property.

  When printing that requires high accuracy, the mesh is stretched strongly and stretched to the frame to prevent the image from moving due to expansion and contraction of the screen. However, the mesh itself is thin and thin, and the mesh is easily broken. However, the elastic limit is low or the yield point is reached, and there is a drawback that it cannot be stretched more than a certain limit. In the above-described conventional configuration, only a screen plate having a relatively soft stretchability can be obtained due to the structure.

  Usually, a screen having an image or image formation planned portion is a metal wire woven fabric such as thin stainless steel having a diameter of several microns, other metal plate processed into a mesh shape, or a mesh formed by a metal plating image Was used. Therefore, it is economical to use an expensive material only for the image forming unit and to make a screen with a relatively cheap material in other parts, and this method can greatly reduce the production cost of the screen or screen plate. Was taken.

  Since screen printing performs floating printing as described above, a force for stretching the screen downward is applied. In order to maintain the durability of the screen in addition to the precision of printing, the screen itself is springy, so it is necessary to raise its elastic limit and yield point.

  However, the elasticity, resilience, and repulsion of the screen are due to the convergence of many factors such as the difference in the screen material used, the size and shape of the screen frame, the number of bonding points, and the difference in the adhesive used. This is a field that is difficult to quantify numerically.

  Therefore, for the above-mentioned purpose, the above-mentioned purpose is achieved by increasing or decreasing the number of screens to be screened by using a combination of screens instead of a simple screen composed of a single screen. Is.

  Moreover, reduction of the production cost of the screen of this invention was implement | achieved with the following method.

Many screens used in the image forming section are expensive, including a metal mesh.
Conventionally, after making a screen, the size is insufficient to make one screen as a piece, and various mesh pieces that have been discarded as half-finished pieces are joined together to create a laminated screen. is there. Even if it is a piece of screen material with different types of materials and different stretchability, it is assumed that the screen was made by pasting together various types of materials and overlapping the first and second screens. Was found not to have a non-uniform screen with biased tension, but to obtain a preferred screen tension averaged over the entire screen.

  Therefore, any type of screen material fragment or size can be used as a screen material without waste, and costs can be reduced.

  Further, in the first screen, portions other than the image forming unit may be patchwork obtained by connecting pieces of the same type of screen material or by combining pieces of different types of material and connecting them.

  In the second screen, pieces of the same type of screen material are joined together, or pieces of different kinds of screen material are mixed to form a patchwork shape, and the screen is constructed by joining the first screen.

  Therefore, in the configuration of the patchwork, it is possible to adopt a method of reducing the cost by replacing the parts that require expensive screen material with a minimum size and replacing the unnecessary parts with other cheap materials.

Next, a method for bonding these screens will be described.
When a plurality of screens are laminated and pasted together, the place where they are laminated together has poor elasticity limit, and the place where there is little overlap is in a state where elasticity limit is large.

  In the present invention, screens having various structures can be obtained by combining the screens. Because of this difference in configuration, a subtle difference in elasticity arises, so it is necessary to use them depending on the printing object. By properly using such a combination of various configurations, it is possible to obtain a screen capable of precision printing with various configurations. Therefore, it is necessary to select and use a combination in consideration of the size of the printing material and the required printing accuracy.

  In addition, when an image is formed on a sheet, the English letter “O” and the Japanese letter “mouth” will drop out, so it is necessary to provide a support part to prevent this from occurring. In addition, the design of the printing is not preferable from the aesthetics because of functional limitations. Therefore, in the configuration in which an image is formed on the sheet and the mesh screen is superimposed on the sheet, the mesh serves as a support portion, so there is no need to provide a character support portion on the sheet, and correct characters are obtained. In addition, there is no functional restriction in the design of printing, and an effect of enabling printing of characters that are aesthetically pleasing is obtained.

  Also, in the case of printing with thick ink, if a large number of screens are stacked and the screen itself is thickened, the amount of ink stored in the image increases. In the screen printing, an effect is obtained in which the ink held in the image is transferred to the substrate to be printed and the ink is energized. In the present invention, the screens are stacked and pasted to give a necessary thickness at a desired portion of the image portion, and printing with the ink raised can be performed.

  In addition, when the screens are stacked and bonded, especially when the stainless mesh and Tetron mesh are stacked and bonded together, the stainless steel mesh is a metal against the screen extension when printing force is applied with the squeegee, so the limit of the extension is It functions as a point or a resistance point, and the Tetron mesh acts as a reducing force upon reduction, and exerts an accurate return force. Therefore, the characteristics of both can be combined to resist the excessive expansion of the screen and contribute to a quick return, so that it is possible to provide the screen with favorable characteristics. When the screen has the above-mentioned preferable characteristics, the image portion or the support portion of the screen can stably maintain the set position even when printing is repeatedly performed, and the printing accuracy can be maintained and improved.

  In the following embodiments of the present invention, the Tetron mesh (紗) is 180 mesh (wire diameter is 50 microns) (manufactured by NBC). The stainless mesh (紗) is 500 mesh (wire diameter is 18 microns) (manufactured by Osaka Mesh Co., Ltd.). As the sheet screen, a polyester sheet (manufactured by Toray Industries, Inc.) having a thickness of 100 microns was used. The stainless steel sheet is 150 microns thick (manufactured by Nippon Steel).

  When a screen needs to be stretched on the screen frame 2, the frame to be used is 550 mm × 650 mm and the pipe diameter is 30 mm × 40 mm.

  Another object of the invention is to suppress the occurrence of distortion and misalignment of intersections of metal lines of a mesh of a metal mesh screen constituting an image forming portion as much as possible.

  This screen metal mesh has a structure in which fine metal wires are woven like a normal woven mesh, so there are innumerable intersections of metal wires that make up the mesh, and it is stretched with strong tension. When printing on a screen with a squeegee and pressing vertically downward, this metal line intersection is distorted and misaligned, which is one of the causes of reduced printing accuracy.

  Therefore, if the occurrence of distortion and misalignment of the mesh is minimized, the occurrence of distortion and misalignment in the image is reduced, and it is possible to greatly contribute to the improvement of printing accuracy.

  In the present invention, a plating layer is formed or welded by plating at the intersection of meshes, metal wires or synthetic resin wires, and the mirror-like metal wire surface of the metal wire including the intersection of the metal wires The object is to cover and fix and minimize the occurrence of misalignment during printing.

  Needless to say, it is possible to use a metal-plated mesh for a combination of screen materials of different types combined or joined together to form a combination.

  By plating the entire metal screen or fixing the synthetic resin wires, the plating covers and fixes the intersections of the wires, and the intersections of the synthetic resin wires are fixed, causing distortion and misalignment of the screen during printing. Can be prevented.

  The present invention can be used for printing such as high-precision printing such as printing mainly for preventing image distortion and misalignment. Thereby, the effect that the dimensional accuracy of printing improves is acquired.

  In addition, the metal mesh used for the material of the screen-printed image forming part has a substantially mirror-like surface because the surface of the line is processed extremely smoothly regardless of the thickness of the line due to the line processing of the material. Reflects light well.

  This material is mainly made of stainless steel, but stainless steel alloy, copper alloy, iron alloy, nickel alloy, synthetic resin, etc. are used, but when the material is metal, the wire surface has a smooth mirror surface. There is no change in being.

  The screen-printed image is formed by applying a photosensitizer with light to the image forming unit, exposing the image with optical means, exposing the photosensitizer, photocuring the photosensitizer, and fixing the image. An unexposed photosensitive agent that has not been exposed is washed and removed to form an image.

When this photosensitive agent is exposed to light, it is irradiated with intense light. This irradiation light is irregularly reflected on the mirror-like line surface, the light is reflected at an unscheduled place, is irregularly reflected, and the light is sent to places other than the irradiated part, and a good image is obtained. Absent.
A sharp image for printing cannot be obtained from an image formed in the state of irregular reflection.

  Therefore, if the surface of the metal wire mesh is plated and coated so as not to be reflected, it is possible to prevent blurring of the image during image formation due to irregular reflection. In order to prevent irregular reflection, black plating such as black chrome plating or black nickel is applied to the mesh for image formation.

  Further, in addition to the black chrome plating, the surface of the mirror-like metal wire may be covered with a plating layer that does not perform irregular reflection so that irregular reflection does not occur.

  By adopting the above-mentioned means, it is possible to prevent light from being concentrated and sent only to the target location during image formation, and to prevent irregular reflection at other locations, thereby preventing image blurring during image formation. As a result, a sharp image is obtained, and as a result, printing in a good state is obtained.

  When an ultraviolet curable resin is used as a light source for image formation, it is also effective to perform plating of a material color that does not absorb ultraviolet rays.

  In the next invention, a metal mesh plated with metal in advance is used in the image forming portion of the screen printing screen.

  In the screen printing, a metal mesh screen is used for the image forming unit. In the present invention, the metal mesh is subjected to metal plating in advance. Examples of plating include metal plating, nickel plating, and synthetic resin plating.

  In the screen of metal mesh subjected to metal plating for forming this image, the intersection of the metal lines of the mesh is fixed by plating, and the occurrence of mesh distortion can be suppressed during printing.

  According to another invention, a plated metal mesh is arranged in an image forming portion, a predetermined image is formed on the image forming portion, and then plating of the metal mesh portion exposed in the image portion by image formation is clearly printed. In order to obtain the above, it is removed by dissolving with an acid or alkali solution.

  A photographic photosensitive agent is applied to a metal mesh disposed in the image forming portion, and light is irradiated to form a image.

  This image formation separates the exposed part of the mesh and the part covered with the photocured photosensitizer, but the metal line intersection is fixed by plating in the part covered with the photosensitizer. In this state, image distortion and misalignment are suppressed during printing, and a clear image can be obtained from the image portion from which plating has been removed.

  At the time of printing, the object is to obtain a clear printed matter by removing the plating layer where the mesh metal wire constituting the image portion is exposed.

  In screen printing using a mesh, a finer image is obtained as the metal wire constituting the mesh is thinner. Therefore, a mesh made of a thin metal wire can be obtained by removing the plating. Therefore, after forming the image by plating the mesh and removing the exposed plating layer in the image area, the two purposes of obtaining a clear image while suppressing the distortion and misalignment of the image are achieved. And a clear print is obtained.

  In still another invention, the screen frame is temporarily stretched and fixed, an image is formed on the screen frame, and then the screen tension is finely adjusted to remove distortion and misalignment of the screen image and improve printing accuracy. It is for the purpose.

  The screen may be one in which the screen is directly bonded and fixed to the screen frame, or one in which the screen is stretched on the screen frame using a screen latch.

  Currently, screen printing is used for various purposes, and it is well known that high printing accuracy is required particularly when an electronic circuit is formed by printing.

  Even after the screen is stretched and fixed to the screen frame and an image is formed on the screen frame, there are many cases where it is desired to finely adjust the screen.

  If the screen can be stretched and fixed to form an image and then fine adjustment can be performed again, the printing accuracy can be dramatically improved.

  Therefore, in the present invention, a metal tension adjustment bar is inserted into a hollow portion of a hollow screen frame having one end opened, and a female screw hole provided in the tension adjustment bar is formed on the inside, outside or inside of the side surface of the frame, and The tension adjusting screw holes provided on both outsides are connected and screwed together, and the tension adjusting screw is moved in the horizontal direction toward the front side or the other side, the frame side is bent, the screen is moved, and fixed once. Thus, it is possible to finely adjust the screen image after the image is formed by stretching.

  With the tension adjusting screw from the outside of the frame, the screen tension can be finely adjusted by moving the tension adjusting screw back and forth, and as a result, the distortion and displacement of the printed image can be adjusted.

  Fix the screen frame by combining and fixing the aluminum or other metal screen frame sides of a hollow cylinder with a rectangular cutting diameter so that only one end of each frame side becomes the opening of the tube. Form.

  Moreover, even if the shape of the frame side is a frame side whose cross-sectional shape is concave or L-shaped, the same effect can be obtained.

  Screw holes for screwing the tension adjusting screws are provided at appropriate intervals on the outside, inside, or both sides of the screen frame. The tension adjusting bars of the full length of the hollow portion of the opened frame side provided with female screws at positions corresponding to the screw holes are inserted into the respective openings of the screen frame (four in total).

  The tension adjusting bar may be made of metal and has a square cross-sectional shape, and is bent by the force of a screw. Therefore, the tension adjusting bar should be as hard as possible (hardened, etc.).

  Both ends of the inserted tension adjusting bar are fixed to the frame side by a fixing screw perpendicularly from the upper surface of the frame side, and also serve as a fixed fulcrum when the frame side at the middle part of both fixing points is slightly curved.

  Next, the male screw communicates with the screw hole provided on the frame side and the female screw provided on the tension adjusting bar, and is engaged.

  A method of finely adjusting the tension of the screen after the screen is stretched and formed on the screen frame is performed as follows.

  Each tension adjusting screw is adjusted independently, and the frame side is pulled forward by the adjusting screw or pushed out to the opposite side. As a result, the tension of the screen can be reduced by moving the frame side slightly toward the front or outside. Can be adjusted.

  The male screw may be rotated by being driven by an external servo motor.

  In addition, every time one sheet is printed using the image alignment mark proposed in the present invention, the image alignment mark allows the computer to recognize whether the image of the printed material and the screen plate are misaligned. It is also possible to calculate the distance to be moved by driving and make necessary adjustments.

  After the screen is stretched and fixed to the screen frame, the distortion and displacement of the image after the image is formed are bent or bent by moving the tension adjustment screw in the horizontal direction from the inside or outside of the screen frame side and from the inside and outside. To make fine adjustments possible.

  The tension adjusting screw may be a normal screw having a head without a head, a so-called worm screw or a head having a groove for rotation at the top.

  Further, as in the embodiment, the tension adjusting screw can be provided only on one of the inner side or the outer side of the screen frame or on both sides. In addition, when the configuration is adjusted with screws from both sides of the frame side, the position adjusted by the two screws is fixed at a position opposed by the two screws and is in a so-called double-locked state. Since the finely adjusted position hardly moves during printing, a screen printing screen suitable for precision printing can be obtained.

  It should be noted that the screen frame is bent in order to make a slight fine adjustment, so that the screen frame is not destroyed.

  When the screen is extended using the screen latch, the fitting groove of the latch portion of the screen latch provided on the upper surface of the screen frame when the screen latch is detached. A detachable gap for facilitating the detachment of the screen latch is provided at the bottom of the outer side of the frame. When attaching and detaching the screen latch, after reducing the side length of the screen frame to a slightly shorter length, if one side of the latch is pushed from above into the gap using this gap, the other of the screen latch Since the end portion is lifted upward, it is easy to attach and detach the screen latch.

  The shape of the gap is not particularly limited as long as one side of the latching tool can be pushed into the gap from above.

  In another aspect of the present invention, an elastic buffer for hooking the screen latch is disposed inside the screen frame side of the fitting groove of the latch of the screen latch of the screen frame.

  Natural rubber, synthetic rubber, sponge, elastic synthetic resin, or the like is used as the material of the elastic body shock absorber, and the elastic body shock absorber is arranged inside the frame side of the fitting hole on the upper side of the frame side.

  A screen fixed to the screen latch was stretched on the screen frame.

  The shape of the elastic body shock absorber may be a length that matches the length of each side, a ring shape, or a packing shape that continuously connects the entire lengths of the fitting grooves.

  By arranging this elastic body shock absorber, the tension of the stretched screen is not biased by the buffering action of the elastic body shock absorber, and an average tension can be obtained, thereby reducing the occurrence of distortion and misalignment of the image. is there.

  According to the present invention, in addition to the elastic body shock absorber, a metal fitting for hooking the screen hook is disposed inside the frame of the fitting groove of the hook of the screen hook of the screen frame. It is a thing.

  The metal fittings only need to be made of metal, and four pieces having the length of the fitting hole on one side of the frame side were used.

  A screen fixed to the screen hook was stretched on the screen frame.

  By arranging both the elastic shock absorber and the metal pad, the tension of the stretched screen is not biased by the buffer action of both, and the average tension is obtained on each side, and image distortion and displacement occur. Has the effect of reducing.

[Example 1]
A first embodiment will be described with reference to FIGS.
The following is a proposal for a screen printing screen having a new structure.

  FIG. 1 shows a state in which the screen is stretched on the screen frame. In the present invention, the screen is not stretched on the screen frame. This can be sold as a product as it is.

  The purchaser of the screen in this mode may use a screen tensioning machine / traction device or the like to stretch and fix the screen to the screen frame, and then form an image.

  A conventional screen that is previously stretched on a frame is inconvenient because it requires a great deal of labor and cost for handling, transportation, and storage because the frame is sturdy and heavy.

  If there is something that has been pre-processed and only fixed to the frame, it is convenient and economical. The following screen description is in this form.

FIG. 1 is a conceptual diagram schematically showing the relationship between a first screen 3 and a second screen 4 in which a screen printing screen is stretched on a screen frame 2. The screen printing screen plate 1 is a diagram when the screen frame 2 is stretched in a tensioned state.

An embodiment will be described with reference to FIG.

  A first screen 3 having an image or image formation scheduled portion and a second screen 4 not having an image or image formation scheduled portion are laminated to form a single screen.

  1A shows the case where the first screen 3 is in the center of the screen, FIG. 1C shows the case where the first screen is in the upper left, and FIG. 1E shows the first screen. 3, 3 a, a second screen 4, 4 a and a case where a plurality of sheets are joined together are schematically shown. If the number of sheets to be joined is increased, a patchwork-like screen can be formed.

  I. The first screen 3 having an image or image formation scheduled portion and the second screen 4 having no image formation planned portion are joined together to form one screen, which is the size of the outer frame of the screen frame 2 In the screen printing screen, the first screen 3 is one piece of mesh, or a plurality of pieces are joined together to form a patchwork, or a plurality of meshes and sheets are joined together to form a patchwork. Or, a plurality of these may be laminated and bonded together, and the second screen 4 may be patchworked by joining a plurality of meshes or sheets, or a plurality of meshes or sheets may be joined together. A screen printing screen characterized in that it has a patchwork shape or a plurality of these laminated and bonded together

  As described above, the structure of the screen according to the present invention includes a combination of many structures.

  The screen printing screen according to the present invention includes a first screen 3 having an image or image formation scheduled portion and a second screen 4 having no image or image formation scheduled portion, which are joined together. And the size of the screen frame 2 is the size of the outside method.

  Accordingly, the first screen 3 having the image or the image formation scheduled portion can be changed according to the purpose of printing, in addition to the case where the first screen 3 is located in the central portion of the screen and the other place.

  Adhesion between the first screen and the second screen uses a photosensitive resin, an instantaneous adhesive rubber-based adhesive, or an epoxy resin-based adhesive. It is not limited to. Depending on the material, welding by heat may be used, but it is necessary to use properly depending on the nature of the material to be fixed.

  The first screen 3 is a patchwork shape in which the first screen 3 is one piece of mesh or a plurality of pieces are joined together to form a patchwork shape, or a plurality of meshes and sheets are joined together to form a patchwork shape, Alternatively, a plurality of these are stacked and bonded together.

  Further, the second screen 4 can be patchworked by joining a plurality of meshes or sheets, or patchworked by combining and joining a plurality of meshes or sheets, or a plurality of these can be pasted together. It is a combination. According to the configuration of the present invention, since there are a large number of bonding portions or a plurality of layers are laminated and bonded together, the elastic limit is high, the strength is strong against pulling, and the screen is stretched with high tension. This makes it possible to suppress the occurrence of image position deviation and to obtain a screen capable of precise printing. Further, this can be stretched on the screen frame 2 to form a screen plate 1 for screen printing.

  The screen printing screen of the present invention is a screen printing screen that is not stretched on the screen frame 2. In the case of a mesh screen, the screen is coated with a photosensitive resin, and unexposed ones are sold as products. You can also The purchaser can stretch the image on the screen frame 2 to form an image on the image formation scheduled portion and use it for screen printing. Moreover, what fixed the screen to the screen latching tool 22 may be used.

  The screen plate 1 using a screen that is not bonded and fixed to the screen frame 2 is drawn to the screen frame by pulling the four sides of the screen with an appropriate strength with a traction machine (not shown). It can also be.

  In the manufacturing method of the bonded screen, the first screen 3 and the second screen 4 are first bonded. When this method cannot be adopted, another creation method is adopted.

  Since the first screen 3 and the second screen 4 are bonded together, the screen can be strongly stretched to the screen frame 2, so that a screen plate having high tension (a screen having a high repulsive force). 1 is obtained, and a screen satisfying the requirements for both the stretchability and the fixing property of the screen required for precision printing is obtained.

  The bonding location of the second screen 4 may be one on the upper surface of the first screen 3, one on the lower surface, or one on each of the upper or lower surface. Further, the number of the second screens 4 to be bonded may be bonded to the first screen 3 at the above-mentioned place by bonding one or more sheets.

  The larger the number of bonded second screens 4 is, the higher the elastic limit of the screen is, and a screen having a strong repulsive force can be obtained.

  The present invention makes it possible to obtain a screen with improved printing accuracy by using a cut piece of these screen materials that has not been used and discarded, and to reduce the printing cost. It is to make.

  Further, a patchwork shape obtained by mixing and joining pieces of mesh and sheet screens is laminated and laminated.

  Conventionally, a piece of a screen material such as a metal mesh that is generated in the process of creating a screen cannot be used to form a single mesh screen as it is. In particular, the metal mesh used in the image forming section for precision printing is a very expensive metal mesh made of fine stainless steel metal wires in micron units (the difference between the highest and lowest price of a metal mesh). There is a difference of about 200 times), and cutting waste is generated and wasteful, resulting in high cost.

  Conventionally, the size of the first screen 3 or the second screen 4 is limited by connecting pieces of various screens, which are insufficient in size to make a single screen and discarded without being used as cutting waste. By forming a patchwork in which meshes or sheets of different sizes are joined or mixed, and the second screen 4 is laminated and bonded to the first mesh, the tensile strength and elasticity of the screen according to the printing purpose It is possible to adjust the fine balance of the properties, to obtain a screen having tension and elasticity suitable for printing purposes, and to produce a large screen at low cost.

  Furthermore, if the screen is joined in a patchwork shape, the jointed portion will be doubled if a fixing method that does not easily break the jointed portion is taken. To improve.

There are also the following combinations of screens configured in the form of patchwork.
(1) Consists of mesh fragments.
(2) Consists of sheet fragments.
(3) A mixture of mesh and sheet fragments.

  In addition, in the conventional screen, there is a problem that the joint portion between the metal mesh and the resin mesh is easily peeled off, but with the screen configuration of the present invention, the metal mesh is sandwiched from both sides by a plurality of resin meshes. Since the structure of bonding is also possible, a double bonding area can be obtained, the bonding strength can be doubled, and a large screen strength can be obtained.

Furthermore, there is a possibility that the screens that have been joined or bonded have a step and the squeegee may be caught at the seam during printing and the seam may peel off or the squeegee may be damaged. The above-mentioned problems could be solved at the same time by proposing a method for bonding or fixing a certain portion.
Accordingly, a screen having a new structure that has not been seen before can be obtained.

Next, an example having a configuration different from that of I will be described with reference to FIG.
II This embodiment has the same basic structure as the invention of I, but the first and second screens are a combination of mesh and sheet, a patchwork mesh and sheet are combined and laminated The number of sheets is different.

  That is, in the basic structure of the first embodiment, the first screen is one sheet, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are joined together to form a patchwork. Or a plurality of these layers and bonded together, and the second screen is patchworked by joining a plurality of meshes or sheets, or a patchwork by combining a plurality of meshes and sheets. The screen printing screen is characterized in that it is in the form of a plurality of meshes and sheets laminated and bonded together.

  This configuration can be selected according to the screen material that has been procured and the purpose of printing. The effect is slightly different depending on the configuration, but is almost the same as I.

  By using expensive sheets such as additive metal masks (by electroforming) only at necessary places, and joining other places with inexpensive sheets, the production cost of the screen can be kept low. By changing the thickness of the sheet, the amount of ink transferred to the substrate can be adjusted. Multiple printing effects can be performed with one plate.

An example of a different configuration will be described with reference to FIG.
III This embodiment has the same basic structure as the invention of I, but the first and second screens are a combination of mesh and sheet, and a combination of mesh and sheet is made into a patchwork. The number is different.

  In the basic configuration of I, the first screen 3 is patchworked by joining a plurality of meshes or sheets, or patchworked by combining a plurality of meshes and sheets, or these It is assumed that a plurality of sheets are laminated and bonded together, and the second screen 4 is a mesh or sheet, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are mixed and joined together. A screen printing screen characterized in that it has a patchwork shape, or a plurality of these layers laminated and bonded together.

  This configuration can be selected according to the screen material that has been procured and the purpose of printing. The effect is almost the same as I, although there are subtle differences.

  Even if the amount of ink transferred and applied is the same, the mesh is limited in size for the passage of ink particles due to the size of the mesh, and the sheet has no restriction on the passage of ink particles. Using this difference in properties, different printing effects can be obtained with one plate.

  Even in the combination of meshes, the amount of ink transferred and applied can be changed, or the mesh angle can be changed to match the pattern expression method.

An example of a different configuration will be described with reference to FIG.
IV In this embodiment, the first screen 3 is further made into one piece of mesh, or a plurality of pieces are joined together to form a patchwork, or a plurality of meshes and sheets are joined together to form a patchwork. Alternatively, a plurality of these may be stacked and bonded together, and the second screen 4 may be a mesh or sheet, or a plurality of sheets may be joined together to form a patchwork, or a plurality of meshes and sheets may be mixed. And patched together, or a plurality of meshes laminated and bonded together, and further, the entire upper surface, the entire lower surface, or the entire upper and lower surfaces of the second screen, or a part of the upper and lower surfaces, It is characterized in that it is arranged as one piece of the second mesh or a plurality of pieces that are stuck together or overlapped and fixed to the second screen. It is a screen printing screen that.

  For the purpose of reinforcing the screen and adjusting the flexibility, one or more of the second screen is provided on the entire lower surface, the entire upper and lower surfaces, the upper surface and a part of the lower surface of the second screen having no image or image formation scheduled portion. A sheet is placed at the abutment, or these are stacked and fixed to the second screen. It is possible to make fine adjustments of the elasticity and elasticity of the screen by attaching the required number of sheets to the required location, such as placing it on the abutment.

An example of a different configuration will be described with reference to FIG.
V This example is for the purpose of adjusting the stretchability and strength of the screen by laminating the screen on the screen having the above-mentioned structure II and further on the second screen.

  In the basic structure of the first embodiment, the first screen 3 is one sheet, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are joined together to form a patchwork. Or a plurality of these layers and bonded together, and the second screen 4 is a mesh or sheet, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are mixed. And patched together, or a plurality of sheets stacked and bonded together, and further on the entire upper surface, the entire lower surface, or both the upper and lower surfaces of the second screen, or a part of the upper and lower surfaces, One of the second sheets or a plurality of the second sheets are arranged to abut or overlap each other and fixed to the second screen. It is lean printing screen.

  Since the screen is extremely thin, even if these are further added to the plurality of screens of the embodiment of I and the screens are bonded together, the elasticity and stretchability are not impaired, and for the purpose of adjusting the elasticity and stretchability, A screen with additional repulsion can be obtained.

An example of a different configuration will be described with reference to FIG.
VI In this embodiment, a first screen having an image or image formation scheduled portion and a second screen having no image or image formation scheduled portion and having an opening of the image or image formation scheduled portion are overlapped and laminated. The size of the screen frame is a screen printing screen configured as one screen, and the first screen is one mesh or a plurality of sheets are overlapped to have an inner method or an outer method. One of the meshes or a plurality of the two screens is overlapped to have a size of an inner method or an outer method, and either one or both of the combination of the first screen and the second screen is outside the screen frame. It is a screen printing screen characterized by being combined and bonded so as to have a legal size.

  This is a screen structure that can be obtained by adjusting the subtle elasticity and elasticity of the screen.

  The first screen 3 and the second screen 4 are bonded together in the following combinations.

  The first screen 3 having an image or image formation scheduled portion and the second screen having no image or image formation scheduled portion and having an opening of the image or image formation scheduled are overlapped and bonded to obtain the size of the screen frame. In a screen printing screen configured as one screen, the first screen is made to have a size of an inner method or an outer method by superimposing one or a plurality of meshes or sheets, and the second screen is One or both of the combination of the first screen and the second screen 4 is a method outside the frame of the screen. This is a screen printing screen characterized by being combined and bonded so as to have a size of.

  When the first screen and the second screen are bonded to each other, there are the following combinations.

  FIG. 2A shows a diagram in which the screen is stretched on the screen frame 2.

  In FIG. 2B, the first screen 3 has an outer size of the screen frame 2, and the second screen 4 has an outer size of the screen frame 2.

  FIG. 3A shows the first screen 3 having the inner size of the screen frame 2 and the second screen 4 having the outer size of the screen frame 2.

  FIG. 3B shows the first screen 3 having a size up to an intermediate position of the width of the screen frame 2 of the screen frame 2 and the second screen 4 having a size outside the screen frame 2.

  FIG. 3C shows the first screen 3 having an outer size of the screen frame 2 and the second screen 4 having an inner size of the screen frame 2.

  FIG. 3D shows a case where the first screen 3 has an outer size of the screen frame 2 and the second screen 4 has a size up to an intermediate position of the width of the screen frame 2.

  Each of the screens having different configurations has a configuration in which two meshes or sheets, and the meshes and sheets are laminated and bonded to each other than the image formation scheduled portion of the screen. Due to the difference in the structure of the screen, the elasticity and elasticity are different, and the screen can be adjusted and selected according to the printing purpose.

  Among the above-mentioned configurations, when the screen frame 2 having electrical conductivity is used and a metal screen is used for the first screen 3 or the second screen 4, the metal screen is in contact with the screen frame 2. In the case of printing, the screen is squeezed downward and rubbed with the squeegee, so that static electricity is generated. However, when the metal screen is in contact with the screen frame 2, the generated static electricity passes through the metal screen and the screen frame 2 Then, it flows from the screen frame 2 to the printing machine, and further acts as a ground that discharges static electricity from the printing machine to the outside. Therefore, it is possible to prevent a spark fire accident due to static electricity, to prevent dust from being adsorbed by the static screen. There are effects such as improving the separation of the screen from the substrate.

  When the screen of this configuration is stretched on the screen frame 2, the screen at the place fixed to the screen frame 2 is one sheet or one and a half sheets regardless of the state that the two screen surfaces are bonded together. Or it becomes the structure which laminated | stacked and bonded two sheets. The screen influences the elasticity of the entire screen depending on the state of the screen fixed to the screen frame 2.

An example of a different configuration will be described with reference to FIG.
VII In this embodiment, in the configuration of the VI, the first screen 3 is one sheet or a plurality of sheets are overlapped to have an inner method or an outer method, and the second screen 4 is One or both of a combination of the first screen 3 and the second screen 4 is used as one of the sheets, or a plurality of sheets are overlapped to obtain the size of the inner method or the outer method. This is a screen printing screen characterized by being combined and bonded together.

  When the sheets are overlapped or partially overlapped, the amount of ink applied to the printed material can be adjusted, and the elastic limit can also be adjusted.

  The present invention also has the effect of adjusting the screen strength and the repulsive force in addition to the screen of the VI embodiment.

  The first screen 3 and the second screen 4 are each composed of a sheet in the basic configuration of the VI embodiment.

An example of a different configuration will be described with reference to FIG.
VIII In this embodiment, a first screen having an image or image formation scheduled portion and a second screen having no image or image formation planned portion are joined together to form one screen, which is outside the screen frame. In the screen printing screen having the size of the law, the first screen is one of meshes or sheets, or a plurality of sheets are joined together to form a patchwork, or a plurality of meshes and sheets are mixed and joined together A patchwork shape, or a plurality of these layers stacked and bonded together, and the second screen is a mesh or sheet, or a plurality of sheets are joined together to form a patchwork shape, or a plurality of meshes and sheets On a screen where the sheets are mixed and stitched together to form a patchwork, or a plurality of these stacked together , An image or the image forming portion to be provided with interspersed a plurality of locations, a screen printing screen, characterized in that it was the size of the external dimensions of the screen frame.

A plurality of images or image formation scheduled portions are scattered on the screen.
With this configuration, it is possible to improve the printing efficiency by printing many small printed materials or printed materials of different colors at a time on a large screen.
Therefore, a 2 m × 4 m large screen with five images on the screen was created.

[Example 2]
A second embodiment will be described with reference to FIG.
The following is a proposal for a screen printing screen having a new structure.

  A plurality of pieces 4c, 4d, 4e, and 4f of the second screen 4 are disposed on the upper surface of the second screen 4 that supports the first screen 3 having the image forming scheduled portion, and this is arranged at the lower part. It is the structure laminated | stacked on the 2nd screen.

  Since the screen is reinforced, the second screen is a laminate of two sheets, so that the screen can be stretched with a strong force and the movement of the image is reduced. It becomes possible to do.

  Furthermore, since the screen pieces 4c, 4d, 4e, and 4f used for reinforcing the second screen can be used even if they are so-called shredded pieces of the screen, there is an advantage that there is no waste during the production of the screen. Further, since it is arranged at the abutment, no step occurs at the abutment location (the screen pieces 4c, 4d, 4e, and 4f arranged at the abutment are in the state in which the adjacent screen pieces are in contact with each other. Since the structure does not have a paragraph or drop during printing (since they are not overlapped and joined together), the squeegee does not interfere with the movement and can be printed smoothly.

  Furthermore, the arrangement in the typical saddle shape shown in FIG. 4 is effective in preventing twisting and distortion of the entire screen.

[Example 3]
Example 3 will be described with reference to FIG.
The following is a proposal for a screen printing screen having a new structure.
Further, examples of screens having different configurations will be described.
This is a screen having a structure in which a number of images are formed on one screen.

  In the screen printing screen, a plurality of images or image formation scheduled portions are provided on the screen or the screen described in the first and second embodiments, and the image or image formation scheduled portions are provided on the ridge surrounding 5 or section. The screen printing screen is characterized in that the projected ribs 6 and 6a are provided on the upper surface of the screen.

  The image or image formation scheduled portions 3, 3a, 3b, 3c, and 3d are provided on the screen so as to be scattered on the screen, and the projecting partition walls 5 that surround the image or image formation portion are provided. The rib partition walls 6 and 6a may be formed by raising an adhesive around the image or the image formation planned portion and solidifying it, or by forming a frame with another material and bonding it.

  Moreover, the rib partition 6 and 6a which divides the said image or image formation part are provided.

  The partition walls 6 and 6a are formed by raising and solidifying an adhesive at an intermediate position between an adjacent image or an image formation scheduled portion, or by forming a ridge with another material and bonding this onto the screen with an adhesive. It may be formed.

FIG. 5B is an end view of FF.
When printing in different colors on a large screen, the screen of this configuration has a rib partition or a fence surrounded by a ridge, so that the inks of different images are not mixed at the same time. Very effective for using different inks.

  When using a large screen in screen printing, there are many cases of 5 m × 2 m. In addition, even in the case of overprinting, even in a large size printed matter, the pattern is not always on the entire surface (in many cases it is unevenly distributed), and in particular in the case of multicolor printing, it is often skipped. Therefore, the cost of screen production can be greatly reduced by using the screen 3 having a high price only for the printed portion and using the screens 3a, 3b, 3c, and 3d having a low unit price for the other portions.

  Furthermore, if the type and nature of ink and the amount of ink transferred to the substrate to be printed are different, it is necessary to prepare separate plates. However, if a plate having this configuration is used, one plate is sufficient.

  If a large number of images 3, 3a, 3b, 3c, 3d, etc. are formed on a large screen and printed at a large number of places at once, the printing efficiency can be dramatically improved and the cost can be reduced.

  When a large screen is manufactured using one type or two types of small types, it is necessary to use a large amount of expensive meshes, which is very expensive. This large screen also has the disadvantage of increasing its elasticity as it grows larger.

  In addition, when the substrate is small, a small image or an image forming unit is formed on the screen. However, even a small image requires one screen, which is extremely uneconomical.

  If a plurality of images having the same contents or different contents or image forming portions are provided in the screen and printing is performed on the bonding screen, a large number of printing can be performed at a time, which is efficient. Depending on the size of the screen, an appropriate number of images or printing scheduled portions are provided. In a bonded screen, the screen is hard and less stretchable, so that even if a large number of images or image forming portions are provided in one screen, the printing accuracy can be reduced and a screen that can withstand practical use can be manufactured.

  In the case where a large number of images or image formation scheduled portions are provided, it is also effective to provide the surrounding ridges 5 and the partition protrusions 6 and 6a around each screen in order to prevent ink from mixing.

[Example 4]
Example 4 to be described below proposes a screen printing screen having a new structure.

  It is a screen used when printing on a substrate having protrusions or protrusions.

  The screen of the sheet or the screen at a position corresponding to the protrusion or protrusion of the substrate, the screen surface at the position corresponding to the protrusion or protrusion is penetrated through the protrusion or protrusion to make contact with the screen. An opening of a size that can be avoided is provided. It is preferable to provide a protrusion formed by raising an adhesive or the like around the opening provided in the screen, or to reinforce the periphery of the opening by attaching a sheet screen.

  Since an opening is provided on the screen surface, the screen may weaken and may be damaged by printing. For the purpose of strengthening this, a piece of a sheet slightly larger than the protrusions or convex portions on the upper surface, lower surface, or both upper and lower surfaces of the screen. May be arranged to form a screen.

If this screen is used, even a substrate with protrusions can be printed by a normal printing method, which is efficient.
In screen printing, if there are protrusions or protrusions on the substrate, it is difficult to print, and if it is forcibly printed, troubles such as breaking or damaging the screen or distorting the image occur.

  Therefore, the screen is used when printing on a printed material having protrusions or convex portions on the printed material, such as by printing an electronic circuit. Since the projection can be avoided by passing the projection through the opening provided on the screen, the other portions can be printed in a normal state.

  Furthermore, a partition can be provided around the opening to prevent ink leakage.

  Thereby, it becomes possible to print on a printing material having protrusions or protrusions on the printing material. In the case of a mesh screen, if an opening is provided in the mesh, the mesh will be frayed and torn.To prevent this, after placing a reinforcing material composed of a sheet at the location where the opening that penetrates the protrusion is provided, Even if an opening is provided at the location, there is no risk of the screen being torn. If necessary, the front and back surfaces of the screen may be reinforced. In order to prevent ink leakage from the opening, it is preferable to surround the opening with an adhesive formed in a bank shape.

  Further, in the case of a sheet screen or a patchwork combination sheet screen, it is only necessary to provide a cut in the sheet, but in the case where the screen itself is weak, it is preliminarily placed around the position where the opening is provided. A cut may be provided after applying the reinforcing material.

[Example 5]
Example 5 will be described with reference to FIG.
The following is a proposal for a screen printing screen having a new structure.

  In order to perform precise screen printing, precise printing cannot be obtained unless both the position of the screen and the position of the substrate are accurately controlled.

  The present invention is a means for accurately controlling the position of the screen for the purpose of realizing precise printing.

  A screen printing screen characterized in that printing alignment marks 7, 7a, 7b, 7c are provided on the upper surface of the screen or on the upper surface, lower surface, and upper and lower surfaces of Examples 1 to 5. is there.

  The alignment mark 7 is formed directly on the screen with an adhesive. Alternatively, it may be formed on a screen of sheets joined by patchwork.

  The alignment mark 7a is obtained by pasting a processed metal plate on a screen.

  The alignment mark 7b is obtained by processing a sheet screen and pasting it on the screen.

  The alignment mark 7c is provided on the screen and below (not shown).

  The screen is provided with a mark for printing alignment. Accurate positioning of the screen is indispensable for precise printing such as overprinting in electronic circuit printing. For this purpose, a printing alignment mark is provided on the screen.

  In precision printing, an apparatus is used that can accurately determine the position of a printing material and can accurately adjust the position of a screen plate with a CCD camera or the like (not shown) linked to a computer. This corresponds to a CCD camera installed on the upper or lower side of the screen and on both the upper and lower sides. It goes without saying that the alignment mark may be in any form as long as it can be recognized by the CCD camera. For example, a circle, a square, or a triangle. A method may be adopted in which a mark is separately made of a screen material and is attached to the screen. Usually, four signs are used, but two signs may be arranged on a diagonal line. Further, it may be processed and arranged on a patchwork-like screen. A sign may be created by processing the screen itself. Usually, it is provided on the screen surface, but may be provided on the back surface of the screen. The material may be a processed metal, synthetic resin, or screen material.

  Depending on the performance of the CCD camera, the image recognition mark may have a clear contrast, and if it is directly formed on the mesh screen, the mesh camera and the identification mark cannot be distinguished from each other. In this case, it is necessary to select and use a pattern having a pattern that is easy to recognize against the background. Therefore, a different type of recognition mark is required for the background screen.

  The position data obtained by the CCD camera is used to accurately determine and adjust the position in conjunction with a computer.

[Example 6]
Example 6 described below proposes a screen printing screen having a new structure.

  Various materials (mesh, sheet) used for the screen are adopted, and those that are processed or manufactured using various processing means are selected as appropriate for the screen material suitable for the printing purpose. This is a proposal to use.

  The mesh and sheet screen is a mesh or sheet made of metal, synthetic resin, animal, plant, mineral, or a composite material thereof, and the sheet is subjected to photolithography, plating, electroforming, etching, laser processing. Process, punching method, lutter processing method, machining method, molding method or sand blasting method to form a mesh (sheet processing mesh), forming an image on this or forming a mesh, and simultaneously by the above processing It is a screen printing screen on which an image is formed.

  The usual image forming method is to apply a photosensitizer to the mesh and form an image by exposure, and wash away the unnecessary part of the photosensitizer with water to complete the image. Therefore, the following method is used.

  The sheet screen is typically a thin metal plate or a synthetic resin sheet, and is called a so-called metal mask or resin mask. As the synthetic resin sheet, a plate-like or sheet-like sheet having a thickness of about 0.15 mm is often used. Further, in the case of a special application, the screen sheet is processed into a mesh shape by various processing methods, and an image is formed on the mesh as a mesh.

  The photolithographic method is a method in which a photosensitive agent such as a screen emulsion is applied to a screen and irradiated with ultraviolet rays to cause a polymerization reaction, and the others are washed and removed to create an image. A coarse mesh mesh is formed.

  In the plating method, for example, a mesh-like groove is carved on a glass plate, and this is plated to form a mesh in the groove, and this is further grown to form a mesh.

  In the electroforming method, an image is formed on a stainless steel plate by the photolithography method, nickel-plated, formed into a mesh, and the plating is grown to a thickness of about 0.02 mm.

  There is an additive method (electroforming method) in which plating is grown only on the image portion. There is also a method of forming a plated sheet image on a mesh.

  In the etching method, a sheet is processed by a corrosive etching method into a mesh shape.

  In the laser processing method, a sheet can be processed into a mesh shape by processing with a laser beam.

  The punching method is a method in which fine holes are made in a sheet and processed into a mesh shape.

  The molding method is a method of forming a mesh using a molding die.

  The sand blasting method is a method in which fine sand particles are sprayed together with compressed air and processed.

  In the router processing method, a sheet is made into a mesh by cutting with a cutting machine linked with a computer.

  The metal mesh is a screen in which metal wires, for example, stainless fine wires are woven into a mesh, and meshes of various mesh sizes are widely used as screens for image forming units.

  The synthetic resin mesh is made by weaving synthetic resin fibers such as polyester or polyimide fibers in a mesh.

  A typical mesh of animal materials is a so-called silk screen in which silk fibers are woven into a mesh.

  The plant material mesh is made by weaving vegetable fibers such as cotton into a mesh.

  A mineral raw material mesh is made of metal, glass fiber, or the like woven into a mesh.

  Or there exists what woven in the mesh using the fiber of said various raw materials as a composite raw material.

[Example 7]
Example 7 will be described with reference to FIG.
The following is a proposal for a screen printing screen having a new structure.

  This is a proposal relating to the structure of the screen when a sheet (thin metal plate, synthetic resin plate, etc.) is used for the image forming unit.

  The sheet screen is less stretchable than a mesh screen or the like, but it may be preferable to use a sheet (using a metal plate or the like) from the viewpoint of printing and image formation. The purpose of this invention is to impart elasticity and elasticity to the screen when the elasticity and elasticity are insufficient from the viewpoint of printing work after image formation.

  When a metal mask (metal plate or resin plate) corresponding to a sheet is attached to the screen frame, a large number of holes 8 penetrating through the holding portion other than the image portion can be opened to increase flexibility (FIG. 7C). ).

  The notches 8 may be randomly arranged so that the desired flexibility can be obtained, but rectangular holes 8 are arranged like a geometric pattern as shown in FIG. 7C. There may be, and since the obtained effect does not change, the shape of the hole 8 does not matter. In short, the cut 8 is sufficient. FIG. 7D shows a block 9 for reinforcing purposes arranged above and below the first screen. The blocking piece also has the effect of preventing ink leakage from the screen during printing. FIG. 7 (e) shows the closed side 9 arranged on the upper surface of the first screen.

  A screen of a sheet having an image or image formation planned portion, a large number of large holes or small cuts 8 are provided on the screen surface other than the image or image formation portion planned portion, and the range in which the cut or cut is provided is a mesh or sheet Are stacked and pasted together.

  A metal sheet or synthetic resin sheet screen is a sheet material that is hard and lacks elasticity as a whole. Therefore, the elasticity of the entire screen can be increased by providing the notch 8 in this. The elasticity of the sheet screen itself varies depending on the shape, position, and number of the notches 8.

  The number of the notches 8 is one or more (a continuous series of holes) in one sheet.

  The shape and size of the cut 8 may be any shape and size, and the size, number, and location of the cut are selected according to the purpose. If a configuration in which long and narrow slits are alternately provided, the elasticity can be further increased.

  If the cut 8 is left on the screen of the sheet, the ink leaks from the hole during printing, so it is necessary to mask it. Therefore, a piece 9 of mesh or sheet is pasted for both purposes of adjusting masking and elasticity. FIG. 7B. FIG. 7D is an end view of HH. Alternatively, a sheet or mesh is pasted on the entire surface where the cut 8 is provided. FIG. 7D shows an example in which the reinforcing side 9 is attached to the lower surface of the screen, and only the upper surface of the screen may be used (FIG. 7E).

  Needless to say, the mesh screen can be sealed with an adhesive, processed into a sheet, and used as a sheet material.

  When the large cut 8 is provided, there is an effect of preventing cracking or tearing due to repeated expansion and contraction. Moreover, the desired favorable elasticity is acquired by this structure.

  7 (f), the entire edge of the screen end of the sheet is folded back to the upper surface (may be folded back to the lower surface), and a fitting protrusion (not shown) is formed on the upper side of the frame side of the screen frame. ) And a fitting hole for fitting. Since the folded portion is doubled, even if it is fitted to the screen and then the screen frame side length is extended to apply a printable tension to the screen, the screen is less likely to be damaged.

  The folded portion may be folded and overlapped, or may have any structure in which the overlapped portion is fixed by an adhesive or heat welding.

  Further, the same effect can be obtained even when the mesh screen end portion folded back on the upper surface or the lower surface is coated with an adhesive (for example, an epoxy resin adhesive) and processed into a sheet shape.

  The screen can be stretched by using the horizontal moving tool 26, the screen latching tool 22, the screen frame whose frame side length expands and contracts, etc. proposed in the present invention.

  In addition, if the purchaser of this screen purchases one screen frame that can stretch this screen in advance, the screen frame can be used by removing the used screen from the next time. It is economical because you only have to buy it.

  FIG. 7G shows a structure in which the entire periphery of the edge of the screen of the sheet is bent to the upper surface (a structure in which no fitting hole is provided). It is also possible to sell the sheet in a folded form as it is as a product. The folded shape is processed into a U-shape, U-shape, V-shape, etc., and this is hooked (hanged) on a hook provided on the screen frame side, etc., and the frame side length is extended. The screen can be stretched.

  Further, the same effect can be obtained even when the mesh screen end portion folded back on the upper surface or the lower surface is coated with an adhesive (for example, an epoxy resin adhesive) and processed into a sheet shape.

  The method of use and effects are the same as in FIG.

[Example 8]
Example 8 described below proposes a screen printing screen having a new structure and a mesh capable of obtaining a sharp image. Generation of screen distortion and image shift can be reduced.

  (1) This is an example in which a screen is created by using a pre-plated mesh on the image forming unit.

  A stainless steel screen printing metal mesh (360 mesh, wire diameter 16 microns) preliminarily plated with 2 microns was used.

  The above-mentioned screen is stretched and fixed on the screen frame, and a commercially available diazo photosensitive emulsion is applied to the image forming portion, and this is exposed to light to form an image. Then, the unphotosensitive photosensitive emulsion is washed away with water, and the image is printed. Obtain the formed screen.

  By subjecting the metal mesh of the image forming portion to nickel plating, the plating can cover and fix the intersections of the mesh lines, thereby preventing the screen from being distorted or misaligned during printing.

  Although this screen was used for printing, there was no image distortion or misalignment, and a clear and good print was obtained.

  (2) Furthermore, the metal mesh used for the material of the screen printing image forming part has a very smooth surface regardless of the thickness of the line due to the linear processing of the material. It is shaped and reflects light well.

  This material is mainly made of stainless steel, but stainless steel alloy, copper alloy, iron alloy, nickel alloy, synthetic resin, etc. are used, but when the material is metal, the wire surface has a smooth mirror surface. There is no change in being.

  The screen-printed image is formed by applying a photosensitizer with light to the image forming unit, exposing the image with optical means, exposing the photosensitizer, photocuring the photosensitizer, and fixing the image. An unexposed portion of the unexposed photosensitizer is washed away with water to form an image.

  When this photosensitive agent is exposed to light, it is irradiated with intense light. This irradiation light is irregularly reflected on the mirror-like line surface, the light is reflected at an unscheduled place, is irregularly reflected, and the light is sent to places other than the irradiated part, and a good image is obtained. Absent.

  A sharp image for printing cannot be obtained from an image formed in the state of irregular reflection.

  Therefore, if the surface of the metal wire mesh is plated and coated so as not to be reflected, it is possible to prevent blurring of the image during image formation due to irregular reflection. In order to prevent irregular reflection, black plating such as black chrome plating or black nickel is applied to the mesh for image formation.

  Further, in addition to the black chrome plating, the surface of the mirror-like metal wire may be covered with a plating layer that does not perform irregular reflection so that irregular reflection does not occur.

  By adopting the above-mentioned means, it is possible to prevent light from being concentrated and sent only to the target location during fine image formation, and to prevent irregular reflection at other locations, and to blur the image during image formation. Can be prevented and sharp images can be obtained with clear printing.

  When an ultraviolet curable resin is used as a light source for image formation, it is also effective to perform plating of a material color that does not absorb ultraviolet rays.

[Example 9]
Example 9 described below proposes a screen printing screen having a new structure, which can obtain a clear image and reduce the occurrence of image distortion and displacement.

  This is an example of a screen in which a screen is created using a mesh formed on the mesh of the image forming unit, an image is formed, and then the plating on the image unit is removed.

  For the image forming portion, a stainless mesh (360 mesh, wire diameter 16 microns) with a thickness of 2 microns of black nickel plating was used.

  A commercially available photographic photosensitive agent was applied to the mesh, dried, and photosensitized to form an image. By image formation, it is divided into a part coated with a photocured photosensitizer and a part where the mesh is exposed. The exposed metal plating part is immersed in a strong acid solution on a flat plate for 3 minutes, The plating was dissolved and removed, and then washed with water.

  In the screen printing, a finer image is obtained as the metal wire constituting the mesh is thinner. Therefore, a clearer image can be obtained by removing the plating.

  In the places where the plating is not removed, the intersections of the mesh lines are still covered and fixed by plating, so that no distortion or misalignment of the intersections occurs even by printing.

  Therefore, when printing was performed using the screen that had been subjected to the above-described processing, clear and good printing without image distortion and displacement was obtained.

[Example 10]
Example 10 to be described below proposes a screen printing screen having a new structure.
In the screen printing screen plate, one mesh screen or one screen that meshes meshes together, or one sheet that meshes sheets or sheets, or a mesh and sheet mixed to form a patchwork. One of the screens is stretched on the screen frame with different longitudinal and lateral tensions, or one screen with meshes or meshes joined together, or sheets or sheets joined together. One screen, or a screen composed of a combination of a plurality of meshes among a single screen or a single screen composed of a mesh and a sheet and joined in a patchwork shape. Each screen has a different tension. Or, the tension in the vertical direction and the horizontal direction were different and stretched on the screen frame, and these were laminated together It is a screen printing screen plate, wherein the door.

  I One of the screens that meshed or meshed together, or one screen that joined sheets or sheets, or one screen that was composed of mesh and sheets and joined in patchwork When one sheet is stretched on the screen, it is stretched on the screen frame by changing the vertical and lateral tensions of the screen.

  II One screen that meshes meshes or meshes, or one sheet that joins sheets or sheets, or one screen that is composed of mesh and sheets mixed to form a patchwork. In the case of a screen composed of multiple arbitrary sheets, the screen tension is different for each, or the tension in the vertical direction and the horizontal direction is different from each other, and the screen frame is overlaid and then laminated. The screen is constructed.

  Alternatively, the screens having different tensions and those having different vertical and horizontal tensions may be alternately or appropriately combined.

The following types of screens can be used.
(1) One screen with a mesh or a combination of meshes.
(2) One sheet of sheets or a combination of sheets.
(3) One screen composed of patch and mesh by combining mesh and sheet.

  Of the screens composed of a combination of the above-mentioned multiple sheets, when mesh screens are overlapped, even if the same type of mesh is used, the mesh size will differ if the tension is different. There are subtle differences in elasticity.

  Due to this configuration, a subtle difference in elasticity is generated, so that a good print can be obtained by appropriately selecting from these according to the printing purpose and using the one that matches the printing purpose.

  Furthermore, there is an effect that a screen having a good balance can be obtained by overlapping and pasting together those having different tensions.

[Example 11]
Example 11 described below is a proposal related to a screen latch used for a means for detachably attaching a screen to a screen frame.

  The screen retainer is configured by fixing the screen to the following frame-shaped member without applying tension to the screen.

  A frame that is strong enough to fix the screen without applying tension to it, or a frame whose corners are connected and fixed with a flexible material, or a frame whose corners expand or contract, or a corner that is not connected and fixed The screen latching tool 22 is characterized in that the screen is fixed without applying tension to each of the flexible material frames.

There are the following means to stretch the screen using the screen latch.
(1) The screen frame side length is configured to be freely stretchable. The screen frame is hooked on the hooking portion 25 of the screen hooking tool 22 provided on the upper surface of the frame side, and the screen frame is extended to be in a printable state. The screen is stretched, and after printing is completed, the screen is fixed to the frame or the like so that the screen can be freely attached and detached.

  It is sufficient that the frame for fixing the screen of the screen latch has elasticity as a whole and has a strength that can fix the screen.

  The screen retainer 22 itself to which this unused screen is fixed can be sold as a product together with an extendable screen frame. At present, screens of such product form are not sold. The purchaser of the screen latch 22 prepares one screen frame having a screen frame side length corresponding to the screen latch 22 so that it can be expanded and contracted. Is possible, so it is economical. Printing can be performed by attaching the screen latch 22 to the frame, extending the side length of the screen frame, and applying a printable tension to the screen. After the printing is finished, the screen latching tool is removed from the screen frame, and only the screen latching tool 22 is transported and stored, and the handling is extremely convenient.

  The screen latching tool 22 has a fitting groove, a fitting projection, a fitting hole, or a screen in which these are provided in a plurality of rows. The latching portion 25 can be latched.

  (2) A horizontal moving tool 26 is fitted to a hooking portion 25 having a horizontally movable width provided on the side of the screen frame, and the screen is placed on the hooking portion of the horizontal moving tool provided on the horizontal moving tool 26. The screen can be stretched by hooking the hook and moving the horizontal moving tool horizontally outside the frame side. Detailed explanation will be given later.

  (3) A screen can be stretched by providing a hook on the side of the screen frame, hooking the screen hook, and fitting the screen presser to the hook.

  Detailed explanation will be given later.

[Example 12]
The screens described in Examples 1 to 9 are proposals related to a screen that is not stretched on a screen frame. The screen of this form can be sold as a product as it is.

  The present invention relates to a screen plate in which the screen printing screen described in Examples 1 to 9 is stretched and fixed to a screen frame.

  The screen printing screens described in Examples 1 to 9 are screens in a state where they are not stretched on the screen frame, or screen latches to which the screens are fixed. Etc. are stretched and fixed to the screen frame. This is a product in which the screen having the above structure is stretched on a screen frame, and this can also be sold.

  The screen frame may have any strength and material as long as the screen can be stretched, and may be made of any material such as aluminum, other metals, wood, synthetic resin, ceramic, etc. It does not matter even if it is. The shape is not limited to a rectangular shape, and may be a polygonal shape.

[Example 13]
Example 13 described below proposes a screen printing screen having a new structure.

  A screen plate for screen printing in which a first screen having an image formation scheduled portion and a second screen without an image formation scheduled portion are joined together to form one screen, and this is the size of the outside of the screen frame. In the above, the first or second screen is one piece of mesh, or a plurality of pieces are patched together by aligning the mesh directions of the meshes, or the mesh and sheet screens are mixed. Then, the mesh directions of the meshes are aligned and joined to form a patchwork shape, or a plurality of these meshes are laminated and pasted to each mesh direction of the meshes of the first screen and the second screen. Are attached to the screen frame in parallel or at different angles to the screen frame, It is a screen printing screen, wherein.

  When the first screen having the image or the image formation scheduled portion is configured to overlap the mesh, the screen becomes thick and the elastic limit can be increased.

  Configure the screen with the mesh screen direction aligned with the mesh screen direction, and align the screen mesh direction parallel to the screen frame, or overlap each other at different angles, It is stretched around the frame.

  In addition, with this configuration in which the mesh direction of the mesh is aligned, when the mesh direction is matched with the movement direction of the squeegee during printing, there is an effect that the image is not easily moved and the printing accuracy is improved.

  When the screen is a mesh, the direction of the fibers can be stretched with the first screen and the second screen each having an angle with respect to the screen frame. When mesh screens are stretched so that each screen has an angle with respect to the screen frame, the movement of the image portion can be reduced as compared with the case where the mesh screens are stretched in parallel.

  When mesh screens are stretched with different angles with respect to the screen frame, the movement of the image portion can be reduced compared to when the mesh screens are stretched in parallel.

  Moire may occur due to the relationship between the halftone dots of the printed image and the meshes of the screen mesh. For the purpose of correcting this, the direction of the mesh can be adjusted to eliminate moire.

  The screen support portion of the second screen 4 having a configuration in which the meshes have different angles has the function of reinforcing the screen strength and adjusting the elastic limit, and the resistance point of the screen elongation in a situation where each of the meshes has different directions. Therefore, the movement of the first screen is minimized and the printing accuracy is improved.

[Example 14]
A fourteenth embodiment will be described with reference to FIG.
It is the invention which showed the connection method at the time of splicing screen materials (mesh, sheet | seat).

  In the present invention, the screens are spliced to create a screen having a complicated structure, which is effective for splicing the screens.

  In the method of adhering the mesh or sheet screen, the adhering method, and the method of forming protrusions on the screen surface, the screens are joined or overlapped, and the screen is fixed at a stepped portion or the mesh screen adhesive eye. Stop, form an adhesive layer on the screen, or form protrusions on the screen surface, and apply a peelable sheet or a peelable sheet with embossing on the front, back or front and back surfaces of the bonding or fixing part. After adhering or heat welding with an agent, or by applying a mold and filling with a molding agent and fixing, the peelable sheet, the peelable sheet provided with embossing or the mold is peeled off, The front surface, back surface, or both front and back surfaces are gently formed on an inclined surface, and they are joined together or bonded or projected smoothly or with embossing. Wherein the mesh or screen method of the adhesive sheet that is formed and a method of forming a projection on the fixing method and the screen surface.

A method for adhering the screen will be described.
In the present invention, the bonding, joining, and overlapping bonding between screens are often used.

  When a small screen is laminated on a large screen, and especially when the screen is configured in a patchwork shape, one of the pieces is on the upper side and the other is on the lower side. appear. If the screen surface is rubbed with a squeegee in that state, it will not move smoothly and may be caught and damage the screen. Also, in places where screen fragments are stacked and pasted together, there is a difference in level. Means for solving this will be described below.

  In addition, if a peelable tape provided with embossing at the seam bonding or thermal welding or sealing part of the screen is used, the part subjected to the treatment can be provided with embossing, and a squeegee can be used. When printing, the concave surface of the emboss acts as an ink reservoir, and the ink is well kneaded, and the printing finish is improved.

  There is an effect that the bonding portion is strengthened and the surface of the bonding portion is smooth or embossed and is not easily peeled off. Further, in this method, when the object to be bonded is in a mesh shape, the pasting from the back surface can be performed smoothly.

  When the seam is embossed, ink accumulates in the embossed recesses, and the squeegee reciprocates on the embossed portion, so that the ink is kneaded and thus has a good influence on printing.

  Even when the screen is made of a mesh or the like and needs to be sealed, it can be efficiently and finished using a peelable tape.

  Moreover, when forming an adhesive layer, a protrusion, etc. on a screen, a wide area can be efficiently and uniformly formed using a mold and an adhesive or a molding agent.

  This will be described with reference to FIG.

  FIG. 8A shows a process of bonding the first screen 3 and the second screen 4 one by one. First, the peelable sheet 17 is applied to the lower part of the bonding portion and bonded with an adhesive to form the bonded portion 18 and the adhesive is dried. Next, as shown in FIG. 8 (b), an adhesive portion 18a is formed from the upper surface with an adhesive, and a peelable sheet is pressed from above to shape the surface of the adhesive portion to be smooth, and the adhesive is dried. After the peelable sheet 18a is peeled off, the adhesion is completed. In this case, if a peelable sheet provided with embossing is used, embossing can be provided on the processed surface.

  FIG. 8C, FIG. 8D, FIG. 8E, FIG. 8F, FIG. 8G, and FIG. 8H are diagrams showing the bonding process of another bonding example. Detailed description is omitted.

[Example 15]
A fifteenth embodiment will be described with reference to FIGS.
The following is a proposal regarding a method of extending a screen to a screen frame.

  In the method of stretching a screen printing screen on a screen frame, a screen frame having a screen frame whose side length can be expanded and contracted is provided with a screen latch hook portion, and the screen hook member is hung on the screen frame. Screen printing characterized by giving a printable tension to the screen by stopping or fixing the screen to the upper surface of the screen frame and then extending the side length of the screen frame by means of the screen frame side length expansion / contraction means This is a method in which a screen is stretched on a screen frame.

  FIG. 9 is a diagram showing a basic concept of a method for extending a screen to a screen frame according to one embodiment of the present invention.

  9 (a) and 9 (b) use a screen retainer 22 to which a screen 22a is fixed, and set the side length of the screen frame 2 in the directions indicated by arrows 24 and 24a (outward direction of the screen frame). In this method, the screen 22a is stretched.

  Various means for extending the two sides of the screen frame are proposed below.

  FIG. 9C shows a method in which the screen 22a fixed to the screen frame 2 is extended in the direction of the arrow 24, 24a, for example, by extending the screen frame 2 side length, and the screen is stretched on the screen frame. is there.

  Various means for extending the side length of the screen frame 2 are proposed below.

  The description will be divided into the following two configurations.

  (A) A screen frame configured such that the frame side length of the screen frame can be expanded and contracted using a screen latching tool 22 in which a screen 22a is fixed to a latching portion 25 provided on the screen frame side, To have a printable tension.

  FIG. 10 does not show the latching portion 25 provided on the side of the screen frame.

  The latching portion 25 is provided on the upper surface, outer side, or inner side of one of the screen frame sides of all sides of the screen frame, or in the case of two adjacent sides, rectangles, or even sides, of the opposite sides. A fitting groove, a fitting protrusion, a fitting hole or a plurality of these are provided in a plurality of rows, and the screen latching tool 22 is fitted to the latching portion 25 so as to be latched.

  The hooking portion 25 provided on the screen frame side hooks the screen hooking tool 22 to the hooking portion 25, and then the screen frame is extended by the expansion / contraction means of the screen frame side length. Thus, the screen can be stretched in a printable state on the screen frame, and after printing is finished, the screen frame side length can be expanded and contracted to remove the screen latching tool 22.

  The screen frame side length expansion / contraction means includes a screw mechanism, a gear mechanism, a cylinder mechanism, a cam mechanism, a spring mechanism, a magnetic repulsion or pulling mechanism, a wedge mechanism, a lever mechanism or a sliding fitting mechanism using a motor, air or hydraulic pressure. It can be performed by using for driving force or the like.

  Furthermore, the screen can be stretched by the following means.

  Moreover, the said latching | locking part 25 can also be provided in the horizontal moving tool 26. FIG. In this case, it is necessary for the latching portion to have a width that allows the horizontal moving tool to move in parallel and horizontally in the outer direction of the outer frame side.

  Provided on the upper surface, the outer side or the inner side of the horizontal moving tool 26, but is provided with a fitting groove, a fitting projection, a fitting hole or a plurality of rows into which the screen latching tool 22 is fitted. The latching tool 22 is fitted and can be latched.

After the screen latching tool 22 is latched 25, the horizontal moving means of the horizontal moving tool 26 includes a screw mechanism, a gear mechanism, a cylinder mechanism, a cam mechanism, a spring mechanism, a magnetic repulsion or drawing mechanism, a wedge mechanism, a lever mechanism or The sliding fitting mechanism can be driven by motor, air or hydraulic pressure.

  The screen tension can be adjusted by controlling the distance that the horizontal moving tool moves.

  This is a method in which the screen printing screen 22a is stretched over the screen frame by using the screen frame 20d configured such that the side length of the screen frame can be expanded and contracted, and the screen catch 22 having the screen 22a fixed thereto. A screen retainer 22 (a temporary provision of the screen 22a) in a state where no tension is applied is used.

  The screen tension can be adjusted by expanding and contracting the screen frame side length.

  With this configuration, after printing is completed, the screen latch 22 with the screen fixed can be stored in a state where the screen latch 22 with the screen fixed is removed and tension is not applied to the screen 22a. As a result, there is no accident that the screen 22a is stretched or deformed during storage, the life of the screen 22a is extended, and the screen can be stored or used for a long time. It is most suitable when the same printing is repeated repeatedly or intermittently or periodically.

  In this method, after the printing is completed, the screen latching tool 22 to which the screen 22a is fixed can be removed from the screen frame 2 and stored. In addition, this storage is economical because it is sufficient to store only the latch 22 to which the non-bulky screen is fixed, and it does not take a storage place. In addition, it does not take time to carry.

  It is convenient because it is light and not bulky to remove, store and transport after printing.

  That is, in the screen frame configured such that the side length of the screen frame can be expanded and contracted, the four frame sides provided with the four L-shaped corners and the fitting insertion holes into which the L-shaped corners can be inserted at both ends are provided. The L-shaped corner of the screen frame is assembled by inserting and assembling the ends of the L-shaped corners into the insertion holes of the frame sides, or an L-shaped screen having a long side and a short side. The four sides of the frame provided with insertion holes into which the short sides of the other frame sides arranged opposite to each other can be inserted into the end of the long side of the frame side so that the long side and the short side face each other. The short frame is inserted into the insertion holes of the long sides, and the screen frame is provided with expansion / contraction means for the frame side length of the screen frame, or is divided at an intermediate position of each side of the screen frame. An insertion hole for inserting the auxiliary frame side is provided at each end of the four L-shaped frame sides. A screen frame constructed such that the side length of the screen frame can be expanded and contracted, the screen frame having a frame frame length expansion / contraction means provided by assembling and inserting each of the four auxiliary frame sides into a part. It is.

  In FIG. 10, (a), (b), and (c) each inner figure shows the state before extending | stretching screen side length, and the outer figure has shown the state which expand | extended this. In addition, an example in which the length of the screen corner 19 is different and an example in which the method of fitting the screen corner and the screen side is different are shown.

  FIG. 10C shows an example using auxiliary sides 21, 21a, 21b, and 21c. The auxiliary sides 21, 21a, 21b, and 21c may be employed at several locations on one side depending on the size of the screen.

  Moreover, although the cut part of a screen side is one place, it cannot be overemphasized that the structure which cut | disconnected arbitrary several places may be sufficient. You may make it the structure which repels each cut | disconnected edge | side, or a corner and a frame edge, and a corner and a corner, and is expanded-contracted by a drawing structure.

  The expansion / contraction means of the frame length of the screen frame assembled in the above configuration is a screw mechanism, a gear mechanism, a cylinder mechanism, a cam mechanism, a spring mechanism, a magnetic repulsion or drawing mechanism, a wedge mechanism, a lever mechanism, or a slide. The fitting mechanism is a motor, air or hydraulic pressure is used as a driving force. In a large screen frame (for example, 2 m × 2 m), it is extremely difficult to operate manually, and thus a mechanical device is often required.

  11 (a), 11 (b), and 11 (c) show examples of insertion and insertion that are configured to be extendable and retractable by inserting a screen frame (a cross section of a portion where a frame side that slides and extends and is inserted). . The form of the frame side is not limited as long as it can be slid and inserted to expand and contract the frame side length.

  12 (a) and 12 (b) are examples in which a screen frame is inserted and configured so that the side length of the frame side can be expanded and contracted (fitting of the frame side in which the inserted frame side slides and expands and contracts) The cross section of the inserted part) is shown. The form of the frame side is not limited as long as it can be slid and inserted to expand and contract the frame side length.

  The screen frame side length expansion / contraction means can extend and contract each screen frame side by a cylinder mechanism, a cam mechanism, a spring mechanism, a jack mechanism, an electromagnet repulsion or drawing mechanism, a lever mechanism or a slider mechanism.

  A device having these mechanisms is attached to the inside or outside of the screen frame, and the device is operated to extend or contract the side length of the screen frame.

  The screen retainer 22 is a frame having a strength capable of fixing the screen with a tension that does not cause wrinkles, a frame having a strength sufficient to fix the screen without applying tension to the screen, or a corner of the frame having flexibility. A frame having a structure in which the corner of the frame is expanded and contracted, a frame in which the corner of the frame is not connected and fixed, or a frame having a flexible material.

  The screen latching tool 22 has a mechanism or function capable of expanding and contracting within a certain allowable limit along the extension of the screen frame side length.

  The latching portion 25 of the screen latching tool 22 is a fitting groove or an ant that locks the screen latching tool 22 provided on the upper surface, outside or inside of the screen frame, or on the upper surface, outside or inside of the adjacent two sides. It is a handle or a drop-in structure, or is a fitting between a protrusion provided on the upper surface, outside or inside of each side of the screen frame and a fitting hole provided in the screen hooking device 22, or an upper surface, outside or inside of each side of the screen frame The fitting hole or protrusion provided in the screen and the fitting hole or protrusion provided in the screen latch, or the screen latch is fixed to the screen frame side upper surface, outside or inside by screws. is there.

  (B) When the screen 22a is directly fixed to the screen frame 20d configured such that the side length of the screen frame can be expanded and contracted, and the screen 22a has a printable tension.

  When the screen is stretched directly to the extendable screen frame 20d without using the screen retainer 22, and then the screen frame side length is extended to give a printable tension on the screen.

  In this case, since the screen is directly fixed to the screen frame 20d, it is not detachable, but the tension of the screen can be changed by adjusting the extension degree of the screen frame side length. In this case, after the printing is finished, the screen can be used again by removing the unnecessary screen.

  The method for expanding and contracting the screen frame side length is the same as described above, and a description thereof will be omitted.

[Example 16]
Example 16 will be described with reference to FIG.
The following is a proposal relating to a screen frame used for a method of extending a screen to a screen frame.

  However, this screen frame omits and does not display the latching portion 25 of the screen latching tool 22 provided on the screen frame.

  In the screen frame for screen printing in which the screen is stretched by using a screen frame that can be stretched and fixed to the frame side or using a screen latch that fixes the screen. A screen frame configured to be freely extendable by loosely fitting a screen frame side or a middle part of the screen frame side, a screen latch that fixes the screen, and an upper surface of each side of the screen frame The screen latching tool is detachably fitted and fitted with a fitting portion or a screen adhesive portion, and penetrates the inside of each side from one end outside each corner to the opposite other corner. A female screw receiver provided with female screws at both ends is provided at an intermediate portion of the provided female screw or the screen frame side, and the female screw or the male screw receiver at the other end corner is provided. A screen printing screen frame, characterized in that a and stretching means of the screen side length consisting of a male screw to be screwed in.

  This is an invention in which the screen hooking tool 22 is used and the screen frame side is used in combination with a screen frame that can expand and contract to make the screen detachable.

  With this configuration, after printing, the screen can be stored in a state where the screen retainer 22 to which the screen is fixed is removed and tension is not applied to the screen. As a result, there is no accident that the screen is stretched or deformed during storage, the life of the screen is extended, and the screen can be stored or used for a long time. It is most suitable when the same printing is repeated repeatedly or intermittently or periodically.

  In this method, the screen retainer 22 to which the screen is fixed can be removed from the screen frame and stored after the printing is completed. Further, this storage is economical because it is only necessary to store the holding frame to which the screen which is not bulky is fixed, and it does not take a storage place. In addition, it does not take time to carry.

  It is convenient because it is light and not bulky to remove, store and transport after printing.

  (1) FIG. 13 shows the structure of a screen frame configured to be extendable. (Screen latch 22 and the latch of screen latch 22 are not shown).

  The ends of the L-shaped screen corners 14, 14a, 14b, and 14c are slidably fitted into the opposing L-shaped corners to constitute a screen frame.

  The screen frame is assembled by screwing 15, 15a, 15b, 15c male screws on the outside of the screen corners with female screws 16, 16, 16a, 16b, 16c provided at the opposing screen corners.

  The top of the male screw is provided with a fitting hole for a hexagon wrench that is rotated by a hexagon wrench.

  The top of the male screw is loosely fitted so as to remain in the corner so that a rotational force applied from the outside can be transmitted to the female screw.

  When the male screws 15, 15a, 15b, and 15c are rotated left and right, the sides of the screen frame expand or contract.

  The male screw may be rotated by being driven by an external servo motor.

  In addition, using the image alignment mark proposed in the present invention, every time one sheet is printed, the image alignment mark allows the computer to recognize whether the image of the printed material and the screen plate are misaligned, It is also possible to calculate the distance to be moved by driving and make necessary adjustments.

  It is useful because the screen tension can be finely adjusted by the expansion and contraction of the screen frame side length by the screw.

(2) A description will be given based on FIG.
Although the basic structure of FIG. 13 is the same, a male screw receiver 16d is provided at an intermediate portion in each screen frame. The male screw receiver 16d is provided with female screws 16, 16a, 16b, and 16c that receive male screws at both ends, and is disposed in the middle of the screen frame and fixed inside the hollow screen frame side. . In the case of a large screen (for example, 2 m × 2 m), the structure of (1) requires long male screws 15, 15 a, 15 b, 15 c, but if the male screw receiver 16 d is used, the male screw can be shortened, which is convenient. It is.

  Since the function is the same as (1) above, the description is omitted.

[Example 17]
The seventeenth embodiment will be described with reference to FIGS.
The following is a proposal for a new screen installation method.

It is a proposal regarding a means for stretching a screen using a horizontal moving tool.
In a method of stretching a screen printing screen on a screen frame, a horizontal moving tool, which is a rigid rod-like object and has a hooking portion of the screen hooking device on the upper surface, inside or outside, is parallel and horizontal to the screen frame. And moving means movable in the outward direction are provided on the upper surface, outer surface, or inner surface of the side of the screen frame, and then the screen catcher to which the screen is fixed or two adjacent sides of the screen are fixed to the upper surface of the screen frame, or The other two sides are fixed to the screen hook by hooking on the hook, and this is fixed to the fitting portion of the horizontal moving tool, or when the screen is polygonal, all sides or rectangular or In the case of an even number of polygons, a horizontal moving tool fixed to one of the two opposite sides is disposed on the moving means, and the horizontal moving tool is horizontally and parallel to the screen frame side by the horizontal moving means. By moving laterally, a method for tensioning a screen printing screen which is characterized by applying a printable tension to the screen to the screen frame.

  FIG. 15 shows the basic concept of the present invention, which is a method of stretching a screen on a screen frame using a horizontal moving tool 26.

  A screen frame in which a rigid horizontal moving tool 26 is provided on the upper surface of each side of the screen frame 2 with a holding portion 25 having a width that can be moved horizontally by the horizontal moving means 27 in the outer or inner direction of the screen frame 2. It is. Next, the horizontal moving tool 26 having rigidity is fitted into the hooking portion 25 provided on the side of the screen frame, and the screen hooking tool 22 to which the screen 22a is fixed is fixed to the upper surface of the horizontal moving tool 26. It is fitted and latched to the horizontal movement tool latching part 26a provided in the. In this state, the screen is not yet tensioned.

  Next, tension is applied to the screen.

  Applying tension to the screen 22a or adjusting the tension by translating the horizontal moving tool 26 in the outer direction of the screen by the parallel moving means 27 in the outer direction of the screen frame 2 and adjusting the distance of the parallel movement. Is configured to be possible. With this configuration, after printing is finished, the horizontal moving tool 16 is moved in the opposite direction to move the screen hooking 22 to release the tension and make the screen hooking 22 removable. Can do.

  The screen tension can be adjusted by controlling the distance that the horizontal moving tool moves.

  With this configuration, after printing is completed, the screen can be stored in a state where the screen retainer 22 to which the screen is fixed is removed and no tension is applied to the screen 22a. As a result, there is no accident that the screen is stretched or deformed during storage, the life of the screen is extended, and the screen can be stored or used for a long time. It is most suitable when the same printing is repeated repeatedly or intermittently or periodically.

  Therefore, the present invention is convenient because it is light and not bulky for removing, storing and transporting the screen after printing. In addition, it does not take time to carry.

  There are the following two configurations.

  The case where the horizontal moving tool 26 is a rod-shaped object having four rigidity will be described with reference to FIG.

  The horizontal moving tool 26 is a rigid rod-like object, and a horizontal moving tool hooking portion 26a for hooking the screen hooking tool 22 is provided on the upper surface (not shown). The horizontal moving tool latching portion 26a is a fitting groove, a fitting projection, and a fitting hole that can be fitted in correspondence with the screen latching tool 22. Provide.

  FIG. 15A shows an example in which four horizontal moving tools 26 are provided on the upper surface of the screen frame.

  FIG. 15 (b) shows that when the screen latching device 22a having a fixed screen is fitted to the latching portion 25 of the horizontal moving device 26 and moved by the horizontal moving means 27 in the directions of arrows 24 and 24a, The screen can be stretched and the tension can be adjusted (FIG. 15C).

  FIG. 15G shows an example in which the horizontal moving tool is arranged outside the screen frame.

  When the screen latching tool 22 to which the screen is fixed is hooked on the horizontal moving tool 26 and the horizontal moving tool 26 is moved in the directions of arrows 24 and 24a by the horizontal moving means 27, the screen can be stretched, and In addition to adjusting the tension, image distortion can also be adjusted (FIG. 15C).

  FIG. 15D shows an example in which the horizontal moving tool 26 is arranged inside the screen frame.

  When the screen latching tool 22 to which the screen is fixed is hooked on the horizontal moving tool 26 and the horizontal moving tool 26 is moved in the directions of arrows 24 and 24a by the horizontal moving means 27, the screen can be stretched, and The tension can also be adjusted (FIG. 15 (c)).

  II A case where a screen is stretched using two horizontal moving tools 26 will be described with reference to FIG.

  The difference in structure from the above I is that the hooks 25 of the horizontal moving tool provided on the upper surface of the two sides of the screen frame are provided only on two adjacent sides, not on all sides.

  FIG. 16A shows an example in which two screen moving tools 26 are used on adjacent screen frame sides.

  FIG. 16B shows an example in which two screen moving tools 26 are used outside the adjacent screen frame sides.

  FIG. 16C shows an example in which two screen moving tools 26 are used inside the adjacent screen frame sides.

  The other two sides of the screen latching tool 22 that is not fitted on the upper surface of the horizontal moving tool 26 are fitted and latched to the screen frame 2.

  The method of extending the screen is the same as that described above by moving the horizontal moving tool 26 by the horizontal moving means 27, and thus the description thereof is omitted.

  Since other structures and functions are the same as those of I, detailed description thereof is omitted.

  Since the following description is a matter common to the above I and II, it will be described collectively.

  17A, 17 </ b> B, 17 </ b> C, and 17 </ b> D, the horizontal moving tool hooking portion 26 a provided on the horizontal moving tool 26 is obtained by fitting the horizontal moving tool 26 to the hooking portion 25 of the screen frame. It is an end elevation of the section of the state where screen retainer 22 was latched to. In addition, a screw is used as the horizontal moving means 27 of the horizontal moving tool 26.

  FIG. 17A shows an example in which the screen frame side 2 has a concave cross-sectional shape. The screen 27 can be adjusted by rotating the screw 27 and moving the horizontal moving tool 26 back and forth in the horizontal direction.

  FIG. 17B shows an example in which the screen frame side 2 has a concave shape with a deformed cross-sectional shape.

  FIG. 17C shows an example in which the screen frame side 2 has an L-shaped cross section.

  FIG. 17D shows an example in which the screen frame side 2 adopts an L-shape having a reverse cross-sectional shape.

  18A, 18 </ b> B, and 18 </ b> C are diagrams illustrating the relationship between the screen frame 2 and the horizontal movement tool 26. FIG. 6 is an end view of a cross section in a state in which a screen hook 22 is hooked to a horizontal moving tool hooking portion 26 a provided in the horizontal moving tool 26. In addition, a screw is used as the horizontal moving means of the horizontal moving tool 26.

  FIG. 18A shows an example in which the horizontal moving tool 26 is arranged inside the screen frame.

  FIG. 18B is an example in which the horizontal moving tool 26 is arranged outside the screen frame.

  FIG. 18C is an example in which a screen frame having a concave cross-sectional shape and a horizontal moving tool 26 having a T-shaped cross-sectional shape are combined.

  19 (a), 19 (b), 19 (c), and 19 (d), the horizontal moving tool 26 is fitted into the hooking portion 25 of the screen frame, and the horizontal moving tool hooking portion 26a of the horizontal moving tool 26 is screened. It is the end elevation of the section which showed the state where latching tool 22 was latched. (The horizontal moving means 27 is not shown).

  20 (a), (b), (c), FIGS. 21 (a), (b), (c), (d) and FIGS. 22 (a), (b), (c) are horizontal movement tools. It is the end elevation of the section which showed the state where the screen latching tool 22 was latched to 26 horizontal movement tool latching parts 26a. (The horizontal moving means 27 is not shown).

  FIG. 22 shows what is called a drop structure.

  The cross-sectional shapes of the latching tool 22 and the horizontal movement tool latching part 26a are shown in FIGS. 20 (a), (b), and (c), FIGS. 21 (a), (b), (c), (d), and FIG. The shape is not limited as in (a), (b), and (c), but it is necessary to have a shape that can be fitted and hooked together.

  If necessary, any shape can be used as long as it can be detachably hooked to the screen latching tool 22.

  Further, the horizontal moving tool 26 is horizontally moved by the horizontal moving means 27 to apply tension to the screen and stop at an appropriate position to complete the tensioning. However, the horizontal moving means 27 shows an example of a screw. A device that is driven by a cylinder mechanism, a piston mechanism, a slide mechanism, a cam mechanism, a wedge mechanism, a lever mechanism, or a spring mechanism provided inside or outside the frame and that slides in the horizontal direction may be provided. If the large screen frame is not based on the mechanical mechanism, it is difficult to stretch the screen and adjust the tension.

  The horizontal moving means using screws can be rotated by human power, but if a motor capable of controlling rotation in conjunction with a computer is used, the large and heavy screen frame 2 can be accurately controlled.

[Example 18]
Embodiment 18 will be described with reference to FIG.
The following is a proposal regarding a method of extending a screen to a screen frame.

  The present invention relates to a method for stretching a screen by the horizontal moving tool 26, and a method for attaching and detaching the screen latching tool 22.

  A detachable gap portion 32 for facilitating the detachment of the screen latching device 22 is provided on the entire outer periphery of the frame groove outer bottom of the fitting groove of the latching portion 25 of the screen latching device 22. A screen frame for screen printing, a canvas frame for painting, or a sheet frame for advertising.

This will be described with reference to FIG.
In the present invention, when the screen is stretched using the horizontal movement tool 26, the screen latching tool is used after the screen is stretched using the screen latching tool 22 in the horizontal movement tool latching portion 26a. When attaching / detaching 22, a detachable gap portion 32 for facilitating the attachment / detachment of the screen latching device 22 is provided on the entire outer periphery of the fitting groove outer bottom portion of the latching portion 25 of the screen latching device 22. It is.

  When detaching the screen latch 22 with the screen fixed, if one side of the latch is pushed into the gap 32 from above using the gap 32, the other end of the screen latch 22 is moved upward. Therefore, it is easy to remove the latching portion 25 from the fitting groove.

  The shape of the gap 32 is not particularly limited as long as it is a gap that allows one side of the screen latch 22 to be pushed into the gap 32 from above.

  The present invention can also be used for a canvas frame for painting, a sheet frame for advertisement, and the like, and a canvas, a sheet for advertisement, etc. can be easily stretched.

[Example 19]
Example 19 will be described with reference to FIG.
FIG. 24 (a) is a proposal regarding a method of extending a screen to a screen frame.
In the present invention, when the screen is stretched using the horizontal moving tool 26, the horizontal moving tool hooking portion 26a is applied to the entire inner periphery of the fitting groove of the hooking portion 25 of the screen hooking tool 22. The elastic body shock absorber 33 is disposed in contact therewith.

  The elastic buffer 33 is made of synthetic rubber, and four pieces having a length of the fitting groove on one side of the frame side are used.

  The screen was stretched using the screen latching tool 22 on this.

  By providing the elastic buffer 33, the tension of the stretched screen is not biased by the buffering action of the elastic buffer 33, and an average tension is obtained for each side, and image distortion and misalignment occur. There is a reduction effect.

  An image was formed on this screen and then printed, but a clear print without distortion or misalignment was obtained.

  This will be described with reference to FIG.

  In the present invention, when the screen is stretched using the horizontal moving tool 26, the horizontal moving tool hooking portion 26 a is arranged on the entire inner periphery of the fitting groove of the hooking portion 25 of the screen hooking tool 22. The elastic buffer 33 and the metal fitting 34 are disposed in contact with the elastic buffer 33.

  The elastic buffer 33 is made of synthetic rubber, and four pieces having a length of a fitting hole on one side of the frame side are used.

  The screen was stretched using the screen latching tool 22 on this.

  By arranging the elastic shock absorber 33 and the metal fitting 34, the tension of the stretched screen is not biased by the buffering action of both, and the average tension is obtained on each side, and the distortion and misalignment of the image are obtained. This has the effect of reducing the occurrence.

  An image was formed on this screen and then printed, but a clear print without distortion or misalignment was obtained.

[Example 20]
A twentieth embodiment will be described with reference to FIGS.
The following is a proposal regarding a method of extending a screen to a screen frame.

  In this method, the screen pressing tool 28, 28a, 28b, 28c, 28d, 28e, 28g and the protruding frame 11a are used to stretch the screen or adjust the tension.

  The screen can be easily stretched by using the screen restrainer 28 (frame) which fits in contact with the inside or outside of the screen frame or fits in the fitting groove provided on the upper surface of the frame side. This is an invention in which the tensioning force can be easily adjusted by changing the thickness of the frame side of the frame-like object.

  The screen is stretched in advance so as not to apply tension by being fixed to the upper surface of the screen frame with an adhesive or the like. Next, the thickness of the screen holder 28 (frame) is selected in consideration of the strength with which the screen is stretched. Since the screen is fixed in advance, the screen pressing tool is pushed into contact with the screen from above the screen, so that the strength with which the screen is stretched varies depending on the thickness of the frame of the screen pressing tool. The screen can be easily stretched by selecting a frame having a thickness that provides the target tension.

  When the screen is stretched to the desired strength, the frame is fixed to the frame side with a screw or the like (not shown).

  This will be described with reference to FIG.

  In the screen printing screen plate configured to be divided into an upper stage and a lower stage, a protrusion that fits inside the lower stage frame at the lower part of the upper stage frame or fits into a fitting groove provided inside the frame side of the upper surface of the lower stage frame A screen is provided with a frame, and a screen latch that fixes the screen is provided on the outside of the upper surface of the lower frame side so that the screen latch is detachable, and the screen latch is latched on the latch. A screen printing screen plate, wherein the protruding frame of the upper frame is fitted inside the lower frame via a screen or fitted and fixed in the fitting groove.

  This is one of the methods for extending the screen by hooking the screen latching tool 22 to the latching portion provided on the upper surface of the screen frame.

  The screen retainer 22 is a device in which the screen 22a is fixed without applying tension.

  A protruding frame 11a is provided at the lower portion of the screen upper frame 11, and a fitting groove 13 for fitting the screen latching device 22 is provided on the upper surface of the lower frame 12, and the screen latching device 22 having the screen 22a fixed thereto. Are detachably fitted, and the screen 22a is pushed down from above the screen by the projecting frame 11a below the screen upper frame 11 through the screen, and the screen upper frame is overlapped with the screen lower frame. As a result, the protruding frame of the screen upper frame pushes the screen downward, tension is applied to the screen, and the screen is stretched. The upper and lower screen frames fix the screen upper frame 11 and the screen lower frame 12 with screws or the like, and give a tension capable of printing the screen 22a.

  After the printing is finished, the screen upper frame is removed, and the screen latch 22 is removed and stored. It is sufficient to store only the screen, the storage space is small, and the screen is stored in a state where no strong tension is applied. Therefore, there is no possibility that the screen extends during storage and the image is distorted.

This will be described with reference to FIG.
In this method, a screen is stretched by bringing a frame-shaped presser into contact with the frame side inside the screen frame. Do not use screen fasteners.

  The screen 22a is fixed to the screen frame 2, and the screen is stretched by using a frame-shaped screen presser 28.

  The screen 22a was fixed to the screen frame with an adhesive.

  The screen is fixed to the upper surface of the frame side of the screen frame 2 without applying tension (FIGS. 26 (a), (b), (d), (f)). The screen may be fixed by a method other than an adhesive, such as heat welding.

  Next, the screen presser 28 is pushed downward from the top of the screen 22a, fitted inside the screen frame 2, and fixed, so that the screen can be stretched in a printable state (FIG. 26 (c)).

  FIGS. 26D and 26E are examples in which the screen is fixed to the upper surface of the frame side of the screen frame 2. A frame-shaped presser 28 is used as a presser and the screen is pressed against the inside of the screen frame 2. It was fitted and fixed in contact. The frame-shaped presser 28 and the screen frame 2 are fixed with screws (screws are not shown).

  Since the height of the frame-shaped presser 28 is made higher (longer) than the height of the screen frame side, it can be protruded from the bottom of the frame side, and with this protruding length, The tension can be adjusted. This is a simple way to adjust the screen tension.

  FIGS. 26 (f) and 26 (g) are examples in which the screen is fixed to the lower surface of the frame side of the screen frame 2. The frame-shaped presser 28 was used to be fitted and fixed inside the screen frame 2. The screen pressing tool and the screen frame were fixed with screws (screws are not shown).

  Since the height of the frame-shaped presser 28 is made higher (longer) than the height of the screen frame side, it can be protruded from the bottom of the frame side, and with this protruding length, The tension can be adjusted. This is a simple way to adjust the screen tension.

This will be described with reference to FIG.
27 (a), 27 (b), and 27 (c) are examples in which the hook portion 25 is provided on the entire upper surface of the frame side of the screen frame 2 and the screen is stretched using the frame-shaped pressing member 28. It is.
Do not use screen fasteners.

  The screen 22 a is adhered and fixed to the outside of the upper surface of the frame side of the screen frame 2.

  If the frame-shaped presser 28 is fitted to the latching portion 25 and fixed thereto with a screw, the screen can be stretched and brought into a printable state. (The screw is not shown). If a screen frame with a different width and depth of the latching portion and a corresponding frame-shaped presser are prepared, the tension of the screen can be changed by a simple method.

  This will be described with reference to FIG.

  In this method, the screen holding tool and the screen pressing tool are used to hook the screen pressing tool to the locking portion 25 provided on the upper surface of the screen frame, and the screen is stretched.

  29 (a), (b), and (c), the hooking portion of the screen hooking tool 22 on the side of the screen frame is provided, and the screen hooking tool is hooked on this. The frame-shaped screen pressing tool 28 is fitted in contact with the inner side of the screen frame via the screen. Thereby, the screen is stretched. This configuration is convenient because the screen retainer can be freely attached and detached because the screen is not bonded and fixed to the frame.

  29 (d), (e), and (f), a screen latching device and a screen pressing device 28 are provided on the side of the screen frame, and the screen latching device 22 is hung on this. stop. The frame-shaped screen pressing tool 28 is passed through the screen, and the frame-shaped screen pressing tool 28 is attached to the screen pressing tool 28 provided on the upper surface of the screen frame. Hang on the latch. Thereby, the screen is stretched. This configuration is convenient because the screen retainer can be freely attached and detached because the screen is not bonded and fixed to the frame.

This will be described with reference to FIG.
The screen 22a is fixed to the screen frame 2, and an L-shaped screen retainer 28 is used to hook the screen 22a on the retaining portion of the screen retainer 28e provided on the upper surface of the screen frame. It is a method to set.

  The screen 22a was fixed to the screen frame with an adhesive.

  29 (a), 29 (b), and 29 (c), the L-shaped hooking portion 25 of the L-shaped screen pressing tool 28e is provided on the upper surface of two adjacent frame sides of the screen frame 2, and the L This is an example of using a letter-shaped restrainer 28e. The same applies to the case of two bar-shaped pressers.

  The screen 22a is fixed in a state where no tension is applied, and the side provided with the L-shaped hooking portion is bonded and fixed to the outer surface of the hooking portion 25 and the upper surface of the frame side at the other two adjacent sides.

  Next, when the L-shaped presser 28e is fitted into the latching portion 25 and fixed with a screw, the screen can be stretched in a printable state. (The screw is not shown).

  This configuration is simple and economical because the tension of the screen can be changed by changing the width and depth of the latching portion, and the screen pressing tool only needs two sides.

  (2) The screen is stretched by using the screen latching tool 22 and the L-shaped screen pressing tool 28e.

  29 (d), (e), and (f) are provided with groove-like hook portions 25 for hooking L-shaped hooks 28e on the upper surfaces of the two sides of the screen frame 2. On the two adjacent sides, a hooking portion 25 in which the outer side of the upper surface of the frame side is cut off is provided. The screen latching tool 22 to which the screen 22a is fixed is latched on the respective latching portions 25.

  Next, when the screen retainer 28e is fitted into the groove-shaped latching portion 25 and fixed to the screen frame 2 with screws, the screen can be stretched in a printable state. (The screw is not shown).

  This configuration is simple and economical because the tension of the screen can be changed by changing the width and depth of the latching portion, and the screen pressing tool only needs two sides. Further, since the screen is not bonded and fixed to the screen frame, it can be freely attached and detached.

  29 (d), (e), and (f), when printing, the screen retainer 22 to which the screen 22a is fixed is used and the screen retainer 28 is retained on the retaining portion 25. Tension the screen so that it can be printed. After the printing is finished, the screen retainer 28 is removed, and the screen retainer 22 is stored or removed from the screen frame while being fixed to the screen frame in a state where no tension is applied to the screen 22a. In this case, since a strong tension is not applied to the screen 22a, the screen is extended during storage, and the image is not distorted. The life of the screen can be extended.

This will be described with reference to FIG.
Next, as shown in FIG. 30, the screen presser 28 includes a frame 28 that is engaged with the inner side of the screen frame 2 or a frame 28 that is engaged with the engagement portion 25 provided on the upper surface of each side of the screen frame, and the screen side. Long bar-shaped object 28a, 28b, 28c, 28d, or L-shaped bar-shaped object 28e or two bar-shaped objects 28f, 28g, which are hooked on the hooking portions 25 provided on the upper surfaces of two adjacent sides of the screen frame, the screen When the frame is a polygon, it is a rod-like object (not shown) that fits on each side.

  Further, it is possible to adjust the screen tension by changing the thickness of the rod-shaped object of the screen presser 28, which is convenient.

  The holding means is provided with a device that is driven by an electric motor of a mechanism that pushes down the screen frame from above, pneumatic pressure, hydraulic pressure, cam, lever, spring, magnetic force, and screw, and is fixed by being pushed down by the pressing tool 28 via the screen 22a. To do.

[Example 21]
A twenty-first embodiment will be described based on FIG.
The following is a proposal regarding a method of extending a screen to a screen frame.
In the method of detachably attaching the screen printing screen to the screen frame, the end of each side of the screen is folded back and processed into a bag shape, and the hollow screen frame provided with a slit in the entire length of the screen side is attached to the screen. A bag-like portion is arranged in the hollow frame, and then a bag having an appropriate screen side length is inserted into each bag-like portion or a plate-like object having a screen side length is inserted into the bag-like portion. Rotate and fix, or insert an elastic tube provided with an inlet through each bag-like part of the screen, inject the gas or liquid into the tube, seal it, and apply a printable tension on the screen The screen printing screen is characterized in that it is hung and stretched so as to be detachably stretched on the screen frame.

  In this method, a screen printing screen is detachably stretched on a screen frame and the tension is adjusted.

  This will be described with reference to FIG. Although the example in which the positions of the slits provided on the frame sides are different is shown, the functions are exactly the same.

  Any of the upper side, the outer side, and the inner side of the side of the hollow screen frame 2 may be used, but a slit 30 having an appropriate width is provided so as to be connected to the aforementioned part of the frame (FIGS. 31B, 31D, and 31E) . Next, each end of the screen 22a is bent and processed into a bag shape with both ends open so that a heel can be inserted into each side.

  In the case of a fiber screen material, a sewing machine or the like is sewn, and in the case of a synthetic resin, a heat welding process such as high frequency processing is performed.

  The bag-like portion 29 of the screen is disposed in a slit 30 provided in the hollow screen frame 2. Next, a bag 31 having a suitable thickness is sequentially inserted into each side of the bag-shaped portion 29 disposed in the hollow portion of the screen frame from an opening provided at the end of the screen frame, and tension is applied to the screen. The screen tension can be adjusted by changing the thickness of the collar 31.

  In another method, a plate-like object is inserted in place of the bag and rotated 90 degrees to apply tension to the screen. (Not shown).

In another method, a tube provided with an elastic inlet for communicating with the bag-like portion is inserted into the bag-like portion 29 (not shown) instead of the bag 31. A liquid or gas (air, gas, etc.) is injected into the tube from an inlet provided in the tube, and this is expanded and sealed. The screen tension can be adjusted by the amount of gas enclosed.
This method of adjusting the tension of the screen is a method that enables extremely fine adjustment.

  FIG. 31D and FIG. 31E are examples in which the positions where the slits are provided are different.

  When removing the screen, in any case, the screen can be removed by removing the bag, plate-like object, and air.

[Example 22]
The twenty-second embodiment described below relates to a means for accurately recognizing and controlling the position of the screen in relation to a new screen stretching method.

  In order to perform precise screen printing, precise printing cannot be obtained unless both the position of the screen and the position of the substrate are accurately controlled.

  The present invention is a means for accurately controlling the position of the screen for the purpose of realizing precise printing.

  In the method of extending the screen printing screen to the screen frame, the position recognition mark is arranged on both the printing medium and the screen plate, and this is recognized by the image recognition camera or visually. A screen printing screen that detects image distortion and corrects image distortion by adjusting the screen tension by stretching the side length of the screen frame, moving the horizontal moving tool, or pressing it with a screen presser is stretched on the screen frame. It is a method to set.

  During precision printing, image distortion becomes a major problem. First, as a first factor, distortion occurs in the process of processing the printed material.

  If the screen is not stretched uniformly, the image will be distorted and correct printing will not be possible. Therefore, this is a method of obtaining a correct image by arranging a position recognition sign on the substrate and the screen plate, detecting distortion of the image with an image recognition camera, and adjusting the tension of the screen. This allows printing without distortion.

  The screen tension adjusting means is the expansion and contraction of the screen frame side length described in the above embodiment, and there are a method using the screen horizontal movement tool described in the embodiment and a screen pressing tool described in the embodiment, and other methods. The method may be used.

  As a result, the image is adjusted and printing without distortion can be obtained.

[Example 23]
Example 23 described below is a proposal relating to a simple mirror manufacturing method.
The surface of the 300mm x 500mm sheet that has been mirror-finished by silver plating deposition with a 0.2mm-thick synthetic resin sheet is pulled into a state where the surface is smoothed by pulling the screen side with a tensioning traction machine. The adhesive is applied to the upper surface of the frame side of the wooden fixed frame, and the frame is attached from the lower surface of the screen, and the surface is smoothed and bonded and fixed. Since tension is applied, the sheet is always stretched smoothly by the contraction force of the sheet.

  The method of stretching the frame of the sheet is expansion and contraction of the side length of the screen frame described in the embodiment, and is a method using the screen horizontal movement tool described in the embodiment and the screen pressing tool described in the embodiment. Description is omitted.

  An extremely lightweight mirror or reflector can be obtained easily and inexpensively and can be used for various applications. It can be used in a wide range of fields as an alternative to mirrors for interior decoration and outdoor decoration. Compared to glass mirrors, it is extremely light, so even if it is placed overhead, it can be easily suspended and can be safely prevented from falling. Also, when no longer needed, unlike glass and other mirrors, it can be easily disposed of and is convenient.

[Example 24]
A twenty-fourth embodiment will be described with reference to FIGS. 32, 33, 34, 35, and 36.
This is a proposal for a screen frame that can be corrected by finely adjusting the tension of the screen, which occurs once the screen is stretched in a printable state.

  This is a hollow screen frame 35 capable of finely adjusting the screen tension after a screen printing screen is stretched and fixed to form an image.

  Metal frame (aluminum alloy) with a square cross section (30 mm x 40 mm) (thickness 2 mm), screen frame sides 36, 36a, 36b, 36c consisting of 950 mm x 950 mm, with only one end of each frame side The hollow screen frame 35 was formed by combination welding and fixing so as to be the openings 40, 40a, 40b, and 40c of the cylinder.

  As shown in FIG. 32, there are six outer screw holes 39, 39a, 39b, 39c, 39d, 39e, 39f, and 39g on the outer sides of the screen frame sides 36, 36a, 36b, and 36c, and on each screen frame side. , 39h, 39i, 39j, 39k, 39l, 39m, inside screw holes 43, 43a, 43b, 43c, 43d, 43e, 43f, 43g, 43h, 43i, 43j, 43k, 43l, 43m, 43n 430, 43p, 43q, 43r, 43s, 43t, 43u, 43v, 43w are provided, and fixing screw holes 38, 38a, 38b, 38c, 38d for fixing tension adjusting bars to both ends of the upper surface of the screen frame side. , 38e, 38f, 38g.

  Each of the four tension adjusting bars is provided with a screw hole into which a tension adjusting screw penetrating both side surfaces is screwed. For example, the tension adjusting bar 37a is provided with 44, 44a, 44b, 44c, 44d, and 44e. The same is true for the other three bars.

  From the openings 40, 40a, 40b, and 40c on the side of the hollow screen frame 35, tension adjusting bars 37, 37a, 37b, and 37c (25 mm × 25 mm × 900 mm) for metal (iron, stainless steel) and synthetic resin screens. ) Is inserted into each hollow part from the direction of arrows 41, 42, 43, 44.

  Each tension adjusting bar is provided with screw holes 42, 42a, 42b, 42c, 42d, 42e, 42f, 42g for screwing fixing screws into both ends.

  The tension adjusting bar is inserted into each hollow portion as described above by screwing the tension adjusting screw into the screw hole from both sides.

  At both ends (50 mm from the end) of the tension adjusting bar 37 inserted, fixing screws 47b and 47c (not shown, but also on the other sides) are formed vertically from fixing screw holes provided on the upper end of the screen frame side. Connect) and fix it in the screw hole of the tension adjustment bar. The tension adjustment bar is fixed at the end of the screen frame side, and becomes a fixed fulcrum when the frame sides 36, 36a, 36b, and 36c are bent by the tension adjustment screw at the intermediate part between the fixing points at both ends.

  The tension adjusting bar 37 can be moved forward or backward corresponding to a predetermined number of screw holes on the inner side of the screen frame side at a position corresponding to the screw holes for adjusting the screen tension by curving the frame side. The tension adjusting bar 37 is connected to the tension adjusting bar 37, and the tension adjusting screws 46, 46a, 46b, 46c, 46d, 46e, 46f, 46g, 46h, 46i, 46j, 46k, 46l, 46m, A screen frame for screen printing.

  In this embodiment, a so-called saddle screw having no head is used, but it goes without saying that a normal headed screw may be used.

  The tension adjusting screw and the screw hole on the frame side are made to correspond to each other, and the tension of the screen can be adjusted by rotating the wrench 48, 48a as indicated by an arrow 50 from the outside of the side.

  In this embodiment, the number of adjustment points by the tension adjusting screw is six, but it is necessary to increase or decrease appropriately according to the length of the frame side.

  The usage method of this hollow screen frame 35 is as follows.

  After the screen is stretched and fixed to the hollow screen frame 35 to form an image, tension adjusting screws 46, 46a, 46b screwed to the tension adjusting bar 37 through the outer screw holes on the screen frame side 36a, 46c, 46d, 46e, 46f, 46g, 46h, 46i, 46j, 46k, 46l, 46m are moved separately to the front side or the other side in the horizontal direction to move the tension adjusting screw to the side wall inside the hollow portion of the screen frame side 36a. As a result, the screen frame side 36a is slightly curved, so that the distortion and displacement of the stretched and fixed screen can be freely finely adjusted.

  The rotation applied to the tension adjusting screw 46 is manually rotated by a wrench 48, 48a or the like, but may be driven and rotated by an external servo motor.

  In addition, every time one sheet is printed using the image alignment mark proposed in the present invention, the computer recognizes whether the printed material and the screen plate are misaligned by the image alignment mark. Thus, the distance to be driven and moved can be calculated and necessary adjustments can be made.

  Printing was performed on a screen with finely adjusted tension on the screen, but clear printing without distortion or misalignment was obtained.

  FIG. 34B is an end view of the frame side cross section of the example in which the cross-sectional shape of the screen frame side is the concave shape 36d. Even in the case of the concave shape, it is possible to adjust the distortion and displacement of the screen by using the tension adjusting bar 37 and the tension adjusting screw 46. Since the tension adjusting bar is fixed to the frame side from the lower part of the frame side (not shown), the same operation as the above-described embodiment can be obtained.

  In FIG. 34 (c), the screen frame side has an L-shaped cross section 36e, and the above-described tension adjusting bar 37 and tension adjusting screw 46 can be used to adjust the distortion and displacement of the screen. Since the tension adjusting bar 37 is fixed from the lower part of the frame side (not shown), the same operation and effect as the embodiment can be obtained, and further, the head adjusting screw 36f is used as the tension adjusting screw. It is an end view of a frame side cross section.

  FIG. 35 shows the relationship between the tension adjusting bar 37 and the tension adjusting screw 46. This is an example in which the tension adjusting screw is screwed from both sides of the two frame sides. This is an example in which two upper and lower fixing screws are used for the tension adjustment bar.

FIG. 36 shows the relationship between the tension adjusting bar 37 and the tension adjusting screw 46.
In this example, one tension adjusting screw is screwed from the inside of the frame. Further, this is an example in which one fixing screw 38 is fixed to the tension adjusting bar from the upper side of the frame side.

FIG. 37 shows the relationship between the tension adjusting bar 37 a and the tension adjusting screw 46.
This is an example in which one tension adjusting screw is screwed from the outside of the frame. Further, this is an example in which one fixing screw 47c is fixed to the tension adjustment bar from the lower side of the frame side.

[Example 25]
A twenty-fifth embodiment will be described with reference to FIG.
In the twenty-first embodiment, the method for stretching the screen printing screen has been described. However, if a canvas for painting or a sheet for advertisement / advertisement is used instead of the screen, the canvas for painting is similar to the case of the screen. This is a method by which fabrics and advertising / propaganda sheeting can be installed easily.

  The end of the canvas fabric is folded and processed into a bag shape with both ends open.

This can also be sold as a new product. Is it possible to stretch the fabric so that it does not come into contact with the frame? This is a difficult task for amateur painters who are not experts.
Therefore, if this processed cloth and frame are used, the frame can be stretched easily and without failure.

  Also in the case of an advertising sheet, if this frame and the sheet processed into the bag shape are used, it can be quickly replaced with the next advertising sheet (such as a vertical signboard) with a simple operation.

  Painting canvas cloth, advertisement / promotion sheet cloth Painting canvas cloth, advertisement / promotion sheet cloth is replaced with a screen printing screen, and the painting canvas or the advertisement sheet is stretched as described in the above embodiments. The canvas canvas for paintings or the promotional sheet is obtained. The advertising sheet can be stretched without wrinkles if it is made of cloth or synthetic resin. The tensioning method is exactly the same as that of the screen printing screen, and the description is omitted.

  According to the present invention, the screen having a configuration in which the overlapping portion of the first screen and the second screen is adhered and bonded together with an adhesive or the like is obtained, so that a screen with stronger tension can be obtained and image formation can be achieved. The planned portion can reduce the movement due to the expansion and contraction of the screen, the printing accuracy is further improved, and a printed matter with a good finish can be obtained.

  By adopting the above configuration, the strength of the screen is reinforced, it can withstand long-term use, and there is an effect of preventing wrinkles and the like on the screen due to the tension applied to the screen.

  In order to obtain accuracy according to the printed matter, the elastic limit and the yield point can be adjusted by adjusting the combination structure of the mesh or sheet screen and the number of sheets to be bonded. As a result, the elasticity and elasticity suitable for the purpose. The sex can be adjusted.

  In addition, the first screen and the second screen excluding the image formation scheduled portion are configured in a patchwork shape by connecting a plurality of pieces of the same or different screen materials, and small pieces are also used. Since the screen material is reduced and the previously discarded material pieces are used, the amount of expensive screen material used and the amount of screen material used can be saved as a whole, and the printing cost can be reduced. Furthermore, even a large screen can be manufactured at low cost.

  Further, by plating the entire metal screen of the image forming unit, the plating can cover and fix the intersection of the lines, thereby preventing the screen from being distorted or misaligned during printing.

  Adhesives are provided at the joints or in places where there is a step so that they are smoothly laminated or embossed, so there is no ink retention and squeegee catching, and the ink is kneaded in the embossed recesses, resulting in better printing. effective. When the substrates are smoothly laminated, the life of the screen can be extended. Further, in the case of a small substrate, since a plurality of image forming scheduled portions can be provided in the screen, the number of screens used can be saved, which is efficient and economical.

  In addition, to make the screen detachable, use a screen retainer, screen retainer, horizontal moving tool, and a stretchable screen frame to apply tension that can be printed only during printing. Since the screen can be stored and transported without tension, it requires less storage space and is economical. Further, since the screen is stored in a state where no tension is applied to the screen, an accident that the screen extends during storage can be prevented, and the life of the screen can be extended.

  In addition, the screen frame that can adjust the side length of the screen frame and the screen latch that fixes the screen can be combined to stretch the screen, adjust the screen tension, and remove the screen latch. Can be.

  Furthermore, once the screen is fixed to the screen frame and an image is formed on the screen frame, distortion and misalignment of the generated image can be finely adjusted, and the printing accuracy is significantly improved.

  By creating a simple sheet-like mirror, painting canvas, and advertising sheet by the screen stretching method of the present invention, the canvas and advertisement contents can be easily replaced, and it is inexpensive, convenient, and economical. Is.

The figure which shows the combination state of the 1st and 2nd screen. The figure which shows the state which piled up the 1st screen and the 2nd screen, and made the length of the screen edge part equal. The end surface enlarged view which abbreviate | omitted a part of cross section of the example from which the length of the edge part of the piled-up screen differs. The top view of the screen which has arrange | positioned the screen fragment to the butting. The top view of the screen which provided the protrusion which encloses the image formation part provided many, or the protruding partition which divides | segments. The top view of the screen which provided the label | marker for printing position alignment. The top view of the screen which provided the through-hole in the screen of the sheet | seat. The partial expanded sectional view of the screen which shows the adhesion process of a screen. Explanatory drawing of the method of extending a screen. Operation | movement explanatory drawing of the screen combined so that expansion-contraction is possible. Sectional drawing of the insertion part of the screen frame combined so that expansion-contraction is possible. Sectional drawing of the insertion part of the screen frame combined so that expansion-contraction is possible. Explanatory drawing of the screen frame comprised so that expansion-contraction is possible. Explanatory drawing of the example which provided the external thread receptacle in the screen frame comprised so that expansion-contraction was possible. Explanatory drawing of the screen frame which uses a horizontal movement tool. Explanatory drawing of the other screen frame which uses a horizontal movement tool. Sectional drawing of the moving means of a horizontal moving tool. Sectional drawing of the moving means of another horizontal moving tool. The other expanded sectional view of a horizontal moving tool. The other expanded sectional view of a horizontal moving tool. The expanded sectional view which shows the latching state of a horizontal movement tool and a latching tool. The expanded sectional view which shows the latching state of another horizontal moving tool and a latching tool. The expanded sectional view of the space | gap part provided in the latching part of the screen latching tool. The expanded sectional view of the example which provided the elastic body buffer in the fitting groove of the latching part of a screen latch. Explanatory drawing of the screen frame comprised by dividing | segmenting into upper and lower 2 steps | paragraphs. Explanatory drawing of the screen frame which uses a screen presser. Explanatory drawing of the screen frame which uses a screen presser. Explanatory drawing of the screen frame which uses a screen latching tool and a screen presser. Explanatory drawing of the screen frame which uses a screen presser. The perspective view of a screen presser. The conceptual diagram of the screen which made the screen edge part the bag shape. The partial omission perspective view of the frame side provided with the tension adjustment bar. The partial omission plan view of the frame side provided with the tension adjustment bar. The end elevation of the frame side section of the frame side provided with the tension adjustment bar. The figure which shows the relationship between a tension adjustment bar, a tension adjustment bar fixing screw, and a tension adjustment screw. The figure which shows the relationship between a tension adjustment bar, a tension adjustment bar fixing screw, and a tension adjustment screw. The figure which shows the relationship between a tension adjustment bar, a tension adjustment bar fixing screw, and a tension adjustment screw.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Screen printing screen 2 Screen frame 3 1st screen 3a, 3b, 3c, 3d Screen 4 2nd screen 4c, 4d, 4e, 4f Fragment 5 of 2nd screen 4 5
6,6a Ridge bulkhead

Claims (16)

A printing screen plate stretched on a screen frame, the printing screen plate comprising:
A combination of a first screen and a second screen ;
The first screen and the second screen have an overlapping portion and are bonded with an adhesive;
The step formed on the overlapped portion was filled with an adhesive, and a release sheet having an emboss was pressed into a gentle shape;
Screen version for printing.   The printing screen plate according to claim 1, wherein a plurality of the second screens overlap. The first screen is a mesh;
The printing screen plate of claim 1, wherein the second screen is a mesh. The first screen is a mesh;
The printing screen plate of claim 1, wherein the second screen is a sheet. The first screen is a sheet;
The printing screen plate of claim 1, wherein the second screen is a mesh. The first screen is a sheet;
The printing screen plate of claim 1, wherein the second screen is a sheet. The adhesive is filled in a mesh of the first screen, printing screen plate according to claim 3 or claim 4. The adhesive is filled in the meshes of the second screen, printing screen plate according to claim 3 or claim 5. A method for producing a printing screen plate combining a first screen and a second screen , wherein the printing screen plate production method comprises:
Disposing the first screen and the second screen so as to have an overlapping portion;
Applying an adhesive to the overlapped portion;
Filling the adhesive with the step formed in the overlapping portion;
Forming the adhesive on a gently inclined surface by pressing a release sheet having an emboss ;
Solidifying the applied adhesive and the filled adhesive;
Peeling the peelable sheet;
A printing screen plate manufacturing method comprising:   The printing screen plate manufacturing method according to claim 9, further comprising a step of stacking a plurality of the sheets. The first screen is a mesh;
The method for producing a printing screen plate according to claim 9, wherein the second screen is a mesh. The first screen is a mesh;
The method for producing a printing screen plate according to claim 9, wherein the second screen is a sheet. The first screen is a sheet;
The method for producing a printing screen plate according to claim 9, wherein the second screen is a mesh. The first screen is a sheet;
The method for producing a printing screen plate according to claim 9, wherein the second screen is a sheet. The adhesive is filled in the meshes of the first screen, printing screen plate manufacturing method according to claim 11 or claim 12. The adhesive is filled in the meshes of the second screen, printing screen plate manufacturing method according to claim 11 or claim 13.

Images