JP5575013B2 - Simple filter - Google Patents

Description

  The present invention relates to a simple filter such as disposable coffee.

Disposable simple type filters are widely used mainly as filters for extracting regular coffee, and various types are proposed and put into practical use and marketed.
This simple filter (hereinafter simply referred to as “filter”) has a basic structure of a bag made of a filter, usually a non-woven fabric, a plastic or paper filter, and a bag body. In general, when a filter for coffee is used, for example, when a filter for coffee is used, a predetermined amount is placed on the filter bag body. The coffee powder (extracted substance) is enclosed, and in use, the top of the bag body is first opened, and in this state, it is placed on the edge of a container such as a coffee cup using the support, and placed. After completing the setting, the hot water is poured from the opening of the opened bag body to extract the coffee components inside the bag, and the extracted coffee liquid (extracted liquid) is filtered through the bag body. While in the container Only, it has become a thing of the or ゝ beverages.

  In particular, when this filter is used as a coffee filter as described above, regular coffee can be obtained simply by pouring hot water, or the amount of coffee powder enclosed in the bag can be determined in advance. It is convenient for coffee drinkers because the concentration of the coffee liquid is determined to be almost constant, and when it is cleaned up after use, the coffee filter itself can be disposed of while leaving the coffee powder in the bag. Widely used for reasons such as easy handling.

  As mentioned above, this simple type filter is structurally simple because it consists of a bag body and a support body. Various improvements and proposals have been made so that the safe use is possible and a stable and efficient extraction effect can be obtained, and its practical application has been achieved. Under such circumstances, one of the most simplified ones currently has a support directly attached to the front and back surfaces of the filter bag body, and the bag body is supported on the cup container by the front and back supports. A filter having a structure has been proposed and put into practical use.

  The filter formed by directly attaching the support to the bag body is to open the opening of the bag body in use, and then stretch the front and rear support bodies in the front-rear direction in preparation for the set against the container. According to the caliber of the container, the locking piece of the support piece is hooked and set on the edge of the container, but at the same time, using this pulling, the front and back surfaces of the bag body are pulled and inflated, and this inflating is used to The opening is widened. And coffee is extracted by pouring hot water into the open opening and received in the container. For example, Patent Documents 1 and 2 disclose a simple type filter in which a support is directly attached to such a bag body.

Japanese Patent Application Laid-Open No. 2004-230143. Japanese Patent Application Laid-Open No. 2010-110335.

  In use, the filter described in Patent Document 1 is cut off the upper portion of the bag body 2 and opened to form an opening 8, and then the rectangular surfaces 2 a and 2 b (front and rear surface portions) of the bag body 2. Pull out the locking pieces 12 and 12 of the latching members 3 and 3 (support) attached to the arm and pull the arm parts 5 and 5 from the sticking parts 11 and 11 that are fastened to the surface parts 2a and 2b of the bag body 2. It can be set by raising the locking pieces 12, 12 in the front-rear direction and hooking them on the edge of the cup 30.

  In addition, the filter described in Patent Document 2 has substantially the same structure as that of the filter described in Patent Document 1, and in use, the front and back surfaces of the extraction bag 2 (bag body). Pull out the front end portion 12 (locking piece) of the supporting sheet 3 (supporting body) that is fixed to the base sheet, and bend the upper boundary lines 13 and 14 along with this to cause the intermediate portions 8 and 9 to be inverted V-shaped, The front end 12 is hooked and supported by the edge of the cup by this stretching, and from this structure, the filter supports the opening of the bag body in an open state by stretching the support sheet 3. The hot water can be poured.

  These two filters can be hooked onto the cup by pulling out a locking piece (tip portion) that hits the tip of a support body (holding member, support sheet) provided on the front and rear surfaces of the bag body. At the same time, the opening of the bag body is maintained in accordance with the stretching, and the cup can be stably set in a simple structure. It can be used conveniently for the extraction.

  However, when the filter according to the above proposal is used, the preconception that the user can set it immediately by extending the support works, so the opening of the bag body is disclosed in Patent Document 1. Even if it is tightly sealed like a filter, the support attached to the front and back surfaces of the bag body may be stretched back and forth forcibly without opening the opening. There was a problem that said this would damage the support.

Of course, there is a filter that does not require an opening operation with the opening opened, but in general, a filter of a type in which an extractable substance such as coffee is encapsulated in advance is usually used. In the filter, the opening of the bag body is usually sealed from the viewpoint of preventing the coffee powder from flowing out.
In such a case, as a matter of course, the opening operation must be performed first. Nevertheless, as described above, the support body may be directly pulled out to be put on the set. At this time, the bag body is expanded. Since only the support body is pulled out without doing so, an unreasonable force acts on the support body, resulting in a problem that it is damaged.

  In this way, the support body can be directly attached to the bag body described above, and the front and rear support bodies can be pulled away from each other during use, and can be set by hanging them on the edge of the cup container. The type of filter that expands the bag body by expanding the bag body is extremely convenient from the viewpoint of ease of use. In addition, in this type of filter, the opening that closes as the support is pulled out. Can be automatically opened, the above-mentioned damage problem is inevitably eliminated, which is more convenient.

In particular, if the opening of the bag body can be opened as well as the opening of the bag body can be opened as well as the body of the bag body can be expanded by pulling out the support body, it is said that the support body is stretched in the filter. The two operations complete the opening operation of the bag body and the setting operation for the cup container, which is extremely convenient.
However, in the conventional filter described in the above-mentioned patent document, the body of the bag body is expanded by pulling out the support, and the opening that has been previously opened can be expanded following this expansion. However, it was not possible to simultaneously open the openings sealed in conjunction with the pulling or stretching of the support.

Accordingly, the present invention has been developed in view of the above-described problems. In particular, the present invention has been developed by pulling a support attached to the bag main body back and forth, and expanding the bag main body, and sealing the opening of the bag main body. It is an object of the present invention to provide a simple filter that can be opened in a stopped state.
As described above, the filter that is set by directly attaching the support body to the bag body and pulling out the support body is required to be able to support the support body in a stable state. It is a secondary effect to expand the bag body by means of this, there is no proposal for forcibly opening the sealed opening of the bag body, and the possibility of realization is not shown .

  This is because, in Patent Document 1, when the latching piece 12 of the latching member 3 is pulled out, the arm portion 5 has a base point which is the sticking portion 11 that sticks to the lower part of the rectangular surfaces 2a, 2b of the bag body 2. It is shown that the upper end is opened outward and has an inverted V shape, and in this state, it is hung on the edge of the cup and can be hooked. Therefore, it does not act on the opening 8 of the bag body, and therefore it is impossible to forcibly open it or to open the sealed state.

  The same applies to Patent Document 2. Here, when the front end portion 12 of the support sheet 3 is pulled out, the intermediate portion 8 that follows is extended from the lower boundary lines 10, 11 at the lower end of the inverted T-shaped portion 7 that is fixed to the bag body (bag body). It is structured to open to the outside and to pull out the tip 12, but the withdrawal of the tip 12 does not act directly on the opening, so that the opening is forcibly opened. Is not possible.

  In view of the above circumstances, the present invention compulsorily opens the opening of the bag body in accordance with the withdrawal of the support body when the support body fixed to the front and back surfaces of the bag body is provided in the set and pulled out back and forth. Such as coffee that can be opened by pulling it in the opening direction, or the opening of the bag body can be opened simultaneously through one set operation for the cup container so that the sealed opening can be opened. A simple filter is intended to be provided.

  In order to achieve the above-mentioned object, the present invention provides a suspension piece for connecting a locking piece to be hooked to the edge of the cup to the surface portion of the support body fixed to the front and back surface portions of the filter bag body. The upper and lower ends are bonded to each other, and the intermediate portion is connected to this intermediate portion of the non-adhering cross-linked piece, whereby when the locking piece is pulled out, the hanging piece is pulled out by the pull-out, At the same time, the intermediate part of the cross-linked piece connected to this is lifted, thereby pulling out the upper edge of the bag body at the upper end of the cross-linked piece and forcibly opening the opening, and at the same time the lower end of the cross-linked piece It is intended to provide a simple filter for coffee or the like by pulling the body portion of the bag body back and forth at the portion so that the inside of the bag body is expanded and provided in a set for a container such as a coffee cup.

The present invention will be described in further detail. An opening serving as a pouring port is formed between the upper edge portions of the front and rear surface portions that can be folded in contact with each other, and the opening is sealed in advance and enclosed. A filter-made bag main body that prevents the spilling of the extract, and a sheet that is fixed to the surface of the front and rear surfaces and hooked to the opening of the cup-shaped container to support the bag main body. A simple filter such as coffee made of a support made of
The support body has an upper end fixed to a central portion of an upper edge portion facing the opening to be sealed in front and rear surface portions of the bag body, and a lower end portion fixed to a central portion of the trunk portion of the bag body. the crosslinking pieces to non-adhesive intermediate portion of the length disposed longitudinally along a central portion of the front and rear face, by extending the piece suspended upward from the side edge portion of the intermediate portion of the bridge piece Te, further to extend the downward pawl in place locking engagement piece folded shape configured along the outer edge from the upper end of the hanging piece, flat the respective pieces constituting the support when not in use And in close contact with the front and rear surface portions of the bag body, while in use, the latching locking piece is pulled away from the front and rear surface portions, and the suspension piece is pulled out along with this work. said intermediate portion of said cross piece connecting the drawers, prior to crosslinking pieces by the drawer Upper end tension in the direction pulling away longitudinal upper edge central portion of the front and rear faces of the bag body that fastened, the lower end of the front when the sealed opening of Kibukuro body to force open simultaneously crosslinking piece the simplified filter coffee or the like characterized by being adapted to open the interior of the central portion by expanding the body portion pulling in the direction pulling away back and forth after the front bag body of the barrel of the bag body to be fastened It is to provide (Invention of Claim 1).

  For the bag body formed from the filter as a raw material, the front surface portion and the rear surface portion are in contact with each other, and a fold (fold) that is folded inward is provided between the left and right side edge portions of the both surface portions. A filter made of paper or the like generally used in this type of filter can be used. Of course, the material of the filter is appropriately selected according to the other extractables and considering the transmittance.

  On the other hand, for the support, a sheet-like material having required rigidity and elasticity, for example, cardboard is suitable. In molding, it is preferable to punch out in accordance with the shape of each piece so that the pieces are formed in a continuous state. In addition, although this support body differs in the shape and structure of each piece, as the forming method, the support body shown in each said patent document, the preparation method of a support sheet (Imagine from the form disclosed by drawing). And can be cut out by punching from a single sheet.

Now, the above-mentioned support of the present invention extends from the left and right side edges of the intermediate part of the length of the bridging piece with the bridging piece as a center, and the hanging piece extends upward. The latching and locking pieces are formed so as to extend downward from the upper end portion, and these pieces are formed continuously. And the said bridge | crosslinking piece is adhere | attached on each of the front-and-back surface part with respect to the said bag main body, and it attaches integrally.
In this attachment, the bridging piece has its upper end fastened to the upper edge of the front and rear surface portions of the bag body, and its lower end fastened to the central portion of the body portion of the bag main body along the central portion of the surface portion. This is fixed vertically so that the middle part of the piece is brought into a non-adhesive state and this part can be lifted from the surface of the face part.

  This support body will start by picking and pulling out the latching locking piece with a finger in use, and by pulling out this latching locking piece, the upper end of the hanging piece connected to this is pulled out, Along with this, an intermediate portion of the bridging piece connected to the lower end portion of the hanging piece is pulled out. Then, when the bridged piece is lifted by this drawing, the upper edge of the bag body to which the upper end adheres is pulled, and the opening of the bag body is forcibly opened by this pulling. become. At the same time, since the body portion of the bag body to which the lower end portion is bonded is pulled, this is expanded and the inside is expanded.

The opening of the bag body may be opened in advance. However, in the case where the extractable material is sealed and sealed to prevent spilling of the extract, the cross-linked piece is used as described later. By adhering the upper end portion of the bag, the upper edge portion of the surface portion of the bag body is pulled directly, and as a result, the adhesion is peeled off and the opening is forcibly opened.
Therefore, according to the present invention, when the bag main body, that is, the filter main body is set in the cup container, when the front and rear support bodies are pulled out in the front-rear direction, the opening is automatically pulled back and forth along with the pull-out. At the same time, the body part is opened together with this opening, so if the support is pulled out and the locking piece is hooked on the edge of the cup, all setting operations are completed. .

  On the other hand, according to the present invention, in the simplified filter for coffee or the like, an upper fixing piece and a lower fixing piece are integrally provided respectively at the upper end portion and the lower end portion of the bridging piece, and the upper edges of the front and rear surface portions of the bag body The upper fixing piece along the portion, and the lower fixing piece to the center portion of the trunk portion of the bag body, and the support body is fixed to the front and rear surface portions of the bag body, respectively. The object is to provide a simple filter (the invention according to claim 2).

  In the present invention, in order to stably fix the cross-linked piece to the bag body, an upper fixing piece is provided at the upper end portion of the piece, and a lower fixing piece is provided at the lower end portion, respectively. By attaching to the front and back surface portions via the, a firm attachment can be achieved. For this reason, when the support is pulled out, it is possible to reliably pull out the upper edge portion of the surface portion by the bridging piece and the trunk portion, and it is possible to further facilitate the setting operation during use.

  Further, in the present invention, in the simplified filter such as coffee, the bag body is joined to the inner surfaces facing each other between the upper edge portions of the front and rear surface portions so as to be easily peelable, and the opening of the bag body is formed. The object of the present invention is to provide a simple filter for coffee or the like that is sealed (the invention according to claim 3).

In the present invention, the opening of the bag body is bonded and sealed in such a manner that it can be easily peeled off. Thus, when a filter in which an extraction object is sealed in the bag body in advance is used, it is convenient to handle as a coffee-filled filter, for example, because the contents can be prevented from flowing out in a packaged state.
In order to perform fusion by high frequency in this joining, it is recommended to use a heat-sealable synthetic resin or a paper filter impregnated with resin for the bag body.

  The present invention is also directed to a simple filter for coffee or the like, wherein the bag body folds back each upper edge portion of the front and rear surface portions, and forms a reinforced polymerization portion along the opening edge portion to form an outer surface side of the polymerization portion. The upper fixed portion of the cross-linked piece of the support or the upper fixing piece provided on the upper end portion is fastened, and the inner surfaces of the overlapping portions are joined to each other in an easily peelable state to seal the opening. The object is to provide a simple filter for coffee or the like (the invention according to claim 4).

  In order to avoid the fact that the filter forming the bag body is thin and lacks rigidity and the waist is weak, the required rigidity cannot be obtained when the opening is pulled in the opening direction or when the opening is opened. The upper edge part of the front and rear surface parts is folded back twice to form a reinforced polymer part. And in this invention, while joining an opening part in this reinforcement superposition | polymerization part, this supports a rigidity and ensures a joining state, and at the time of opening by the tension | pulling of the said bridge | crosslinking piece, this tensile force spreads over the whole. The joint can be easily peeled off.

  Further, the present invention provides the simple filter for coffee or the like, wherein the opening of the bag body is joined linearly along the upper edge of the front and rear surface portions. A vessel is provided (the invention according to claim 5).

  This invention seals the entire opening by forming the joint of the opening of the bag body in a line shape along the upper edge of the surface portion to ensure a sealed state, while the joining range is at the time of opening. By being linear, the peel force can be reduced, ensuring easy peelability and facilitating the opening operation by pulling out the support piece.

  The present invention also provides a simple filter for coffee or the like characterized in that, in the simple filter for coffee or the like, the joining portion joined linearly along the upper edge of the front and rear surface portions is a discontinuous broken line shape. A mold filter is provided (the invention according to claim 6).

  The present invention further facilitates the unsealing work at the time of unsealing by making the joint portion a broken line shape, and further reduces the burden on the other pieces such as the bridging pieces of the support during the setting work. It will be.

  Further, the present invention provides the simple filter for coffee or the like, wherein the joining portion for joining the inner surfaces between the upper edge portions of the front and rear surface portions of the bag body is an upper fixed portion provided on the upper end portion of the bridging piece or the upper end portion. An object of the present invention is to provide a simple filter for coffee or the like, which is provided at the center of the piece or in the vicinity thereof (the invention according to claim 7).

  In the present invention, when performing a setting operation by pulling the support, the tensile force of the cross-linked piece is more effectively applied to the joint of the opening, and the joint is reliably and easily peeled off. And can be opened.

  Further, in the simple filter of the coffee or the like, the present invention is such that the upper fixing piece fixed along the upper edge portion of the front and rear surface portions of the bag body reaches the side edges of the front and rear surface portions at the left and right ends. And a reinforcing piece extending along the side edges of the front and rear surface portions from the respective end portions, and fixing these integrally to the surface of each surface portion. The object is to provide a simple filter (the invention according to claim 8).

  According to the present invention, a flexible bag body is provided with a waist by an upper fixing piece and further by a reinforcing piece extending from the fixing piece, and a posture support force is provided so that opening by pulling the support body is easy. In addition, when opened in a cup container, the unsealed state is maintained so that hot water can be poured easily and safely.

  Further, the present invention provides the simple filter for coffee or the like, wherein the reinforcing piece has a length whose lower end does not exceed the fixing position of the lower fixed piece of the support. It is to provide (Invention of Claim 9).

In the present invention, the reinforcing piece is attached within a range that does not exceed the central portion of the height of the body portion of the bag body by limiting the length of the reinforcing piece. In other words, if the length is extended to the range extending from the trunk of the bag body to the bottom, a tensile force is required to expand the entire bag body, and thus the support body is required to have a strength that can withstand it. Therefore, the length is limited here to avoid this. As a result, damage to the support is prevented in advance.
As described above, the filter of the present invention is easily damaged because it forms the support body with a relatively weak material such as paper, starting with the bag body. Is inherently polite.
In this situation, the present invention is designed so as not to be easily damaged from the trouble in handling at the time of use, and the length of the reinforcing piece is also taken into consideration and embodied.

  Now, when the filter of the present invention according to the above configuration is, for example, a filter in which coffee powder is enclosed in a bag body, in use, the first filter is first attached to the front and back surface portions of the bag body. Then, the support is picked up and pulled back and forth. With this drawer, the hanging piece is drawn into a downward-facing hook shape, and further pulled out to pull out the intermediate part of the length of the bridging piece to which the lower end of the hanging piece is connected, and this drawer raises the intermediate part so that it can be further pulled out Then, the upper edge portions of the front and rear surfaces of the bag body to which the upper end portion is bonded and connected are pulled away from each other in the front-rear direction, and as a result, the sealing joint is peeled off and opened. At the same time, the lower end of the bridging piece is pulled out to pull out the body of the bag body and expand it.

  In this way, when the front and rear supports are pulled out and the support piece of each support is hooked on the edge of the container when it is in a state that matches the caliber of the cup container to be used, the setting of the filter is completed and stable. It can be used in the state. Since the opening is automatically opened by pulling out the support, hot water may be poured into the opening, and the extracted coffee liquid automatically accumulates in the container and can be directly beveraged.

  Since the filter of the present invention is configured as described above, the upper end of the bridging piece forms the opening of the bag body by pulling out the support, more specifically, by pulling out the support piece of the support. Since the upper edge portion of the front and rear surface portions is pulled out, the opening portion can be forcibly pulled and opened, and therefore the operation for directly opening the opening portion can be omitted. For this reason, even when the opening is sealed by joining or the like, this sealed state can be released by pulling out the support and can be opened, so that the setting operation for the container becomes easier and the filter is extremely easy to use. Can be provided.

  Moreover, since the present invention can unseal and open the opening of the bag body in conjunction with the withdrawal of the support in this way, it may be damaged by forcibly pulling out the support. Therefore, there is an advantage that the filter can be used without waste.

It is a front view of the simple filter which concerns on this invention. FIG. 2 is a front view showing a bag body and a support body having a reinforcing piece as a single body. It is a perspective view which shows the state raised in order to open a bag main body for use and to latch a support body. FIG. 2 is an enlarged longitudinal sectional view illustrating a state in which a support body having a cross section taken along line AA in FIG. 1 is pulled out. It is a perspective view explaining the use condition which latched the simple filter which concerns on this invention on the cup container. It is a front view explaining the fastening position of the upper and lower fixed pieces and the reinforcing pieces provided on the bridge piece of the support with respect to the bag body. It is a front view explaining the joining state of the junction part which joins the opening part of a bag main body to a dashed-dotted line shape.

The accompanying drawings show an embodiment in which the simplified filter according to the present invention is implemented as a coffee filter. The present invention will be described below based on the embodiments shown in the drawings, and the features thereof will be clarified.
In the drawings, reference numeral 1 denotes a coffee filter according to the present invention, reference numeral 2 denotes a bag body of the coffee filter 1, and reference numeral 3 denotes a bag body 2 which is hooked and supported on the edge of a coffee cup 4 serving as a container when in use. It is a support.

  The bag body 2 is formed into a bag shape using a filter made of a synthetic resin non-woven fabric, has front and rear surface portions 2a and 2b, and opens upward. Here, the left and right side edge portions of the front and rear surface portions 2a and 2b of the bag body 2 are adhered to each other in contact with each other, and the bonded edge portions are folded inwardly between the front and rear surface portions 2a and 2b.襠 5 and 5 are provided. The bag body 2 can be expanded by folding the entire bag into a flat shape by using the bags 5 and 5. Then, the upper edge portions of the front and rear surface portions 2a and 2b are folded back to have an appropriate width inside and overlapped, and joined together to form the reinforcing overlapping portions 6 and 6, between the reinforcing overlapping portions 6 and 6. An opening 7 for opening the bag body 2 is formed.

  Here, a synthetic resin filter capable of heat sealing is used as the filter forming the bag body 2, but more specifically, the filter here is used for bonding using bonding means using high frequency or the like. The filter has a double-layer structure in which the inner surface side of the filter is strongly adhesive and the outer surface side is weakly adhesive, and the adhesive forces are different from each other. The front and rear surface portions 2a and 2b are respectively formed with the bag body 2 facing the inner surface of the bag body with a strong adhesive layer on the inner surface and the outer surface with a weak adhesive filter layer on the outer surface. As described above, the reinforcing superposition portions 6 and 6 are formed by heat-sealing when they are doubled by folding back, and the filter layers on the inner surface side are joined together to form a strong bond, and the reinforcement having the required rigidity is achieved. Superposed portions 6 and 6 are formed.

  In addition, about the filter which forms the said front-and-rear surface parts 2a and 2b, the filter layer which made the polypropylene material is arrange | positioned here at the strong adhesive filter layer which becomes an inner surface side, and also the weak adhesive filter layer of an outer surface side. A filter layer made of polyester is disposed, and both layers are integrated to form a two-layer structure.

  Further, in closing the opening 7 by joining the reinforcing overlapping portions 6 and 6 that contact the upper edges of the front and rear surface portions 2a and 2b, the outer surface sides of the reinforcing overlapping portions 6 and 6 are That is, since the weakly adhering filter layers are bonded to each other, as described later, this bonding has weak bonding strength, and can be easily peeled off and opened even by weak separation.

On the other hand, the support 3 is formed by cutting out a thick paperboard having a required rigidity and using a thick paperboard as a raw material. Here, as shown in FIG. It is formed by doing.
The support body 3 shown here is made of a substantially rectangular cardboard with one side aligned in the width of the front and rear surface portions 2a, 2b of the bag body 2, and a cross-linked piece 8 is placed in the center portion. Suspension pieces 9 and 9 are extended upward from left and right side edges corresponding to the substantially central portion 8a, and further latched and latched downward along the outer edges from the upper ends of the suspension pieces 9 and 9, respectively. The pieces 10, 10 are extended, and the suspended pieces 9, 9 and the locking pieces 10, 10 are arranged and formed so as to be symmetric with respect to the bridge piece 8.

And here, the lower end of the said latching locking piece 10 and 10 is connected with the connection piece 11, and it is made for the whole shape to make a U shape, and it is in the upper end part 8a of the said bridge | crosslinking piece 8 of the center. The upper fixing piece 12 is laterally extended, and the lower fixing piece 13 is similarly extended in the horizontal direction at the lower end portion 8b so that the two fixing pieces 12 and 13 are positioned in parallel with a space in the vertical direction. It is like that.
Further, here, both left and right end portions of the upper fixing piece 12 extend beyond the latching locking pieces 10, 10, and extend along the outer edges of the locking pieces 10, 10 from both extended portions. Thus, the reinforcing pieces 14 are extended downward so as to be integrally provided. The reinforcing pieces 14 and 14 are approximately half the length of the locking pieces 10 and 10.

The support 3 in which each of the above pieces is formed in a substantially rectangular cardboard is bonded to the front and back surface portions 2a and 2b of the bag body 2 at the portions 15 and 16 shown by hatching in FIG. Will be installed.
One hatched portion 15 covers the upper end portion 8 a of the bridging piece 8 and the upper fixing piece 12 and the left and right reinforcing pieces 14, 14, and the other hatched portion 16 corresponds to the lower fixing piece 13. Accordingly, the support 3 is attached by adhering these portions to the surface portions 2a and 2b, and the other portions are free with respect to these surface portions.

  As shown in the figure, the support 3 is attached to the upper and lower edges of the front and rear surface portions 2a and 2b of the bag body 2 so that the upper end portion of the bridging piece 8 faces and further extends from the upper end portion here. The upper fixed piece 12 is integrally fastened along the upper edge portion, and the reinforcing pieces 14 and 14 extending from both ends are fastened and attached along the side edge portions of the face portions, respectively, of the face portions 2a and 2b. It is designed to be attached to the upper half.

The bag body 2 having the support bodies 3 and 3 attached to the front and rear surface portions 2a and 2b in this way is pre-filled with a required amount of coffee powder (usually about 8 to 10 g of powder) and bonded to the opening 7. It joins and seals by doing.
FIG. 7 illustrates this sealed state. Here, it joins in the shape of a broken line (one-dot chain line shape) so as to cross along the upper edge of the bag body 2, and this joining portion 17 corresponds to the upper end portion 8 a of the bridging piece 8, I try to correspond.

Before use, the filter 1 of the present invention is used by storing a bag body 2 enclosing coffee powder (not shown) in a packaging container made of a highly sensitive film such as aluminum foil by flat folding. Sometimes it will be taken out.
The filter 1 is used by holding and pulling the latching locking pieces 10 and 10 of the front and rear support pieces 3 and 3 from the both sides 2a and 2b of the bag body 2 in a flat state, and matching the caliber of the coffee cup 4 It will be extended to a large area. Here, since the locking pieces 10, 10 are connected by the connecting piece 11, the connecting piece 11 is picked and the support body is pulled out.

When the supports 3 and 3 are pulled out, the upper ends of the suspension pieces 9 and 9 are lifted as the latching and locking pieces 10 and 10 are pulled out, and the lower ends are connected as the whole is pulled out. The cross-linked piece 8 is pulled out.
Since the bridging piece 8 connects the lower ends of the suspension pieces 9 and 9 to the left and right side edge portions corresponding to the intermediate portion of the length, the intermediate portion is first pulled out and lifted by the pulling, and then Subsequently, the upper end portion 8a and the lower end portion 8b are pulled up, and the upper edge portion of the bag body 2 to which the upper end portion 8a is fastened is pulled out to open and open the opening portion 7 forward and backward.

The opening of the opening 7 is performed so as to peel off the joint portion 17. At this time, the tensile force of the support pieces 10 and 10 acts on the intermediate portion 8c of the bridging piece 8 through the suspension pieces 9 and 9 from the structure described above, and directly from the intermediate portion 8c. It acts on the upper end portion 8a of the bridging piece 8. Therefore, the opening 7 acts as a force in the peeling direction, and as a result, the joint portion 17 is easily peeled off and easily opened.
On the other hand, since the lower end portion 8b of the bridging piece 8 is similarly drawn out, the central portion of the surface portion to which the lower end portion 8b is joined is drawn out, and the body portion 18 of the bag body 2 is expanded.

  By the way, in the embodiment shown in the drawing, the upper fixing piece 12 is provided integrally with the upper end portion 8a of the bridging piece 8, and therefore the upper fixing piece 12 is pulled out together with the upper end portion. As a result, the entire joining portion 17 formed in a broken line shape (one-dot chain line shape) is peeled off and the openings 7 are opened all at once. Similarly, since the lower fixing piece 13 is provided at the lower end portion 8b, the entire body 18 to which the lower fixing piece 13 is bonded is expanded so as to expand, and the bag body 2 is opened.

FIG. 3 shows the expanded state of the bag body 2. As a result of this expansion, the folded folds 5 and 5 open the opening 7 to the maximum, so that the cup 4 can be mounted.
FIG. 5 shows a state in which the coffee cup 4 is mounted and set. Here, the connecting pieces 11 of the locking pieces 10 and 10 of the support bodies 3 and 3 before and after being drawn out are hooked on the edge of the cup 4 and between the upper ends of the hanging pieces 9 and 9, The setting is completed across the edge, and hot water can be poured from the open opening 7.

  FIG. 4 illustrates the relationship between each piece associated with the withdrawal of the support 3 in the set state and the relationship between the bag body 2 and the cup 4. As shown here, by pulling out the latching locking pieces 10, 10, the bridging piece 8 lifts the central portion 8 c from the surface portion 2 a (, 2 b) of the bag body via the hanging pieces 9, 9, and as a result It is shown that the tensile force is directly transmitted to the upper end portion 8a and the lower end portion 8b, and that the edge of the cup 4 is sandwiched from the inside and outside by the locking piece 10 and the hanging piece 9.

As described above, when the filter of the present invention is pulled out back and forth in use, the upper and lower ends 8a and 8b are lifted while the bridging piece 8 lifts the central portion 8c by this pulling out. The front and rear surface portions 2a, 2b of the bag body 2 are directly pulled by the portion 8b, whereby the opening 7 can be pulled open in the upper end portion 8a, and the opening 7 is adhered and closed. If it is, the joint portion 17 is peeled off, and the closed state can be opened.
Therefore, according to the present invention, when the support bodies 3 and 3 are pulled back and forth for use, they are provided for mounting on the cup and at the same time forcibly open the opening 7 of the bag body. Therefore, even when this is sealed by the joint portion 17, it can be opened simultaneously in conjunction with it, and can be used as it is.

  In addition, since the withdrawal of the supports 3 and 3 leads to the opening of the opening 7 and spreads in accordance with the width of the opening, the support is not pulled out forcibly, so that it is shredded, etc. Thus, the problem that it is damaged can be prevented.

  By the way, in the drawing, the joint portion 17 of the opening 7 is formed in the shape of an alternate long and short dash line (broken line) along the upper edges of the surface portions 2a and 2b as described above. Alternatively, the cross-linked pieces may be joined in the form of dots corresponding to the joining points of the upper end portions of the cross-linked pieces. In short, the joint portion 17 may be any member that can close the opening portion 7 and prevent the contents from coming out, and at the same time, when the support members 3 and 3 are opened, an extra load is applied to each piece. In particular, it is convenient and sufficient if it does not hit the cross-linked piece 8.

  In addition, it forms between these by having formed the reinforcement superposition | polymerization part 6 and 6 along the upper edge part of the surface parts 2a and 2b, and having fastened the upper fixing piece 12 along this superposition part. Although the required rigidity is given to the opening 7, the filter of the present invention can prevent the edge from sagging when pouring hot water at the time of opening. On the other hand, when closing this, if the front and rear upper edges are brought close to each other and brought into contact with each other, it is possible to easily close the opening 7 and close the opening. Therefore, in the case of joining, even if the joining portion 17 is formed in a dot shape as described above, a sufficiently sealed state can be created, and the contents, that is, the to-be-extracted material can be prevented from flowing out. It will be possible.

  As mentioned above, although the filter of the present invention was explained about the filter of coffee, this filter can be used as a filter for tea leaves such as black tea and green tea, as well as for tea, green tea, etc. Needless to say, these are the objects of the practice of the present invention.

DESCRIPTION OF SYMBOLS 1 Simple filter which concerns on this invention 2 Bag main body 2a, 2b Surface part before and after forming a bag main body 3 Support body 4 Coffee cup used as a container 5 Coffee cup provided in the side part of a bag main body 6 Along the opening part of a bag main body Reinforced polymerization part formed by folding the filter 7 Opening part of the bag body 8 Cross-linked piece of support 8a Upper end part of cross-linked piece 8b Lower end part of cross-linked piece 8c Intermediate part of the length of cross-linked piece 9 Suspended piece of support 10 Supporting latching piece
DESCRIPTION OF SYMBOLS 11 Connection piece which connects latching latching piece 12 Upper fixed piece of support body 13 Lower fixed piece of support body 14 Reinforcement piece 15, 16 Adhesive part which fixes a support piece with respect to the front and back surface part of a bag main body 17 Opening part 18 The body part of the bag body

Claims (9)

An opening portion serving as a pouring port is formed between the upper edge portions of the front and rear surface portions that can be folded into a contact surface shape, and the opening portion is sealed in advance so as to prevent the extracted material contained therein from being spilled out. Coffee or the like comprising: a filter bag main body made of a sheet; and a sheet support body that is fixed to the front and rear surface portions and hooked to the opening of the cup-shaped container to support the bag main body. A simple filter of
The support body has an upper end fixed to a central portion of an upper edge portion facing the opening to be sealed in front and rear surface portions of the bag body, and a lower end portion fixed to a central portion of the trunk portion of the bag body. the crosslinking pieces to non-adhesive intermediate portion of the length disposed longitudinally along a central portion of the front and rear face, by extending the piece suspended upward from the side edge portion of the intermediate portion of the bridge piece Te, further to extend the downward pawl in place locking engagement piece folded shape configured along the outer edge from the upper end of the hanging piece, flat the respective pieces constituting the support when not in use And in close contact with the front and rear surface portions of the bag body, while in use, the latching locking piece is pulled away from the front and rear surface portions, and the suspension piece is pulled out along with this work. said intermediate portion of said cross piece connecting the drawers, prior to crosslinking pieces by the drawer Upper end tension in the direction pulling away longitudinal upper edge central portion of the front and rear faces of the bag body that fastened, the lower end of the front when the sealed opening of Kibukuro body to force open simultaneously crosslinking piece simplified filter coffee such as a central portion of the torso portion of the bag body by expanding the body portion pulling in the direction pulling away longitudinal later before was characterized by being adapted to open the interior of the bag body to be fastened.   2. A simple filter for coffee or the like according to claim 1, wherein an upper fixing piece and a lower fixing piece are integrally provided on the upper end portion and the lower end portion of the bridging piece, respectively, and upper edges of the front and rear surface portions of the bag body. The upper fixing piece is fixed along the portion, and the lower fixing piece is fixed to the central portion of the body portion of the bag body, and the support body is fixed to the front and rear surface portions of the bag body. A simple filter for coffee and other features.   The simple filter for coffee or the like according to claim 1 or 2, wherein the bag body is joined so that the inner surfaces facing each other between the upper edge portions of the front and rear surface portions can be easily peeled, and the opening of the bag body A simple filter for coffee or the like, which is characterized by sealing.   The simple filter for coffee or the like according to any one of claims 1 to 3, wherein the bag body folds back each upper edge portion of the front and rear surface portions, and forms a reinforcing overlap portion along the opening edge portion, respectively. Then, the upper end portion of the bridging piece of the support or the upper fixing piece provided on the upper end portion is fixed to the outer surface side of the overlapping portion, and the inner surfaces of the overlapping portion are joined to each other in an easily peelable state and opened. A simple filter for coffee or the like characterized by sealing the part.   5. A simple filter for coffee or the like according to claim 3 or 4, wherein the opening of the bag body is joined linearly along the upper edge of the front and rear surface portions. Type filter.   6. A simple filter for coffee or the like according to claim 5, wherein the joint portion joined linearly along the upper edge of the front and rear surface portions is a discontinuous broken line shape. Type filter.   The simple filter for coffee or the like according to claim 3 or 4, wherein a joining portion for joining the inner surfaces between the upper edge portions of the front and rear surface portions of the bag body is provided at the upper end portion of the bridging piece or the upper end portion. A simple filter for coffee or the like, which is provided in the central portion of the upper fixed piece or in the vicinity thereof.   The simple filter for coffee or the like according to any one of claims 2 to 7, wherein the upper fixed piece fixed along the upper edge of the front and rear surface portions of the bag body is front and rear at both left and right ends. In addition to forming a length that reaches the side edge of each surface portion, a reinforcing piece is extended from each end portion along the side edge portions of the front and rear surface portions, and these are integrally fixed to the surface of each surface portion. A simple filter for coffee etc.   9. A simple filter for coffee or the like according to claim 8, wherein the reinforcing piece has a length such that the lower end does not exceed the fixing position of the lower fixed piece of the support.

Images