JP4344429B2 - New type cataplasm and its manufacturing method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to, for example, a new type of poultice used by adhering to the skin of an affected area, and in particular, a new type with an adhesive tape provided with an adhesive tape on the poultice for preventing the displacement of the poultice when the adhesive is used. The present invention relates to a poultice and a method for producing the same.
[0002]
[Prior art]
The poultice used by adhering to the skin of the affected part has been used by further adhering the adhesive tape from above the poultice in order to prevent the poultice from slipping and falling off during adhesion. For this reason, there are products that sell individual adhesive tapes that match the size and shape of the poultice, or that are sold as an appendix to the poultice. However, it is troublesome to further adhere the adhesive tape after adhering the poultice, and there are many failures in which the adhesive tape is displaced and adhered to the poultice.
[0003]
For this reason, Japanese Patent No. 2594155 has been proposed as a continuous production of a poultice with an adhesive tape in which a poultice is already held in the center of the adhesive tape at the time of product.
[0004]
On the other hand, there are many cases where a poultice such as a finger is cut and stuck to an affected part, and there is a demand for a small-sized poultice.
[0005]
[Problems to be solved by the invention]
However, when the dressing is cut to reduce the size, the paste sometimes protrudes from the cut portion while it is stuck, and the clothes may be soiled. Moreover, in order to produce a small-sized cataplasm, a release liner, a support and an adhesive sheet corresponding to this size are required. In many cases, since the production is performed continuously, a roll that continuously discharges a release liner, a support, and an adhesive sheet corresponding to a small size is necessary.
[0006]
The present invention is easy to manufacture even if the size is smaller than the conventional cataplasm, prevents the plaster from sticking out, has excellent adhesion to the skin, has a good feeling of use, and has a misalignment or end of the patch when applied. The purpose is to obtain a new type of poultice that prevents the parts from turning and falling off.
[0007]
Further, in the present invention according to the method, when producing a size smaller than the conventional cataplasm, a conventional cataplasm support, a release liner, and an adhesive sheet can be used. It aims at obtaining the manufacturing method which can obtain the new type cataplasm which was prevented from protruding.
[0008]
[Means for Solving the Problems]
A new type of poultice according to the invention described in claim 1 comprises a cataplasm having a plaster layer formed on a support,
A pressure-sensitive adhesive sheet provided so that the pressure-sensitive adhesive surface protrudes along the opposing peripheral edges of the outer periphery of the cataplasm;
A release liner covering the plaster layer surface of the poultice and the adhesive surface of the adhesive sheet;
A pressing peripheral edge thinner than the thickness of the plaster layer is formed by pressing from the upper surface of the support toward the release liner on the periphery of the support other than the peripheral edge where the adhesive surface of the pressure-sensitive adhesive sheet protrudes.
[0009]
The new type poultice according to the invention described in claim 2 is the new type poultice according to claim 1,
The release liner is formed with a cut for dividing the release liner.
[0010]
The new-type poultice according to the invention described in claim 3 is the new-type poultice according to claim 1 or 2,
The external shape of the cataplasm forming the plaster layer on the support has a substantially rectangular shape with a length of 4 to 9 cm and a width of 6 to 13 cm.
[0011]
In the new type poultice according to any one of claims 1 to 3, the new type poultice according to the invention described in claim 4 is:
The pressing peripheral edge is formed to have a width of 3 to 10 mm.
[0012]
The method for producing a new type of poultice according to the invention described in claim 5 includes a laminating step of laminating a support on a release liner via a paste layer,
Punching process for punching into a shape in which a plurality of laminates of the support and the paste layer are formed leaving the release liner;
A removal step of removing the excess support and paste other than the punched shape from the release liner;
A pressure sensitive adhesive sheet forming step of bonding a pressure sensitive adhesive sheet to the exposed surface of the release liner from which the excess support and paste have been removed;
A subdivision cutting step of subdividing and cutting into a predetermined width and cutting into a plurality of rows formed in the punching step ;
Placing the plaster layer thickness of the pressed portion by pressing the portions to be cut in the subdivision cutting process from the upper surface of the support toward the release liner in a plurality of rows in which a laminate of the support and the paste layer is formed. This is a method further comprising a pressing step for reducing the thickness .
[0014]
The method for producing a new type of poultice according to the invention described in claim 6 is the method for producing a new type of poultice according to claim 5,
The method further comprises a step of forming a cut in the release liner to sever the release liner.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, a poultice having a plaster layer formed on a support, an adhesive sheet provided so that an adhesive surface protrudes along the peripheral edge of the outer periphery of the poultice, and the poultice A release liner that covers the surface of the plaster layer and the adhesive surface of the adhesive sheet, and a pressing peripheral portion that is thinner than the thickness of the plaster layer is provided on the periphery of the support other than the peripheral portion of the adhesive sheet protruding from the adhesive sheet. Is formed. As a result, even if the size is smaller than the conventional cataplasm, it is easy to manufacture, prevents the plaster from sticking out, has excellent adhesion to the skin, has a good feeling of use, and has a gap in the patch at the time of application. Turn over and prevent falling out.
[0016]
That is, in the poultice with adhesive tape of the present invention, the adhesive sheet is provided so that the adhesive surface protrudes at least at the periphery of the facing catoptric agent, and the adhesive layer thickness is not larger than the paste layer thickness at the adhesive agent peripheral area. A thin presser peripheral edge is formed. Even if the pressure-sensitive adhesive sheet does not overhang, the pressing peripheral edge portion prevents the plaster from escaping.
[0017]
As the pressing peripheral edge of the present invention, preferably, in the manufacturing process, before the subdivision cutting process, the part to be cut in the subdivision cutting process is thinned so that the thickness of the paste layer is reduced. It is formed by pressing a laminated body of layers and a support in the release sheet direction from the support. In a preferred embodiment of the present invention, the pressing peripheral edge is formed to have a width of 3 to 10 mm.
[0018]
In addition, the plaster layer of the patch with adhesive tape of the present invention contains a drug that is directly effective on the skin and a drug that is effective locally or on the whole body due to longitude absorption in a base such as a solid agent or adhesive. Chosen from.
[0019]
Specific examples of active agents contained in the plaster layer include analgesic / antiinflammatory agents such as indomethacin, ketoprofen, flurbiprofen, ibuprofen, piroxicam, methyl salicylate, glycol salicylate, 1-menthol, dl-camphor, There are nonylic acid walynyl acid, capsaicin and various herbal medicines, and coronary vasodilators include nitroglycerin, nifedipine, isosorbide nitrate and the like. Other drugs include clonidine, kallikrein (antihypertensive), corticosteroids, and antibacterial agents.
[0020]
Examples of solid / adhesives contained in the plaster layer include cellulose derivatives such as sodium carboxymethylcellulose, sodium methylcellulose, hydroxypropylcellulose, carboxyvinyl polymer, polyvinyl alcohol, polyvinyl ether, sodium alginate, polyacrylic. Thickeners such as sodium acid, polyacrylic acid, polyvinylpyrrolidone, ammonium alginate, polyethylene oxide, gelatin, pectin, soluble starch, dextrin, natural rubber, synthetic rubber, silicone resin, styrene-isoprene / styrene block copolymer , Polyvinyl ether-based and polyester-based pressure-sensitive adhesives.
[0021]
Further, humectants used as needed include glycerin, propylene glycol, sorbitol, ethylene glycol, butylene glycol and the like.
[0022]
In addition, the support of the present invention serves to apply and hold the plaster layer, and it is in close contact with the drug, prevents the back of the drug from being stretched, and improves stretchability and ventilation. Good quality and texture are used. Specific examples thereof include flannel, woven fabric, knitted fabric, non-woven fabric, and plastic film. In addition, since there is a punching process in the process of the manufacturing method according to the present invention, the shape can be freely formed as rounded corners, slits and the like.
[0023]
Furthermore, the pressure-sensitive adhesive tape of the present invention is provided so as to protrude along at least the opposing peripheral edges of the outer periphery of the poultice to bring the plaster layer closer to the skin. As a specific material for the adhesive tape, a highly air-permeable material such as a nonwoven fabric or a plastic film is used, and a structure having a fine air hole or a large air hole at the center can be taken.
[0024]
Specific examples of the adhesive for the adhesive tape include acrylic ester-based, natural / synthetic rubber-based, and styrene-isoprene-styrene block polymer-based adhesives that are less susceptible to skin fogging. .
[0025]
The release liner of the present invention is selected from materials that can be easily peeled off when the adhesive layer and the adhesive surface of the adhesive tape are used. Examples thereof include plastic films such as polyethylene, polyester, polypropylene, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyacrylate, nylon, polyamide, cellophane, polyurethane, and ethylene-polyvinyl alcohol copolymer, and paper. In order to facilitate peeling, the release liner surface is preferably subjected to surface treatment such as silicon treatment.
[0026]
According to a preferred example of the present invention, a cut is formed in the release liner that divides the release liner. The cut shape, the cutting position, and the direction are not limited as long as the cut is at least one and the release liner itself is cut. For example, the center of the cataplasm, a cut in a straight line in a direction parallel to the peripheral edge of the facing part where the adhesive sheet protrudes, a cut in a waveform, a cut in a chevron, and the like.
[0027]
According to the present invention, the size of the new type cataplasm of the present invention can be set to a size corresponding to 1/2, 1/3... 1 / n (integer) of the longitudinal or lateral length of the conventional cataplasm. In a specific preferred example of the present invention, the external shape of the poultice having a plaster layer formed on the support is a substantially rectangular shape having a length of 4 to 9 cm and a width of 6 to 13 cm.
[0028]
In the present invention, as a manufacturing method for facilitating making the size corresponding to 1/2, 1/3... 1 / n (integer) of the vertical or horizontal length of this conventional cataplasm, A bonding step of bonding a support through a body layer, a punching step of punching a laminate of the support and a paste layer to form a plurality of rows leaving the release liner, and other than the punching shape A removal step of removing the excess support and paste from the release liner, a pressure-sensitive adhesive sheet forming step of bonding an adhesive sheet to the exposed surface of the release liner from which the excess support and paste have been removed, and A subdivision cutting step for performing subdivision cutting for cutting into a predetermined width as well as for each of a plurality of rows formed in the punching step.
[0029]
Preferably, a plurality of rows in which a laminated body of the support and the paste layer is formed further includes a pressing step for reducing the thickness of the paste layer at a portion that is to be cut in the subdivision cutting step.
[0030]
More preferably, the method further includes a step of forming a notch for dividing the release liner in the release liner.
[0031]
【Example】
FIG. 1 is an explanatory view showing the constitution of an embodiment of the new type cataplasm of the present invention. 2 is a cross-sectional view taken along the line AA in FIG. As shown in the figure, the poultice with adhesive sheet (10) includes a rectangular catapult (13) in which a paste layer (12) is formed on the lower surface side of the support (11).
[0032]
There is an adhesive sheet (14) covering the entire upper surface of the support (11) so that the adhesive surface protrudes along the opposing short sides of the rectangular poultice (13). On the lower surface side of the poultice (13), a release liner (15) is coated on the surface of the plaster layer (12) and the adhesive surface of the adhesive sheet (14).
[0033]
On the long sides facing the rectangular cataplasm (13), a pressing peripheral edge (16) having a reduced thickness of the plaster layer (12) is formed. Further, as shown by the broken line, the release liner (15) is formed with a wavy notch (17).
[0034]
The patch (10) with the adhesive sheet shown in the figure has a dimension of the patch (13) of 7.5 cm in length and 5.5 cm in width, and the overhang of the adhesive sheet (14) is 6 mm longer in the vertical direction. put out. Moreover, the holding | maintenance peripheral part (16) is 3 mm. This corresponds to 1/2 of the vertical and horizontal length of a conventional cataplasm (15 cm × 11 cm). A method for producing this poultice with adhesive sheet (10) is shown below.
[0035]
Drawing 3 is an explanatory view showing a part of manufacturing process of one example of a cataplasm with a pressure sensitive adhesive sheet of the present invention. Figure a is an explanatory view showing the bonding process, pressing process and punching process, Figure b is a plan view of what was obtained in the bonding process, and Figure c is a plan view of what was obtained in the pressing process. , D is a plan view of what was obtained in the punching process.
[0036]
As shown in the figure, the plaster layer (22) is spread and applied on the strip-shaped release liner (25) continuously discharged from the release liner roll (31), and continuously from the support roll (32) from above. The belt-like support (21) to be discharged is bonded together, and the belt-like poultice (23) is conveyed.
[0037]
By pressing the belt-shaped cataplasm (23) conveyed downstream to the release liner (25) from the upper surface of the support (21) at a constant interval in the direction perpendicular to the flow by the pressing roll (33). The peripheral edge (26) is conveyed while being formed. By this pressing, the plaster layer (22) between the support (21) and the release liner (25) moves, and the thickness of the plaster layer (22) at the pressed portion is reduced.
[0038]
Further, a laminate of the support (21) and the paste layer (22) is formed in two rows by the half-cut roll (34) on the belt-shaped poultice (23) to be conveyed, leaving the release liner (25). Punched into shape. In the present embodiment, the laminated body of the support (21) and the plaster layer (22) is disclosed as being formed in two rows, but it may be three rows or even four rows.
[0039]
FIG. 4 is an explanatory view showing a part of the manufacturing process subsequent to FIG. a figure is an explanatory view showing a removal process, an adhesive sheet formation process, and a subdivision cutting process, b figure is a top view of what was obtained at the removal process, and c figure is a plane of what was obtained at the adhesive sheet formation process FIG. D is a plan view of the material obtained in the subdivision cutting process.
[0040]
As shown in the figure, an extra support (21a) and a paste layer (22a) other than the shape punched into a shape in which a laminate of the support (21) and the paste layer (22) is formed in two rows, Is removed from the release liner (25) being conveyed while being taken up by a take-up roll (35).
[0041]
The adhesive sheet (24) discharged from the adhesive sheet roll (36) is placed below the adhesive surface on the exposed surface of the release liner (25) from which the excess support (21a) and the plaster layer (22a) to be conveyed are removed. And paste them together.
[0042]
The laminated body of the support (21) and the plaster layer (22) to which the adhesive sheet (24) is bonded is cut into pieces along the conveyance of the release liner (25). First, it is cut into two rows along the transport direction by the cut roll (37). The cutting position at this time is approximately the center of the two-layered laminate of the support (21) and the plaster layer (22). At this time, a cut is formed in the release liner (25) by the cut roll (38) on the lower surface side. The notch position at this time is approximately the center of the laminated body of each row of the support (21) and the paste layer (22).
[0043]
Further, the laminated belt to be conveyed is cut individually into the stacked bodies in each row by a die roll (39). The cutting position at this time is substantially the center of the pressing peripheral portion (26) formed by the pressing roll (33). Thereby, the patch agent with an adhesive sheet equivalent to 1/2 of the vertical and horizontal length of the conventional patch agent can be obtained.
[0044]
As described above, by using a release liner, a support, and a pressure-sensitive adhesive sheet that are used in a conventional poultice, a plurality of rows at the time of production have a conventional vertical or horizontal length of 1/2, 1/3,. A poultice having a size of 1 / n (integer) can be obtained.
[0045]
Thereby, the degree of freedom after sticking is high, the adhesiveness to the skin and the feeling of use are good, and the poultice which can be stuck to a small affected part can be obtained. Further, since the pressure-sensitive adhesive sheet is formed so as to protrude from the peripheral edge portions of the patch facing each other, it is possible to prevent the patch from being displaced, the end portion being turned up, and dropping off.
[0046]
Furthermore, since the pressing peripheral edge portion where the plaster layer thickness is thin is formed at the edge portion where the adhesive sheet does not protrude, it is possible to prevent the plaster from protruding. Moreover, since the cut-out is formed in the release liner, it is possible to obtain a poultice with a pressure-sensitive adhesive sheet having effects such as easy adhesion.
[0047]
【The invention's effect】
As described above, the present invention is easy to manufacture even if the size is smaller than the conventional cataplasm, prevents the plaster from protruding, has excellent adhesion to the skin, has a good feeling of use, and has a patch when applied. A new type of poultice can be obtained that prevents misalignment, curling of the end, and falling off.
[0048]
Further, in the present invention according to the method, when producing a size smaller than the conventional cataplasm, a conventional cataplasm support, a release liner, and an adhesive sheet can be used. There is an effect that it is possible to obtain a new type poultice that is prevented from protruding.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view showing a configuration of an embodiment of a cataplasm with a pressure sensitive adhesive sheet of the present invention.
FIG. 2 is a cross-sectional view taken along the line AA of FIG.
FIG. 3 is an explanatory diagram showing a part of the manufacturing process of an embodiment of a cataplasm with adhesive sheet of the present invention. Figure a is an explanatory view showing the bonding process, pressing process and punching process, Figure b is a plan view of what was obtained in the bonding process, and Figure c is a plan view of what was obtained in the pressing process. , D is a plan view of what was obtained in the punching process.
4 is an explanatory diagram showing a part of the manufacturing process subsequent to FIG. 3. FIG. a figure is an explanatory view showing a removal process, an adhesive sheet formation process, and a subdivision cutting process, b figure is a top view of what was obtained at the removal process, and c figure is a plane of what was obtained at the adhesive sheet formation process FIG. D is a plan view of the material obtained in the subdivision cutting process.
[Explanation of symbols]
(10)… Patch agent with adhesive sheet (new type)
(11) (21) ... Support,
(12) (22) ... plaster layer,
(13) (23) ...
(14) (24)… Adhesive sheet,
(15) (25) ... Release liner,
(16) (26) ...
(17)… notches,
(21a)… support (extra),
(22a)… plaster layer (extra),
(31) ... release liner roll,
(32)… support roll,
(33)… Presser roll,
(34)… Half cut roll,
(35)… take-up roll,
(36) ... Adhesive sheet roll,
(37)… Cut roll,
(38)… Cut roll,
(39)… Die roll,

Claims (6)

A poultice having a plaster layer formed on a support;
A pressure-sensitive adhesive sheet provided so that the pressure-sensitive adhesive surface protrudes along the opposing peripheral edges of the outer periphery of the cataplasm;
A release liner covering the plaster layer surface of the poultice and the adhesive surface of the adhesive sheet;
A pressing peripheral portion thinner than the thickness of the plaster layer is formed by pressing from the upper surface of the support toward the release liner on the periphery of the support other than the partial periphery where the adhesive surface of the pressure-sensitive adhesive sheet projects. New type poultice. In the new type poultice according to claim 1,
A new type poultice which is characterized in that a cut for dividing the release liner is formed in the release liner. In the new type poultice according to claim 1 or 2,
A new type of poultice, characterized in that the external form of the poultice having a plaster layer formed on the support is a substantially rectangular shape having a length of 4 to 9 cm and a width of 6 to 13 cm. In the new type poultice according to any one of claims 1 to 3,
A new type of poultice, characterized in that the pressing peripheral edge portion is formed in a width of 3 to 10 mm. A laminating step of laminating a support on a release liner via a paste layer;
Punching process for punching into a shape in which a plurality of laminates of the support and the paste layer are formed leaving the release liner;
A removal step of removing the excess support and paste other than the punched shape from the release liner;
A pressure sensitive adhesive sheet forming step of bonding a pressure sensitive adhesive sheet to the exposed surface of the release liner from which the excess support and paste have been removed;
A subdivision cutting step of subdividing and cutting into a predetermined width and cutting into a plurality of rows formed in the punching step ;
Placing the plaster layer thickness of the pressed portion by pressing the portions to be cut in the subdivision cutting process from the upper surface of the support toward the release liner in a plurality of rows in which a laminate of the support and the paste layer is formed. A method for producing a new type of poultice , further comprising a pressing step for reducing the thickness . In the manufacturing method of the new type poultice according to claim 5,
A method for producing a new type of poultice, further comprising the step of forming a notch for dividing the release liner in the release liner.

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