JP6867693B2 - Packaging sheet for PTP and PTP packaging using this - Google Patents

Description

The present invention relates to a packaging sheet for PTP used as a lid material for closing the opening of a recess formed in a container body, and a PTP packaging body using the same.

Conventionally, in order to regulate the counterfeiting of pharmaceuticals and the like and distribution to the market, a plurality of technologies have been proposed in which the PTP package has an anti-counterfeiting function so that it can be determined whether the pharmaceuticals are genuine or counterfeit products. ..

For example, as disclosed in Patent Document 1, a PTP package having a container body (bottom material) formed of a plastic sheet and a lid material formed of aluminum foil attached to the container body. There was a PTP package having a convex lens assembly portion in which a plurality of convex lens-shaped protrusions were formed on the outer surface of the container body, and a pattern portion in which a plurality of patterns were arranged on the container body side of the lid material. In this PTP package, the pattern can be viewed stereoscopically from the outside, and the shape, size, position, etc. of the three-dimensional moire pattern appear to change by changing the viewing angle. Since the appearance of this pattern cannot be easily imitated, it is possible to determine whether it is a genuine product or a counterfeit product by determining the pattern of the pattern in advance.

Further, as disclosed in Patent Document 2, a lattice pattern (identification information) is engraved on the surface of the lid material heat-bonded to the container body with a heat-bonding mold, and the lattice portion of the lattice pattern is the first. There was a PTP package with a missing part that was difficult for the three parties to recognize. It is possible to determine whether the PTP package is a genuine product or a counterfeit product by checking the presence or absence of the missing portion and the arrangement of the missing portion.

JP-A-2015-91718 Japanese Unexamined Patent Publication No. 2005-289437

In the PTP package of Patent Document 1, since a convex lens assembly is formed on the container body, it is necessary to modify an existing mold for molding the container body or to manufacture a new mold, which is troublesome. It costs money. As for the PTP package of Patent Document 2, it is troublesome because it is necessary to modify the heat bonding mold or newly manufacture each time when a missing portion is provided in the lattice pattern or the shape of the missing portion is changed. It costs money.

The present invention has been made in view of the above background technology, and an object of the present invention is to provide a packaging sheet for PTP capable of easily and inexpensively imparting an excellent anti-counterfeiting function, and a PTP packaging body using the same. ..

The present invention is a sheet material used as a lid material for closing the opening of a recess formed in a container body, and the surface side is pressed by a heat-bonding die in which a regularly continuous engraving pattern is formed. A packaging sheet for PTP in which the back surface side is heat-bonded to the flange portion of the container body to form a PTP packaging body, which is provided on the front surface side of the aluminum foil as a base material and is regularly continuous. A pattern layer on which the pattern is formed, a heat-resistant coating layer covering the front surface side of the pattern layer, and a layer covering the back surface side of the aluminum foil, which are welded to the flange portion of the container body by heating. When the heat-sealing layer is provided and pressed by the heat-bonding die to be heat-bonded to the flange portion, the engraved pattern is formed on the surface side, and the engraved pattern and the pattern pattern overlap with each other to moire. It is a packaging sheet for PTP in which a pattern appears. The moire pattern is generated when the engraved pattern and the continuous direction of the pattern pattern intersect each other, or when the pitches of the engraved pattern and the pattern pattern are different.

The pattern pattern and the engraved pattern are lattice patterns, and the lattice pattern of each pattern has a configuration in which the intersection angles of a plurality of straight lines constituting each lattice are different from each other. Alternatively, the pattern pattern and the engraved pattern may be a lattice pattern, and the lattice pattern of each pattern may have a configuration in which the pitches of a plurality of straight lines forming the lattice are different from each other.

An information printing unit may be provided between the pattern layer and the heat-resistant coating layer.

Further, in the present invention, any of the above-mentioned packaging sheets for PTP is heat-bonded to the flange portion of the container body, and the engraved pattern and the pattern pattern of the heat-bonding mold are formed on the surface side of the packaging sheet. It is a PTP package in which moire patterns appear on top of each other.

According to the packaging sheet for PTP of the present invention and the PTP packaging body using the same, by providing a predetermined pattern on the packaging sheet, the PTP packaging body can easily display a moire pattern that is difficult to forge. it can. In addition, since it is not necessary to modify various molds that have been used conventionally or to manufacture a new mold, the burden of cost can be significantly reduced.

It is a front view (a) and AA sectional view (b) which shows one Embodiment of the PTP package of this invention. It is a packaging sheet used as a lid material of the PTP packaging body of this embodiment, and is the enlarged sectional view which shows one Embodiment of the packaging sheet for PTP of this invention. It is a figure which shows the general PTP package manufacturing apparatus. It is a top view which shows the structure of the sealing apparatus provided in the PTP package manufacturing apparatus of FIG. It is a figure (a) which shows an example of the pattern pattern of a packaging sheet, the figure (b) which shows an example of the engraving pattern of a heating roll, and the figure (c) which shows the moire pattern which appears on the PTP package by overlapping. It is a figure (a) which shows another example of the pattern of the packaging sheet, the figure (b) which shows an example of the engraving pattern of a heating roll, and the figure (c) which shows the moire pattern which overlaps and appears in a PTP package. It is an enlarged cross-sectional view (a), (b) which shows the modification of the package for PTP.

Hereinafter, an embodiment of the packaging sheet for PTP of the present invention and the PTP packaging body using the same will be described with reference to the drawings. In the PTP package 10 of this embodiment, as shown in FIG. 1, a container 14 for a drug or the like is placed in a recess 12a formed in the resin container body 12, and a lid material is used as a flange portion 12b of the container body 12. The opening of the recess 12a is closed by sticking to. The packaging sheet 16 according to the embodiment of the present invention is used as the lid material.

As the material of the container body 12, for example, polyvinyl chloride resin (PVC resin), polypropylene resin (PP resin), polyethylene terephthalate resin (PET resin) and the like can be used. The container body 12 is manufactured, for example, by preparing a flat resin sheet, embossing the inside thereof to process the band-shaped container sheet 12x, and then punching the container sheet 12x into the outer shape of the container body 12.

As shown in FIG. 2, the packaging sheet 16 is made of a strip-shaped lid material sheet 16x in which a plurality of layers are laminated on both sides of an aluminum foil 18 as a base material, and the lid material sheet 16x is used as the outer shape of the container body 12. Manufactured by punching. On the surface side of the aluminum foil 18, a pattern layer 20 is provided in which the pattern pattern 20a is covered with the synthetic resin 20b. The pattern pattern 20a displays a regularly continuous lattice pattern, and is formed by, for example, printing an ink in which a pigment for coloring is mixed with a vinyl chloride resin by a gravure coating method or the like and drying the ink. To. As the synthetic resin 20b, for example, a coating agent containing an epoxy resin, nitrocellulose, or an acrylic resin as a main component can be used. The lattice pattern of the pattern pattern 20a will be described in detail later.

The surface side of the pattern layer 20 is covered with a transparent or translucent heat-resistant coat layer 22. Since the heat-resistant coat layer 22 is heated when the packaging sheet 16 is heat-bonded to the container body 12, for example, a heat seal bar at 190 to 230 ° C. ^{pressurizes the heat-resistant coat layer 22 for 3 kg / cm for 2} or 2 seconds to obtain a surface condition. Heat resistance is required to satisfy conditions such as no change in discoloration, carbonization, stickiness, etc. Therefore, the heat-resistant coating layer 22 is preferably a coating agent containing an epoxy resin, nitrocellulose, or an acrylic resin as a main component.

The back surface side of the aluminum foil 18 is covered with the heat seal layer 24. The heat seal layer 24 is a layer that is welded to the flange portion 12b of the container body 12 when the packaging sheet 16 is heat-bonded to the container body 12, and a material capable of satisfactorily adhering the container body 12 and the aluminum foil 18 is selected. To. Good adhesion in this embodiment means peeling of ^{0.6 to 1 kg / m 2} or more when heat-bonding is performed by applying pressure of 2 to 3 kg / cm2 for 1 sec using a heat seal bar at 140 to 160 ° C. Refers to the case where strength can be obtained. For example, when the material of the container body 12 is a polyvinyl chloride resin (PVC resin), the material of the heat seal layer 24 is preferably a mixture of a polyvinyl chloride resin (PVC resin) and a polyester resin. When the material of the container body 12 is polypropylene resin (PP resin), it is preferable that the material of the heat seal layer 24 is also polypropylene resin (PP resin). When the material of the container body 12 is polyethylene terephthalate resin (PET resin), the material of the heat seal layer 24 is also preferably polyethylene terephthalate resin (PET resin).

The work of attaching the packaging sheet 16 to the container body 12 is performed by, for example, the PTP packaging body manufacturing apparatus 26 shown in FIG. When the container sheet 12x and the lid material sheet 16x are set in the PTP package manufacturing apparatus 26, the container sheet 12x is pulled by a transfer device (not shown), and after the inclusion 14 is placed in the recess 12a by the inclusion filling device 28. , Is sent to the sealing device 30. Further, the lid material sheet 16x is pulled by a transfer device (not shown) and sent to the sealing device 30.

The sealing device 30 superimposes the container sheet 12x and the lid material sheet 16x, passes them between the heating roll 32 and the receiving roll 34, and heat-bonds them to each other. The heating roll 32 is a so-called heat-bonding mold, and heats the lid material sheet 16x while pressing the surface (the surface on the heat-resistant coat layer 22 side) with the peripheral surface. The receiving roll 34 holds the surface of the flange portion 12b of the container sheet 12x on the side where the recess 12a protrudes, and receives the pressing force from the heating roll 32.

As shown in FIG. 4, a regular continuous lattice pattern engraving pattern 32a is provided on the peripheral surface of the heating roll 32 in order to firmly heat-adhere the lid material sheet 16x to the surface of the container sheet 12x. Therefore, when the lid material sheet 16x is heat-bonded to the flange portion 1b of the packaging sheet 12x, an engraved pattern 32a is formed on the surface side of the lid material sheet 16x. In the lattice pattern of the engraved pattern 32a, the intersection angle of a plurality of straight lines constituting the lattice is set to, for example, about 90 degrees.

After that, the container sheet 12x and the lid material sheet 16x are pulled by a transfer device (not shown) and sent to the punching device 36, and punched into the outer shape of the PTP package 10 (container body 12 and the packaging sheet 16) by the punching device 36.

Next, the detailed layout of the pattern pattern 20a of the packaging sheet 16 and its operation will be described. As described above, both the pattern pattern 20a and the engraved pattern 32a are regularly continuous lattice patterns. However, as shown in FIGS. 5A and 5B, in the pattern pattern 20a, the intersection angle of the plurality of straight lines forming the grid is set to a value different from that of the engraved pattern 32a (for example, about 70 degrees). .. The distance between the straight lines is the same as that of the engraved pattern 32a, but due to the difference in the crossing angle, the pattern pattern 20a and the engraved pattern 32a form regular patterns with different pitches. Then, in the state of being assembled on the PTP package 10, the engraved pattern 32a and the pattern pattern 20a overlap each other, so that the moire pattern 38 as shown in FIG. 5C appears on the surface side of the packaging sheet 12.

The pattern pattern 20a may be changed as shown in FIG. 6A. In FIG. 6A, the pitch, which is the interval between the plurality of straight lines forming the grid, is set to a value larger than the marking pattern 32a (for example, about 1.1 times). The crossing angle of the grid is the same as that of the engraved pattern 32a. Due to the difference in the spacing between the straight lines, the engraved pattern 32a and the pattern pattern 20a overlap each other in the state of being assembled on the PTP packaging body 10, and the moire pattern as shown in FIG. 6C is formed on the surface side of the packaging sheet 12. 38 appears.

Note that the pattern pattern 20a of FIG. 6A is different from the pattern pattern 20a of FIG. 5A in that a lattice pattern is not provided at the position of the recess 12a of the container body 12. This makes the position of the recess 12a more clearly visible. However, which layout of FIG. 5A or FIG. 6A can be appropriately selected according to the usage mode of the PTP package 10.

The moire pattern 38 appears due to the difference in the regular pattern pitch between the engraved pattern 32a and the pattern pattern 20a. As described above, when the intersection angle of the pattern pattern 20a and the interval between straight lines are changed, the moire pattern 38 appears. The shape of is also changed. Further, when the color and line width of the pattern pattern 20a are changed, the appearance and impression of the moire pattern 38 also change. The moire pattern 38 is also generated by a striped pattern in which the pattern lines of the engraved pattern 32a intersect.

The heat-resistant coat layer 22 may be transparent or translucent so that the pattern pattern 20a can be seen through, and may be colorless or colored. Therefore, when the color of the heat-resistant coat layer 22 is changed, the appearance and impression of the moire pattern 38 also change. Therefore, the appearance and impression of the moire pattern 38 can be easily changed by changing each factor. This means that the moire pattern 38 cannot be easily forged.

As described above, in the packaging sheet 16 for PTP and the PTP packaging body 10 using the same, the PTP packaging body 10 is counterfeited by providing the packaging sheet 16 with a predetermined pattern pattern 20a (pattern layer 20). The difficult moire pattern 38 can be easily displayed. In addition, since it is not necessary to modify various molds that have been used conventionally or to manufacture a new mold, the burden of cost can be significantly reduced.

The packaging sheet for PTP of the present invention and the PTP packaging body using the same are not limited to the above embodiments. For example, as in the wrapping sheet 40 shown in FIG. 7A, an information printing unit 42 is added between the pattern layer 20 of the wrapping sheet 16 and the heat-resistant coating layer 22, and information such as characters, patterns, and barcodes is added. It may be displayed. The information printing unit 42 can be formed, for example, by printing an ink containing a black pigment, a brown pigment, or the like in a vinyl chloride resin on the surface side of the pattern layer 22 by a gravure coating method or the like and drying the ink.

Further, a white or cloudy solid layer (not shown) as a background of the information printing unit 42 may be added between the pattern layer 20 and the aluminum foil 18. The visibility of the information printing unit 42 can be improved by adding a solid layer of white or cloudy color, and particularly when the barcode is displayed by the information printing unit 42, the accuracy of reading by the barcode reader is improved. be able to.

Further, in the packaging sheet 44 shown in FIG. 7B, a matting agent composed of aggregates of particles is added to the heat-resistant coating layer 22 of the packaging sheet 16, and a part of the matting agent protrudes from the surface to form unevenness 22a. ing. By providing the uneven portion 22a, the irradiation light and the reflected light are scattered and the appearance and impression of the moire pattern 38 are changed.

The engraving pattern of the heat-bonding die is generally a lattice pattern, but a pattern other than the lattice pattern may be used as long as it is a regularly continuous pattern. Further, the pattern pattern of the packaging sheet may be a pattern that is regularly continuous and a moire pattern appears overlapping with the engraved pattern. In addition to the lattice pattern in which straight lines intersect each other, parallel line lattice stripes and dots It may be a pattern, a honeycomb pattern, a zigzag pattern, a check pattern, a diamond pattern, or the like, and may be a pattern different from the engraved pattern.

In the case of the packaging sheet 16 shown in FIGS. 5 (a) and 6 (a), the pattern pattern 20a is moire in almost all areas where the engraved pattern 32a is formed (areas other than the position of the recess 12a of the container body 12). The layout is such that the pattern 38 appears, but if it is possible to determine whether or not the pattern is counterfeit, the layout may be such that the moire pattern appears only in a part of the area.

Needless to say, the configuration of the PTP package manufacturing apparatus is not limited to the configuration of the PTP package manufacturing apparatus 26 described above. For example, the heat-bonding die may have a form other than the above-mentioned heating roll 32, and for example, a flat plate-shaped press die may be used.

10 PTP packaging 12 Containers 16, 40, 44 Packaging sheet 18 Aluminum foil 20 Pattern layer 20a Pattern pattern 22 Heat-resistant coating layer 22a Concavo-convex part 24 Heat-sealing layer 32 Heat roll (mold for heat bonding)
32a engraved pattern 38 moire pattern

Claims (5)

A sheet material used as a lid material for closing the opening of a recess formed in a container body. The front side is pressed by a heat-bonding die in which a regularly continuous engraving pattern is formed, and the back side is the container. In a packaging sheet for PTP that is heat-bonded to the flange of the body to form a PTP package.
An aluminum foil as a base material, a pattern layer provided on the surface side of the aluminum foil and having a regularly continuous pattern formed, a heat-resistant coating layer covering the surface side of the pattern layer, and the aluminum foil. A layer that covers the back surface side and includes a heat seal layer that is welded to the flange portion of the container body when heated.
When pressed by the heat-bonding mold and heat-bonded to the flange portion, the engraved pattern is formed on the surface side, and the engraved pattern and the pattern pattern overlap to appear a moire pattern. Packaging sheet for PTP. The packaging sheet for PTP according to claim 1, wherein the pattern pattern and the engraved pattern are lattice patterns, and the lattice patterns of the respective patterns have different crossing angles of a plurality of straight lines constituting each lattice. The packaging sheet for PTP according to claim 1 or 2, wherein the pattern pattern and the engraved pattern are lattice patterns, and the lattice patterns of the respective patterns have different pitches of a plurality of straight lines constituting the lattice. The packaging sheet for PTP according to any one of claims 1 to 3, wherein an information printing unit is provided between the pattern layer and the heat-resistant coating layer. The packaging sheet for PTP according to any one of claims 1 to 4 is heat-bonded to the flange portion of the container body, and the engraved pattern and the pattern pattern of the heat-bonding mold are formed on the surface side of the packaging sheet. A PTP package characterized in that moire patterns appear on top of each other.

Images