JP2019014492A - Press-through-pack packaging body - Google Patents

Abstract

To provide a press-through-pack (PTP) packaging body in which a laminate of an easy-to-break film and a surface protective sheet is used as a lid material and the surface protective sheet is easily peelable.SOLUTION: A lid material 20 is constituted by laminating an easy-to-break press-through layer 21 and a hard-to-break surface protective sheet 23 via an adhesive resin layer 22 in an easily peelable manner. Then, a first cut line (a) penetrating a container body 10 and the lid material 20 is provided in a position between content storage recess parts A, and a second cut line (b) is provided on the adhesive resin layer 22 in the vicinity of the first cut line. When a PTP packaging body is folded along the first cut line, the adhesive resin layer in a periphery thereof is broken, and at a cut end part, a gap is formed between the surface protective sheet and the press-through layer. By utilizing the gap, the surface protective sheet can be easily peeled and removed from the press-through layer.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a press-through pack package (PTP package). In particular, the present invention provides a PTP package in which an infant or the like does not inadvertently take out the contents.

  PTP packages are well known, and are widely used, for example, as packages for pharmaceutical tablets and the like.

  This PTP package is as shown in FIGS. 4 is a plan view of the PTP package, and FIG. 5 is a cross-sectional view of an essential part taken along the line 4x'-x 'in FIG.

  That is, the PTP package 100 'is constituted by the container body 10' and the lid member 20 '. The container body 10 'is formed by deep-drawing a soft plastic sheet to form content-containing recesses A'. A large number of these content-containing recesses A 'store solid contents B' such as tablets. A perforation a 'is provided at a position between a large number of these content-accommodating recesses A'. Further, the lid member 20 ′ is made of a film that is easily broken, and the lid member 20 ′ closes the entire large number of content-accommodating recesses A ′. The PTP package 100 ′ can be opened by pressing the solid content B ′ through the lid member 20 ′ by pressing the PTP package 100 ′ with a finger or the like from the bottom of the content receiving recess A ′. Alternatively, it is possible to cut each individual content receiving recess A ′ or each of the plurality of content receiving recesses A ′ by the perforation a ′, and then pierce and open the lid member 20 ′. As the lid member 20 ', an aluminum foil coated with lacquer or cellophane is often used.

  By the way, since this PTP package 100 'can be opened and the solid content B' can be taken out simply by pressing with a finger or the like, its handling is extremely easy. On the other hand, for the same reason, it has been pointed out that, for example, an infant or the like may open and take out the solid content B ', and swallow the solid content B'.

  In order to prevent such an inadvertent accident, Patent Documents 1 to 3 propose a PTP package that requires an additional operation for taking out the solid content B '. These Patent Documents 1 to 3 all use a laminate obtained by laminating a surface protection sheet 23 'that is difficult to break on a film 21' that is easy to break as the lid member 20 '. The protective sheet 23 'is easily laminated. FIG. 6 is a cross-sectional view of the main part.

  Therefore, when opening the PTP package, first, it is necessary to cut each content accommodation recess A ′ or each of the plurality of content accommodation recesses A ′ with a perforation. Next, the surface protection sheet 23 'is peeled and removed. Then, the solid content B 'can break through the lid member 20' and be opened by pressing from the bottom of the content accommodating recess A 'with a finger or the like.

  As described above, this PTP package cannot be opened simply by pressing from the bottom of the content-accommodating recess A ′, and the contents cannot be taken out. Is possible.

Japanese Utility Model Publication No. 62-185262 Japanese Utility Model Laid-Open No. 01-08171 Japanese Utility Model Publication No. 01-156031

  By the way, in the PTP package using the surface protective sheet as described above, when the PTP package is cut at the perforation, the easily breakable film 21 ′ and the surface protective sheet 23 ′ are in close contact with each other at the cut end. Therefore, there is a problem that it is difficult to peel and remove the surface protection sheet 23 ′ from the film 21 ′.

  Then, this invention aims at providing the PTP package which uses the laminated body of the film and surface protection sheet which are easy to fracture | rupture as a cover material, and is easy to peel this surface protection sheet.

That is, the invention according to claim 1 is a container body in which a plastic sheet is deep-drawn to form a large number of content-accommodating recesses, a solid content accommodated in each of the many content-accommodating recesses, In the press-through pack package consisting of a lid that closes the whole of the content-containing recess of
The lid material is configured by easily laminating a press-through layer that is easy to break and a surface protective sheet that is difficult to break through an adhesive resin layer,
The adhesive resin has a cut line (first cut line) penetrating the container main body and the cover material at a position between the plurality of content-accommodating recesses, and in the vicinity of the first cut line. A press-through pack package characterized in that a weakening treatment is applied to a layer.

  Next, the invention described in claim 2 is characterized in that the weakening treatment of the adhesive resin layer comprises a cut line (second cut line) provided in the adhesive resin layer. It is a press through pack package of description.

  Next, according to a third aspect of the present invention, in the press through pack package according to the second aspect, the second cut line comprises a cut line that reaches the adhesive resin layer from the container body. It is.

  Next, the invention according to claim 4 is characterized in that a cut line (third cut line) provided in the container main body and a cut line that does not reach the lid member is provided in a closed curve shape. The press-through pack package according to any one of claims 1 to 3.

  Next, the invention according to claim 5 is the press-through pack package according to claim 4, wherein the third cut line is provided in the vicinity of the end.

  Next, the invention described in claim 6 is characterized in that the press-through layer is composed of a laminate of a plastic film and a sealant layer, and the plastic film is subjected to a weakening treatment. It is a press through pack package in any one of 1-5.

  Next, the invention described in claim 7 is the press-through pack package according to claim 6, wherein the weakening process of the plastic film is a process of providing a plurality of fine holes in the plastic film. It is.

  Next, the invention according to claim 8 is the press-through pack package according to any one of claims 1 to 7, wherein the surface protection sheet has gas barrier properties.

  In the PTP package of the present invention, first, the lid is composed of an easily breakable press-through layer and a hard-to-break surface protective sheet, so that the contents can be taken out by opening the PTP package. Needs to break the press-through layer after peeling off the surface protective sheet. For this reason, inadvertent accidents by infants and the like can be prevented. In addition, although it can also open by peeling off both a press-through layer and a surface protection sheet collectively, this operation | movement is also difficult for an infant etc. similarly.

  Next, in the PTP packaging body of the present invention, a cut line (first cut line) that penetrates the container main body and the lid member is provided at a position between the content-accommodating recesses. Can be cut into a group of content-accommodating recesses divided by individual content-accommodating recesses or first incision lines. By the way, since the weakening treatment is applied to the adhesive resin layer at a position in the vicinity of the first cut line, when the PTP package is folded at the first cut line, the periphery of the first cut line is As a result, the surface protective sheet is lifted from the press-through layer. That is, since a slight gap is formed between the surface protective sheet and the press-through layer at the cut end, the surface protective sheet can be easily peeled and removed from the press-through layer using this gap.

  Next, in the PTP package according to the fourth aspect, all of the numerous content-accommodating recesses included in the PTP package can be opened at once. That is, in this PTP package, a third cut line is provided, and this third cut line is provided in the container body, but does not reach the lid. And since this 3rd cut line is provided in the closed-curve shape, surface protection will be carried out if this pushed-up part is pushed up from the container main body side by making into the pushed-up part the area | region enclosed by this closed-curved 3rd cut line. The entire lid member including the sheet and the press-through layer is peeled off from the container body. And the cover material of the pushed-up part which peeled in this way can be grasped, and all the content accommodation recessed parts contained in a PTP package can be opened collectively. For this reason, it is convenient when a pharmacist or the like dispenses all together. As described above, the third cut line is provided in a closed curve shape. Therefore, the push-up portion surrounded by the third cut line does not reach the end of the PTP package. It is also possible to prevent accidents such as inadvertently peeling off the entire lid material and opening it.

FIG. 1 is a plan view showing a specific example of the PTP package of the present invention. FIG. 2 relates to a specific example of the PTP package of the present invention, FIG. 2 (a) is a cross-sectional view of the main part thereof, and FIG. 2 (b) is a cross-sectional view of the main part showing an unsealing process for opening a part of the content-containing recess. FIG. FIG. 3 relates to a specific example of the PTP package according to the present invention, FIG. 3 (a) is a sectional view of an essential part thereof, and FIG. FIG. FIG. 4 is a plan view showing a conventional PTP package. FIG. 5 is a cross-sectional view of a main part of a conventional PTP package. FIG. 6 is a cross-sectional view of a main part of a conventional PTP package.

  The present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a specific example of the PTP package of the present invention. FIG. 2 (a) is a cross-sectional view of a main part of a portion used when opening a part of the content-accommodating recess, and FIG. 2 (b) is a cross-sectional view of the main part showing the opening process. FIG. 3A is a cross-sectional view of a main part of a portion used when the entire contents-accommodating recess is opened together, and FIG. 3B is a cross-sectional view of the main part showing the opening process.

  The PTP package 100 of the present invention is composed of a container body 10, a solid content B, and a lid material 20.

  The container body 10 is formed by deep drawing a soft plastic sheet to form a large number of content accommodating recesses A. In this example, 8 contents accommodating recesses A in 2 rows and 4 columns are formed.

  The plastic sheet may be of a single layer structure or a multilayer structure. Examples of the single-layer plastic sheet include polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polyamide, and polycarbonate. Alternatively, a multilayer structure may be formed by applying a gas barrier resin such as polyvinylidene chloride (PVDC) or ethylene-vinyl alcohol copolymer (EVOH) to these single-layer plastic sheets. In addition, after drawing, an inorganic vapor deposition film such as silicon oxide or aluminum oxide can be laminated to provide gas barrier properties. Examples of deep drawing include vacuum forming, pressure forming, and press forming.

  Next, the solid content B is accommodated in each of the content accommodating recesses A. For example, pharmaceutical preparations such as tablets, troches, capsules, etc., solid seasonings such as curry roux, chocolate, candy, confectionery, etc. Can be exemplified.

  Next, the lid member 20 closes the whole of the large number of content accommodation recesses A. In this example, since a total of eight content-accommodating recesses A are provided, the container body 10 is heat-sealed so as to close all the 8 content-accommodating recesses A.

  The lid member 20 not only closes the content-accommodating recess A, but is heat-sealed to the container body 10 including the periphery of the container body 10 located around the content-accommodating recess A. Is desirable. When heat sealing is performed including the periphery of the container body 10 as described above, a third slit c is provided in the periphery so as to be described later, and the entire lid member 20 is peeled off at once. It becomes possible to open all of the large number of content-accommodating recesses A at once.

  By the way, the lid member 20 is constituted by three elements, ie, a press-through layer 21 that can be easily broken, an adhesive resin layer 22, and a surface protective sheet 23 that is difficult to break, as essential components.

  The press-through layer 21 and the surface protective sheet 23 are easily laminated with the adhesive resin layer 22 interposed therebetween. For this reason, after the surface protective sheet 23 is peeled and removed, the contents-accommodating concave portion is removed with a finger or the like according to a conventional method. By pressing from the bottom of A, the solid content B can break through the press-through layer 21 and be opened.

  As the press-through layer 21, any film can be used as long as it is an easily breakable film. Further, a laminate in which a sealant layer is laminated on a film that can be easily broken may be used as the press-through layer 21. In this example, a laminate in which a sealant layer 21a is laminated on an easily breakable film 21b is used.

As the easily breakable film 21b, aluminum foil, cellophane, or the like can be used. Moreover, you may use the plastic film which gave the weakening process. As the plastic film, a plastic film having a single layer structure or a multilayer structure can be used. For example, it is a plastic film such as polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polyamide, polycarbonate, or a laminated film in which these are laminated. Examples of the weakening process include a process of perforating many fine holes in these plastic films. This micropore is 1000 μm × 10
It is sufficient that at least one is provided in the area range of 00 μm. Further, the distance between the fine holes may be 100 μm or more, and the average value of 10 points of the distance between the fine holes may be 500 μm or more.

  The weakening process is performed at a position facing the content accommodating recess A, that is, a position where the solid content B is pressed through the press-through layer 21 by pressing from the bottom of the content accommodating recess A. Well, it is not necessary to apply to the entire surface of the plastic film.

  Next, the sealant layer 21a has a role of heat-sealing the container body 10 and closing the content-accommodating recess A. Further, the sealant layer 21a is required not to inhibit easy breakage of the film 21b. For example, this sealant layer 21a can be formed by dispersing and applying polyethylene resin or polypropylene resin in a solvent. Alternatively, the sealant layer 21a may be formed by applying an acrylic heat seal varnish or a vinyl acetate heat seal varnish.

  Next, the surface protection sheet 23 has a function of preventing inadvertent opening by an infant or the like. For this reason, when an infant etc. press from the bottom part of the content accommodation recessed part A, it is necessary to have intensity | strength of a grade which does not fracture | rupture.

  This surface protective sheet 23 can also be constituted by a plastic sheet having a single layer structure or a multilayer structure. For example, it is a resin film such as polyvinyl chloride, polyvinylidene chloride, polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polyamide, polycarbonate, polyvinyl alcohol, ethylene-vinyl alcohol copolymer, or a laminated film in which these are laminated.

  In addition, in order to improve the preservability of the solid content B, it is desirable that the surface protective sheet 23 has gas barrier properties. For example, it is a film of polyvinylidene chloride, polyvinyl alcohol, or ethylene-vinyl alcohol copolymer.

  Moreover, the sheet | seat which has a metal vapor deposition film or an inorganic vapor deposition film can also be used as the surface protection sheet 23 which has gas barrier property. As a metal vapor deposition film, vapor deposition films, such as aluminum, copper, and iron, can be illustrated. As an inorganic vapor deposition film, vapor deposition films, such as a silicon oxide and aluminum oxide, can be illustrated. And the vapor deposition sheet which provided the inorganic vapor deposition film by using the above-mentioned resin film as a vapor deposition base material should just be used as the surface protection sheet 23. FIG. Of course, a sheet having a multilayer structure formed by laminating this vapor deposition sheet and other resin sheets can also be used as the surface protection sheet 23. In this example, as shown in FIG. 2A, a vapor deposition sheet 23b and a polypropylene sheet 23a are laminated to form a surface protective sheet 23.

In addition to the metal vapor deposition film or the inorganic vapor deposition film, a sheet having a metal alkoxide cured product layer may be used as the surface protection sheet 23. This hardened | cured material layer can be formed by apply | coating a metal alkoxide, heating and drying and hardening a metal alkoxide. In addition to the metal alkoxide, a water-soluble resin or a silane coupling agent may be mixed and applied and cured. As the metal alkoxide, general formula M (OR) n (M is a metal atom such as Si, Al, Ti, Zr, R is an alkyl group such as CH ₃ or C ₂ H ₅ , and n is the oxidation number of the metal element) In particular, a metal alkoxide in which the metal atom M is any one of Si, Al, and Ti is preferable. For example, tetraethyl orthosilicate (chemical formula: Si (OC ₂ H ₅ ) ₄ ), triisopropylaluminum (chemical formula: Al (OC ₃ H ₇ ) ₃ ), and the like. Polyvinyl alcohol is used as the water-soluble resin. The silane coupling agent may have a vinyl group, an epoxy group, a styryl group, a methacryl group, an amino group, a ureido group, a mercapto group, a sulfide group, an isocyanate group or the like as a functional group.

  Next, the adhesive resin layer 22 adheres the press-through layer 21 and the surface protection sheet 23 with ease. The peel strength between the press-through layer 21 and the surface protective sheet 23 is desirably 10 N / 15 mm or less. As this adhesive resin layer 22, polyolefin resin, such as polyethylene and a polypropylene, can be used, for example.

  And by extruding this polyolefin resin in a molten state and press-bonding the press-through layer 21 and the surface protective sheet 23 via the molten polyolefin resin, they can be easily laminated.

  Next, as shown in FIG. 1 and FIG. 2 (a), the PTP package 100 of the present invention has a first score line a at a position between the content accommodating recess A and the content accommodating recess A. Have. This first score line a enables the PTP package 100 to be cut by bending the PTP package 100 at this position. For this reason, the first score line a needs to penetrate both the container body 10 and the lid member 20. In addition, it is desirable to provide this 1st cut line a in the shape of a broken line, for example so that the container main body 10 and the lid | cover material 20 may not isolate | separate.

  The first score line a may partition one of the content accommodating recesses A from the other content accommodating recesses A. In this case, the PTP package 100 is cut by bending the PTP package 100, and the single content storage recess A is separated from the other content storage recesses A. For this reason, it is desirable to provide the 1st cut line a in the straight line shape which crosses the PTP package 100 and reaches the end from the end.

  The first score line a defines a plurality of content accommodating recesses A as a group of content accommodating recesses A, and divides this group of content accommodating recesses A from the other content accommodating recesses A. Also good. In this example, the content storage recesses A in 2 rows and 4 columns are divided into columns, that is, the two content storage recesses A belonging to the same column are partitioned as a group of content storage recesses A. A cut line a is provided. For this reason, in this example, when bent along the first cut line a, the two content-accommodating recesses A belonging to the same row are separated from the other content-accommodating recesses A.

  By the way, at the position of the first cut line a, the adhesive resin layer 22 is subjected to a weakening process. For this reason, when the PTP package 100 is bent along the first score line a, the adhesive resin layer around the first score line is broken, and as a result, the surface protection sheet is lifted from the press-through layer 21. That is, a slight gap is formed between the surface protection sheet 23 and the press-through layer 21 at the cut end.

  The weakening process may be performed on one or both sides of the first cut line a. In any case, the adhesive resin layer 22 is broken along with the bending at the position where the weakening treatment is performed, and a slight gap is formed between the surface protection sheet 23 and the press-through layer 21.

  As this weakening process, the process which provides the 2nd score line b in the adhesive resin layer 22 can be mentioned, for example. As shown in FIG. 2A, this example is an example in which the second cut line b is provided at a position close to the first cut line a.

  This second score line b is preferably provided in parallel to the first score line a, that is, in a straight line shape. The second cut line b may be a solid line, but may be a broken line.

  Further, the second cut line b need not penetrate the adhesive resin layer 22. When the PTP package is bent at the first cut line a, it is sufficient that the adhesive resin layer 22 is broken in the vicinity of the first cut line a. Further, the number of the second cut lines b may be arbitrary.

The second cut line b may be provided in the adhesive resin layer 22, but may be provided as a cut line reaching the adhesive resin layer 22 from the sealant layer 21a. As described above, the first cut line a is provided through the container body 10 and the lid member 20, but the second cut line b must not reach the surface protection sheet 23.
In this example, as can be seen from FIG. 1 and FIG. 2, two straight second cut lines b parallel to the first cut line a are provided on both sides of the first cut line a. This is an example. The second cut line b reaches the inside of the adhesive resin layer 22 from the sealant layer 21a.

  And in the PTP package 100 provided with the second cut line b in the vicinity of the first cut line a in this way, when this is bent, as shown in FIG. The adhesive resin layer 22 is broken in the vicinity of the cut line a, and a part 22x thereof adheres to the surface protection sheet 23 and is separated from the press-through layer 21. As a result, the surface protection sheet 23 is lifted from the press-through layer 21. That is, a slight gap is formed between the surface protection sheet 23 and the press-through layer 21 at the cut end.

  Then, by using this gap, the end portion of the surface protection sheet 23 that has been lifted can be grasped, and the surface protection sheet 23 can be easily peeled and removed from the press-through layer 21. Note that it is difficult for an infant or the like who is immature in finger training to grasp the end portion of the surface protection sheet 23, so that inadvertent opening by the infant or the like can be prevented.

  Next, as shown in FIGS. 1 and 3A, the PTP package 100 is also provided with a third cut line c. This third score line c is used when all of the content-accommodating recesses A are opened together.

  The third score line c may be provided at an arbitrary position, but it may be provided in the vicinity of the end d of the PTP package 100 for the convenience of opening all of the content-accommodating recesses A at once. desirable. In this example, a third cut line c is provided in the vicinity of the end d on the right side of the drawing.

  The third score line c is preferably provided in the container body 10 and not to reach the lid member 20. The third score line c does not need to penetrate the container body 10, but desirably penetrates. Even in this case, the lid member 20 must not be reached.

  The third cut line c is preferably provided in a closed curve shape. In the illustrated example, the third cut line c is provided in a rectangular shape.

  As described above, when the third cut line c that does not reach the lid member 20 is provided in the container body 10 in a closed curve shape, the region surrounded by the third cut line c is used as the push-up portion C. By pushing up the part C from the container body 10 side, the entire lid member 20 including the surface protection sheet 23 and the press-through layer 21 is peeled from the container body (see FIG. 3B). This push-up operation can be performed with, for example, a pen tip. In addition, when the 3rd cut line c is arrange | positioned at the edge part d of the PTP package 100, until it reaches the edge d of this PTP package 100 as shown in FIG.3 (b). The lid member 20 peels from the container body.

Then, by pulling up the lid member 20 using the end portion d of the lid member 20 thus peeled as a knob, the lid member 20 can be peeled and removed, and all of the many content-accommodating recesses A can be opened at once. . For this reason, when a pharmacist or the like dispenses, it is convenient when taking out the solid contents all at once. It is also convenient when a chef takes out solid seasonings such as curry roux all at once.

  As described above, the third cut line c is provided in the shape of a closed curve, and for this reason, the push-up portion C surrounded by the third cut line c reaches the end 100 of the PTP package. Therefore, it is difficult to push up the push-up portion C for infants and the like who are immature in finger training, and prevent these infants and others from accidentally peeling off the entire lid 20 and opening it. Can do.

100: Press-through pack package (PTP package)
10: Container body 20: Cover material 21: Press-through layer 21a: Sealant layer 21b: Easily breakable film 22: Adhesive resin layer 23: Surface protective sheet 23a: Polypropylene sheet 23b: Deposition sheet a: First cut line b: 2nd score line c: 3rd score line d: End part A: Content accommodation recessed part B: Solid content C: Push-up part

Claims (8)

A container body in which a plastic sheet is deep-drawn to form a large number of content-accommodating recesses, a solid content accommodated in each of the many content-accommodating recesses, and the entire number of these content-accommodating recesses are closed. In a press-through pack package consisting of a lid,
The lid material is configured by easily laminating a press-through layer that is easy to break and a surface protective sheet that is difficult to break through an adhesive resin layer,
The adhesive resin has a cut line (first cut line) penetrating the container main body and the cover material at a position between the plurality of content-accommodating recesses, and in the vicinity of the first cut line. A press-through pack package, wherein the layer is subjected to a weakening treatment.   2. The press-through pack package according to claim 1, wherein the weakening treatment of the adhesive resin layer includes a cut line (second cut line) provided in the adhesive resin layer.   3. The press-through pack package according to claim 2, wherein the second score line is a score line that reaches the adhesive resin layer from the container main body.   The cut line (third cut line) provided in the container main body, which is a cut line that does not reach the lid, is provided in a closed curve shape. Press-through pack packaging.   The press-through pack package according to claim 4, wherein the third cut line is provided in the vicinity of the end portion.   6. The press-through pack according to claim 1, wherein the press-through layer comprises a laminate of a plastic film and a sealant layer, and the plastic film is subjected to a weakening treatment. Packaging body.   The press-through pack package according to claim 6, wherein the weakening process of the plastic film is a process of providing a plurality of fine holes in the plastic film.   The press-through pack package according to any one of claims 1 to 7, wherein the surface protective sheet has gas barrier properties.

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