JP3512393B2 - Blister packaging bags - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a blister packaging bag. More specifically, the present invention relates to a blister packaging bag that is capable of repeatedly opening and closing a product storage recess and is suitable for dispensing stored products and for repeated reuse.

[0002]

2. Description of the Related Art Blister packaging in which a product is stored in a recess formed in a thermoplastic resin sheet by vacuum molding, pressure molding, etc. according to the shape of the product to be stored and attached to a mount is a transparent package. Can be seen well, and even in the case of a product having a complicated shape, the product can be protected by forming a concave portion matching the shape to fix the product, and the cushioning effect of the packaging material. The method of attaching the thermoplastic resin sheet cover having the product storage recess to the mount is to heat-bond the flange of the seat cover to the mount coated with resin of the same system as the seat cover, or to attach the three sides of the seat cover. There is a method of bending the end into a U-shape and sliding the mount along the recess. When the seat cover and the mount are fused, it is necessary to break the blister packaging bag in order to take out the stored product, and it is difficult to restore the initial state after taking out the product. According to the method of sliding the mount into the U-shaped recess at the end of the seat cover, it is possible to restore the original state after taking out the stored product. However, in this method, the material that can be used is limited because the seat cover needs to be rigid, it takes time to process the end into a U-shape, and the mount is slid to open and close the packaging bag. Has problems such as being troublesome. It is surprisingly large to use the products in blister packaging and then store them in their original state, or to pack a large number of products in blister packaging and take them out little by little for use. For this reason, there has been a demand for a blister packaging bag in which the product storage recess can be easily and repeatedly opened and closed.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a blister packaging bag which is capable of repeatedly opening and closing a product storage recess and which is suitable for dispensing stored products and for repeated reuse. It was made as.

[0004]

As a result of intensive studies to solve the above problems, the inventor of the present invention has a slit formed in the film on the front side of a laminate of thermoplastic resin films, and a sheet having a product storage recess. By fusing a part of the flange part of the cover to the film along the slit and providing an adhesive layer on the other part of the flange, it is possible to open and close the seat cover using the fusing part of the film and the flange part as a hinge. Yes, by the adhesive layer provided on the other part of the flange,
It has been found that the flange portion can be adhered and fixed to the film, and the present invention has been completed based on this finding.
That is, according to the present invention, (1) the film on the front side of a laminate obtained by fusing a pair of opposing edges of two thermoplastic resin films on the front and back has slits in the width direction or the length direction of the laminate. A part of the flange portion of the thermoplastic resin sheet cover having a product storage recess is fused along either one of the front film and the slit in the vicinity of the slit, and the adhesive layer is provided on the other portion of the flange portion. A blister packaging bag characterized by having (2) a laminate comprising (2) two front and back thermoplastic resin films formed by half-fold polymerizing a long thermoplastic resin film and fusing at both side edges. The blister packaging bag according to item 1, which is a laminate, (3) the laminate,
The blister packaging bag according to item 1, which is a bag having an opening / closing opening, (4) the laminated body, the blister packaging bag according to item 1, which has a header part, and (5) the laminated body has a core inside. The blister packaging bag according to claim 1 having a material sheet, and (6) the flange portion of the thermoplastic resin sheet cover,
A blister packaging bag according to item 1, which is fused on the inside of the front film.

[0005]

1 (a) is a plan view of an embodiment of a blister packaging bag of the present invention, FIG. 1 (b) is an end view of a cut portion thereof, and FIG. FIG. 3 is a perspective view showing a state where the seat cover is opened. The blister packaging bag of this embodiment has a laminated body in which a thermoplastic resin film 1 on the front side and a thermoplastic resin film 2 on the back side are fused at both side edges 3 and 3 '. The front film has a slit 4 in the width direction of the laminated body near the lower edge of the laminated body. A part of the flange portion 6 of the thermoplastic resin sheet cover 5 having a product storage recess is fused near the slit 4 with a film on the front side and a fusion line 7 along the slit, and to the other portion of the flange portion. An adhesive layer 8 is provided. In the blister packaging bag of this aspect, when the sheet cover 5 is peeled off from the front side film 1 and opened, as shown in FIG. 1 (c), the fused portion of the film and the flange portion becomes a hinge and is 90 degrees or more. The seat cover can be opened. When the seat cover is closed and the flange portion is lightly pressed, the adhesive layer of the flange portion allows the seat cover to adhere to the front film and restore the original state. In the blister packaging bag of the present invention, the length of the slit provided in the front film is preferably longer than a part of the flange portion of the sheet cover to be fused, and more preferably the entire length in the width direction of the laminate. By making the slit a length over the entire width of the laminated body and fusing both side edges of the laminated body, both ends of the slit are reinforced at the fusing points. The blister packaging bag of the present invention is preferably a product in which the adhesive layer of the flange portion is covered with a release liner. After the product is stored in the product storage recess, the release liner is removed, and the flange portion of the seat cover is pressed against the front film, whereby the blister package containing the product can be completed. When the seat cover is opened and closed after the consumer purchases the blister package, it is rare that the seat cover is left open for a long period of time, so that the release liner for covering the adhesive layer is usually unnecessary. Since the adhesive force of the pressure-sensitive adhesive layer is not strong, if the sheet cover is bonded to the front film by only the pressure-sensitive adhesive layer, the sheet cover may be displaced due to external force such as gravity, but in the blister packaging bag of the present invention, the sheet Since a part of the flange portion of the cover is fused to the front film by the fusion line, the seat cover is not likely to be displaced.

In the blister packaging bag of the present invention, a part of the flange portion of the thermoplastic resin sheet cover can be fused to either side of the slit of the front film. FIG. 2 (a) is a plan view of another embodiment of the blister packaging bag of the present invention, and FIG. 2 (b) is an end view of a cut portion thereof. In the blister packaging bag of the embodiment shown in FIG. 1, a part of the flange portion of the thermoplastic resin sheet cover is fused to the film below the slit, while the blister packaging bag of the embodiment shown in FIG. In the above, a part of the flange portion 6 of the thermoplastic resin sheet cover 5 is fused to the upper film of the slit 4 by the fusion line 7. Even if a part of the flange portion of the thermoplastic resin sheet cover is fused to the film above the slit, the fused portion of the film and the flange portion serves as a hinge to open the seat cover at 90 degrees or more. In the embodiment shown in FIG. 1, a part of the flange portion of the seat cover can be fused to the outside and the inside of the front film in the vicinity of the slit, but in the embodiment shown in FIG. The fusion of a part of the flange portion of the cover is limited to the outside of the front film. FIG. 3 (a) is a plan view of another embodiment of the blister packaging bag of the present invention, and FIG. 3 (b) is an end view of a cut portion thereof. The blister packaging bag of the present embodiment is a laminate formed by stacking a thermoplastic resin film having two front and back sides by half-fold polymerizing a long thermoplastic resin film and fusing both side edges 3 and 3 ′. Is. There is no particular limitation on the method of half-fold polymerizing the long thermoplastic resin film, but in the embodiment shown in FIG. 3, the length direction of the long thermoplastic resin film is the width direction of the laminate, and the half of the film is The fold line is the lower edge 9 of the laminate. Since the laminated body of the blister packaging bag of this aspect constitutes a side-sealed flat bag, it is possible to store the product manual, warranty card, accessories, etc. in the flat bag. In addition, when printing is performed on the two front and back films forming the laminated body, half-fold polymerization can be performed after printing on the long thermoplastic resin film, so there is a difference in printing between the two front and back films. There is no danger of

In the blister packaging bag of the present invention, the laminated body can be a bag body having an opening portion that can be opened and closed. Figure 4
FIG. 4A is a plan view of another embodiment of the blister packaging bag of the present invention, and FIG. 4B is an end view of a cut portion thereof. In the blister packaging bag of this embodiment, the half-folded line of the long thermoplastic resin film serves as the upper edge 10 of the laminate, and has the opening 11 at the lower edge of the laminate. In the blister packaging bag of this embodiment, the front film 1 is longer than the back film 2, the lower end of the front film forms the tongue piece 12, and the tongue piece is covered with the release liner 13 to form the adhesive layer 14.
Is provided. Before or after storing the product in the product storage recess, insert the product description, warranty, accessories, etc. from the opening of the bag formed by the front side film and the back side film, and peel off the release liner of the tongue. By folding back and pressing it, the tongue piece is adhered to the lower end side of the back film by the adhesive layer, and the opening can be closed to store the product description. In the embodiment shown in FIG. 4, the adhesive layer is provided on the tongue, but it may be provided on the lower end side of the back film. FIG. 5A is a plan view of another embodiment of the blister packaging bag of the present invention.
(b) is an end view of the cut portion. In the blister packaging bag of this aspect, the opening 11 is provided in the film 2 on the back side. The films folded back and folded at the lower edge 9 and the upper edge 10 of the laminated body are superposed on each other at the opening, and a tongue piece 12 is formed at one end of the film. A pressure-sensitive adhesive layer 14 coated with a release liner 13 is provided at the other end, which is the fixed side of the back film on which the tongue pieces overlap. Before or after storing the product in the product storage recess, insert the product's manual, warranty card, accessories, etc. from the opening of the bag formed on the back side film, and peel off the release liner covering the adhesive layer. By pressing the tongue piece against the fixed side of the film on the back side, the tongue piece can be adhered with the adhesive layer and the opening can be closed to store the product description. In the embodiment shown in FIG. 5, the adhesive layer is provided on the fixed side of the back film, but the adhesive layer may be provided on the tongue. Further, in the mode shown in FIG.
Although the tongue piece is provided on the upper side of the back film, the tongue piece may be provided on the lower side of the back film so that the upper side is the fixed side. In that case, the adhesive layer can be provided on either the tongue piece or the fixed side.

In the blister packaging bag of the present invention, the laminated body may be provided with a header portion. Figure 6 (a) shows
It is a plan view of another embodiment of the blister packaging bag of the present invention,
FIG. 6B is an end view of the cut portion. In the blister packaging bag of this aspect, a header portion 15 sandwiched between two front and back films is provided on the top of the laminated body. By providing the laminated body with the header portion, the shape retention of the blister packaging bag can be improved. The material of the header portion is not particularly limited, but it is preferable that the material has a rigidity higher than that of the two front and back films. Examples of the material having rigidity higher than that of the film include paper and plastic sheet. Among these, the plastic sheet can be fused with the two front and back films and can be fused with the two front and back films at both side edges, and thus can be suitably used. In the embodiment shown in FIG. 6, the header portion is fused to the two front and back films by the fusion line 16, and the hanging hole 17 is provided in the header portion. By fusing the header part with the two front and back films with a fusion line, the shape retention of the blister packaging bag is further improved, and by providing a hanging hole in the header part, the blister package is hung at the store front. It can be exhibited to enhance the effect of the exhibition. The fusion of the header portion and the film by the fusion line may be performed on either one of the front side film and the back side film.

In the blister packaging bag of the present invention, a core material can be provided inside the laminate. Figure 7 (a) shows
It is a plan view of another embodiment of the blister packaging bag of the present invention,
7 (b) is an end view of the cut portion, and FIG. 7 (c) is a perspective view showing a state in which the thermoplastic resin sheet cover having the product storage recess is opened. In the blister packaging bag according to this aspect, the core material 18 is provided between the two films on the front and back sides over substantially the entire surface of the film. By providing the core material inside the laminate, it is possible to enhance the rigidity over the entire surface of the blister packaging bag and enhance the shape retention of the blister packaging bag. Further, by using a white core material or a printed core material, enhance the aesthetics of the blister package, or by using a printed core material,
Advertising and information can be provided. The material of the core material is not particularly limited, but it is preferable that the material has a rigidity higher than that of the two front and back films. Examples of the material having rigidity higher than that of the film include paper and plastic sheet. Of these, the plastic sheet can be fused with the two front and back films, and can be fused with the two front and back films at both edges.
It can be preferably used. In the blister packaging bag of the embodiment shown in FIG. 7, the core material 18 is fused to the two front and back films by the fusion line 16. The upper part of the core material has a function as a header part, and the hanging hole 17 is provided in the header part. By fusing the core material with the two front and back films with a fusion line, the shape retention of the blister packaging bag is further improved, and by providing a hanging hole in the header part, the blister packaging body is hung at the store front. It can be exhibited to enhance the effect of the exhibition. The fusion of the header portion and the film by the fusion line may be performed on either one of the front side film and the back side film.

In the blister packaging bag of the present invention, there is no particular limitation on the position where a part of the flange portion of the thermoplastic resin sheet cover is fused in the vicinity of the slit of the front film. For example, in the blister packaging bag of the embodiment shown in FIGS. 1 to 6, the lower flange portion of the sheet cover is fused with the front film in the vicinity of the slit provided in the width direction of the laminate below the front film. Is worn
The seat cover having the product storage recess is opened upward. Further, in the blister packaging bag of the embodiment shown in FIG. 7, the upper flange portion of the sheet cover is fused to the front film in the vicinity of the slit provided in the width direction of the laminated body at approximately the center of the front film. The seat cover having the product storage recess is opened downward. It is also possible to provide a slit in the length direction of the front film and fuse it to the side flange portion of the seat cover to open the seat cover having the product storage recess sideways. In the blister packaging bag of the present invention, there is no particular limitation on the method of fusing the flange portion of the thermoplastic resin sheet cover and the front side film, and the flange portion of the sheet cover may be fused to the outer side of the front side film as well. It can also be fused. In the blister packaging bag of the embodiment shown in FIGS. 1 to 3, the flange portion of the seat cover is fused to the outside of the front film, and in the blister packaging bag of the embodiment shown in FIGS. The part is fused inside the front film. Among these fusing methods, the method of fusing the flange portion of the seat cover to the inside of the front side film can be easily carried out because heating is performed from the thin film side.

[0011]

In the blister packaging bag of the present invention, a part of the flange portion of the thermoplastic resin sheet cover having the product storage recess is fused with the film in the vicinity of the slit provided on the front film of the film laminate. Therefore, the seat cover can be opened and closed by using the fusion point of the film and the flange as a hinge, and the adhesive layer is provided on the other part of the flange. By adhering, the seat cover can be repeatedly opened and closed. Further, since a part of the flange portion of the seat cover is fused to the front film, even if the other portion of the flange portion is adhered by the adhesive layer, there is no possibility that the seat cover is displaced due to an external force. .

[Brief description of drawings]

FIG. 1 is a plan view, an end view of a cutting portion, and a perspective view of an embodiment of a blister packaging bag of the present invention.

FIG. 2 is a plan view and an end view of a cut portion of another embodiment of the blister packaging bag of the present invention.

FIG. 3 is a plan view and an end view of a cut portion of another embodiment of the blister packaging bag of the present invention.

FIG. 4 is a plan view and a sectional end view of another embodiment of the blister packaging bag of the present invention.

FIG. 5 is a plan view and an end view of a cut portion of another embodiment of the blister packaging bag of the present invention.

FIG. 6 is a plan view and an end view of a cut portion of another embodiment of the blister packaging bag of the present invention.

FIG. 7 is a plan view, an end view of a cutting portion, and a perspective view of another embodiment of the blister packaging bag of the present invention.

[Explanation of symbols]

1 Thermoplastic resin film on the front side 2 Thermoplastic resin film on the back side 3 side edges 3'side edge 4 slits 5 Thermoplastic resin sheet cover 6 Flange 7 Fusion line 8 Adhesive layer 9 Bottom edge of stack 10 Upper edge of stack 11 openings 12 tongue 13 Release liner 14 Adhesive layer 15 Header 16 fusion line 17 hanging holes 18 core material

Claims (6)

(57) [Claims] 1. A product storage concave portion in which a film on the front side of a laminate formed by fusing a pair of opposing edges of two thermoplastic resin films on the front and back has slits in the width direction or the length direction of the laminate. A part of the flange portion of the thermoplastic resin sheet cover having a is fused along one side of the front film and the slit in the vicinity of the slit, and has a pressure-sensitive adhesive layer on the other portion of the flange portion. Characteristic blister packaging bag. 2. A laminate comprising two thermoplastic resin films, one on the front and one on the back, half-fold polymerizes a long thermoplastic resin film,
The blister packaging bag according to claim 1, which is a laminate formed by fusing both side edges. 3. The blister packaging bag according to claim 1, wherein the laminated body is a bag body having an opening portion that can be opened and closed. 4. The blister packaging bag according to claim 1, wherein the laminated body has a header portion. 5. The blister packaging bag according to claim 1, wherein the laminate has a core sheet inside. 6. The blister packaging bag according to claim 1, wherein the flange portion of the thermoplastic resin sheet cover is fused to the inside of the front film.