JP7007718B2 - Resealable packaging bag using adhesive material - Google Patents

Description

The present invention relates to a packaging bag for various articles, and more particularly to a resealable packaging bag using an adhesive as a sealing means.

Packaging bags for various articles are used to store various articles, seal openings to protect the stored items, and provide them for storage / transportation, exhibition / display, and the like. In this case, after opening the packaging bag and taking out the stored items from the opening, not only the packaging bag is discarded as unnecessary items, but also a part of the stored items is taken out and the remaining stored items are stored in the packaging bag again. It is also used to reseal and store openings. In particular, for hygiene products such as hygiene masks, multiple sheets are often stored in one packaging bag, and after opening, they are taken out one by one for wearing, and the leftovers are stored in the packaging bag to prevent contamination. It will be resealed and saved. In addition, when multiple items that deteriorate or deteriorate due to humidity, such as dried fish and printing paper, are stored, only the required quantity may be taken out and the remaining items may be resealed and stored in the same way. many.

As a sealing means for the resealable packaging bag as described above, a lip (flap) acting as an opening / closing lid is provided at the opening, and an adhesive member capable of freely adhering and peeling the lip is used. , The lip is attached to the bag body to seal the opening, or the opening is peeled off and opened. This means can be easily sealed and opened, and the structure is simple. , Is often used as a sealing means in resealable packaging bags (see, for example, Patent Documents 1 and 2). However, in these packaging bags, after the adhesive portion between the lip and the bag body is peeled off and opened, the peeled lip remains, which often hinders the loading and unloading of stored items and causes troubles.

Jitsukaihei No. 5-58651 Japanese Unexamined Patent Publication No. 2011-73772

The problem to be solved by the present invention is that in a resealable packaging bag using a lip and an adhesive member, a packaging bag that allows smooth loading and unloading of stored items without being disturbed by the lip when loading and unloading stored items. Is to provide.

The resealable packaging bag of the present invention is provided with a header continuous with the back sheet at the upper part of the bag body composed of the front sheet and the back sheet, and is formed by the lower end sealing portion of the header and the upper end of the front sheet. The opening is a packaging bag in which a lip provided at the lower end sealing portion of the header is attached to the surface sheet to be sealed, and an adhesive member for attaching the lip is attached to the surface of the surface sheet. The lip is provided with an easy-cutting means in the vicinity of the lower end sealing portion of the header, and the header is bent and attached to the surface sheet by the adhesive member so that the opening can be resealed.

The packaging bag is preferably provided with a storage pocket inside the bag body, and the easy-cutting means is preferably perforated. Further, it is preferable that the front sheet and the back sheet contain a silver-based antibacterial agent.

In the packaging bag of the present invention, the lip for sealing the opening is provided with an easy-cutting means such as a perforation, and the lip is cut off after the adhesive member is peeled off and opened. The stored items can be taken in and out smoothly. Then, even if the lip is cut off, the header can be bent to reseal the opening instead of the lip.

In addition, a packaging bag provided with a storage pocket is suitably used as a packaging bag for sanitary masks, and not only can unused sanitary masks be resealed and stored, but also hygiene masks in use can be stored in the storage pockets. Since it can be stored separately from unused sanitary masks, it can be preferably used as a packaging and storage bag for sanitary masks. It is also possible to prevent contamination by bacteria in the area.

The front schematic explanatory view and the cross-sectional schematic explanatory view of the packaging bag of this invention. Same as above Schematic schematic cross-sectional view of removing the lip in the packaging bag and resealing with the header. Schematic diagram of a resealable packaging bag using a conventional adhesive member.

Hereinafter, a detailed description of the embodiment of the present invention will be given with reference to the drawings. FIG. 1 schematically shows the resealable packaging bag 1 of the present invention. 1A is a schematic plan view and FIG. 1B is a schematic cross-sectional view. The bag body of the packaging bag 1 is composed of a front sheet 11 and a back sheet 12, and a bottom portion 14 and both side portions 19 are sealed. It is worn into a bag shape, and in this embodiment, a partition sheet 13 is provided, and the inside of the bag body is partitioned into a storage portion 2 and a storage pocket 3. As shown in this figure, the front sheet 11 and the back sheet 12 use a continuous sheet, the sheet is folded back at the bottom portion 14, and the sheet and the partition sheet 13 are heat-sealed or bonded at the bottom portion 14. It is possible to create a bag body having a storage portion 2 and a storage pocket 3 by adhering them with an agent and further adhering both side portions 19 in the same manner. Further, the bottom portion 14 may be heat-sealed or bonded with an adhesive using two sheets, the front sheet 11 and the back sheet 12, and in this case, at the same time as this sealing. The partition sheet 13 is also adhered.

Further, the packaging bag 1 is provided with a header 10 continuous with the back sheet 12, which is provided by extending the back sheet 12, bending it, and sealing it with the lower end sealing portion 15. Further, the separately prepared header 10 may be attached to the tip of the back sheet 12 by heat fusion or an adhesive. A label displaying the name of the stored product or the like is enclosed in the header 10, or a hanging display means such as a hook hole is provided. In FIG. 1, the lower end sealing portion 15 of the header 10 shows a concept, and the sheet constituting the header is usually integrated with the lower end sealing portion 15 by an adhesive, heat fusion, or the like. As shown in FIG. 1 (c), the sheets constituting the header are sealed close to each other or in close contact with each other, and do not have a specific size as shown in FIG. 1 (b). It is worn. Further, the lower end sealing portion 15 is provided with a lip 16 by extending a sheet constituting the header 10.

Then, in the opening 5 formed by the lower end sealing portion 15 of the header 10 and the upper end 11a of the surface sheet, the lip 16 provided in the lower end sealing portion 15 is attached to the surface sheet 11 by the adhesive member 18. Sealed with. The adhesive member 18 can be attached and detached freely, and can be opened and sealed repeatedly. The lip 16 is provided with a perforation 17 as an easy excision means in the vicinity of the lower end sealing portion 15, and when the lip interferes with the loading and unloading of the stored items after opening, the lip 16 is peeled off from the adhesive member 18. At the same time, it can be easily excised using the perforation 17. When the lip 16 is cut off, it can be resealed by bending the header 10 and attaching it to the adhesive member 18, as shown in FIG. 1 (c).

FIG. 2 schematically shows the removal of the lip 16 and the resealing by the header 10, and as shown in FIG. 2A, the lip 16 sealing the opening 5 is peeled off from the adhesive member 18. Then, the lip 16 is excised at the perforation 17 as shown in FIG. 2 (b). Then, as shown in FIG. 2C, the header 10 is bent, attached to the adhesive member 18, and resealed. FIG. 3 shows a conventional packaging bag 4, and since the lip 46 is not provided with easy-cutting means such as perforations in this packaging bag 4, the lip 46 is not cut after opening, and when the stored items are taken in and out. Get in the way.

As shown in the figure, the adhesive member 18 for attaching the lip 16 and the header 10 to the surface of the surface sheet 11 is provided on the surface of the surface sheet, and the adhesiveness of the surface makes the lip 16 and the header 10 different from the lip 16 and the header 10. It is removable and can be resealed. As the pressure-sensitive adhesive used for the pressure-sensitive adhesive member 18, known pressure-sensitive adhesive compositions such as rubber-based, acrylic-based, and silicone-based can be used, and such a pressure-sensitive adhesive composition is band-shaped on the surface of the surface sheet 11. The band-shaped adhesive member 18 can be provided on the surface of the surface sheet 11 by applying the adhesive tape to the base material or by applying the adhesive composition to the base material. The pressure-sensitive adhesive used here, as it is also called a pressure-sensitive adhesive, can be adhered by crimping, and even if it is peeled off once, it can be pasted by crimping again.

As described above, since the packaging bag of the present invention is provided with easy-cutting means such as perforations on the lip that seals the opening, the lip can be easily cut after opening, and the stored items can be stored without any trouble. Can be taken in and out. And even after the lip is cut off, it is a packaging bag that can be resealed using the header. Perforations are preferably used as the easy excision means, but a notch may be provided at the end of the lip, or these may be used in combination.

Further, a packaging bag provided with a storage pocket is preferably used for packaging a sanitary mask. FIG. 1 shows a packaging bag 1 containing a sanitary mask, an unused sanitary mask 30 is stored in a storage unit 2, and a used sanitary mask 31 is stored in a storage pocket 3. In the packaging bag 1 provided with the storage pocket 3 in this way, not only the unused sanitary mask 30 can be resealed and stored, but also the used sanitary mask 31 can be segregated and stored, so that the unused sanitary mask can be stored separately. It is a packaging bag that not only prevents the 30 from being contaminated, but also prevents the hygiene mask 31 in use from being further contaminated and can be stored.

The sheet constituting the packaging bag of the present invention includes plastic films such as polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polyvinyl chloride, polyvinylidene chloride, polyamide, ethylene / vinyl acetate copolymer, and ethylene / vinyl alcohol copolymer. , Paper, and composite sheets thereof, and composite sheets with aluminum foil and the like can be exemplified. These sheets can be processed to form the sides and bottom of the bag body, the lower end sealing part of the header, etc. by known methods such as adhesive bonding and heat fusion, and further, the gusset bag. Or as a square bottom bag.

1 Packaging bag 2 Storage unit 3 Storage pocket 4 Packaging bag (conventional product)
5 Opening 10, 40 Header 11, 41 Front sheet 11a, 41a Front sheet top 12, 42 Back sheet 13 Partition sheet 14, 44 Bottom 15, 45 Bottom sealing 16, 46 Lip 17 Perforation 18, 48 Adhesive member 19 , 49 Side 30 Sanitary mask (unused) 31 Sanitary mask (in use)

Claims (4)

A header continuous with the back sheet is provided on the upper part of the bag body composed of the front sheet and the back sheet, and the opening formed by the lower end sealing portion of the header and the upper end of the front sheet is the lower end sealing portion of the header. It is a packaging bag that is sealed by attaching the lip provided on the surface sheet to the surface sheet. An adhesive member for attaching the lip is provided on the surface of the surface sheet, and the lip is sealed at the lower end of the header. A resealable packaging bag characterized in that an easy-cutting means is provided in the vicinity of the portion, a header is bent, and the header is attached to a surface sheet by the adhesive member so that the opening can be resealed. The resealable packaging bag according to claim 1, wherein a storage pocket is provided inside the bag body. The resealable packaging bag according to claim 1 or 2, wherein the easy-cutting means is a perforation. The resealable packaging bag according to any one of claims 1 to 3, wherein the front sheet and the back sheet contain a silver-based antibacterial agent.

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