JP3058487U - Mouth of packaging bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mouth of a packaging bag which makes packaging extremely easy, significantly reduces waste after use, and can reduce resources. SOLUTION: Downward bag-shaped lids 4 each having a guide portion 3 which inclines inward from the lower end to the upper end at the left and right ends are provided inside the upper end opening of the rear sheet of the bag body 1 made of a plastic film. On the other hand, the front sheet 5 of the bag body 1
In the upper end opening, there is provided a double-structured insertion portion 7 into the lid portion 4 having inclined portions 6 respectively inserted at the left and right ends along the guide portions 3.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention mainly relates to a mouth portion of a packaging bag which is most suitable for storing and sealing fruits, crops, and other food products.

[0002]

[Prior art]

 Conventionally, a product is placed on a tray and wrapped with a wrap film so that the product is fixed.

[0003] On the other hand, a product is put into a packaging bag, and the mouths of the packaging bag are collectively stopped with appropriate stoppers. Alternatively, the mouth of the packaging bag is sealed with an adhesive tape using release paper. It is known to stop or even heat seal the mouth of the packaging bag.

[0004]

[Problems to be solved by the invention]

 However, in the former case, the product must be placed on a tray and packaged with a wrap film. It was difficult to reduce the amount of waste after use, and it was not possible to reduce resources.

[0005] In addition, the latter is also troublesome in packaging since the product must be put into a packaging bag and the mouth must be closed with a stopper, or with an adhesive tape, or heat-sealed.

Therefore, the present invention has been devised in view of the above-mentioned point of view, and not only makes packaging extremely easy, but also significantly reduces waste after use, and An object of the present invention is to provide a mouth portion of a packaging bag that can reduce resources.

[0007]

[Means for Solving the Problems]

 In order to solve the problems described above, the mouth of the packaging bag of the present invention is inward from the lower end to the upper end at the left and right ends inside the upper end opening of the rear sheet of the bag body made of plastic film. A downward-facing bag-shaped lid portion having each inclined guide portion is provided, while the upper end opening of the front sheet of the bag main body has inclined portions inserted into the left and right ends along the respective guide portions. A double-structured insertion portion is provided in the lid portion.

Further, a downwardly facing bag-shaped lid is provided inside the upper end opening of the rear sheet of the bag body made of plastic film, while the upper end opening of the front sheet of the bag body is provided at the left and right ends. A double-structured insertion portion having an inclined portion for guiding insertion into the lid portion is provided.

[0009] Furthermore, the width in the left-right direction of the insertion portion of the front sheet is set slightly smaller than the width in the left-right direction of the lid portion of the rear sheet.

[0010]

[Embodiment of the invention]

 Hereinafter, as an embodiment of the present invention, a state in which fruits, crops, and other foods are put in and sealed will be described with reference to the drawings.

As one embodiment of the mouth portion of the packaging bag of the present invention, as shown in FIG. 1 and FIG. A downwardly facing bag-shaped lid portion 4 having a guide portion 3 inclined inwardly from the lower end to the upper end direction is provided on the upper portion, while the upper end opening of the front sheet 5 of the bag body 1 and It is formed so as to provide a double-layered insertion portion 7 into the lid portion 4 having an inclined portion 6 inserted along the guide portion 3.

That is, the bag body 1 is formed by folding a sheet material made of a plastic film in two from the front-rear direction so that a bottom portion is formed at a lower portion, and the left and right sides of the front sheet 5 and the rear sheet 2 opposed to each other. The side edges are joined to each other by a burning means which is welded at the same time as the cutting, so that the side edges are formed in an upward bag shape.

Inside the opening at the upper end of the rear sheet 2 of the bag body 1, a guide part 3 inclined inward from the lower end toward the upper end is provided at the left and right ends of the rearward turning piece 8 facing forward. Are provided at the upper end opening of the front side sheet 5 of the bag body 1 and at the left and right ends of the frontward folded back piece 9 at the guide portions 3 respectively. A double-structured insertion portion 7 is provided in the lid portion 4 having an inclined portion 6 to be inserted along the lower portion, and a lower portion of the front folded portion 9 is formed so as to be heat-sealed 10.

As another embodiment of the mouth portion of the packaging bag of the present invention, as shown in FIGS. A downwardly facing bag-shaped lid 13 is provided inside the upper end opening of the rear sheet 12, while the insertion guide into the lid 13 is provided at the left and right ends of the upper end opening of the front sheet 14 of the bag body 11. May be formed so as to provide a double-structured insertion portion 16 each having an inclined portion 15 for use.

In addition, the width in the left-right direction of the insertion portions 7, 16 of the front seats 5, 14 in the above-described one embodiment and the other embodiments is determined by the left-right width of the lids 4, 13 of the rear seats 2, 12. It is set slightly smaller than the width in the direction.

The mouth of the packaging bag of the present invention is located at the center between the upper end openings of the rear sheets 2 and 12 and the lids 4 and 13 and the insertion sections 7 and 16 of the front sheets 5 and 14. If a handle is inserted through the handle and the handle is used to hold it, it can of course be used as a carryback.

[0017]

[Effect of the invention]

 The mouth of the packaging bag according to the present invention has a guide portion 3 inclined inward from the lower end to the upper end at the left and right ends inside the upper end opening of the rear sheet 2 of the plastic film bag body 1 as described above. Are provided at the upper end openings of the front sheet 5 of the bag body 1, and at the left and right ends thereof are inclined portions 6 to be inserted along the guide portions 3 respectively. Since the insertion portion 7 having a double structure is provided in the cover portion 4, the product A is put into the bag body 1 as shown in FIG. Hold the left and right sides of the upper end opening with both hands from the left and right sides, and use the thumbs of both hands to insert the left and right sides of the insertion portion 7 of the front sheet 5 into the lid 4 of the rear seat 2. The inclined portion 6 is pushed in from below so as to be guided along each of the guide portions 3, and is inserted into the lid portion 4 of the rear seat 2. Since it is only necessary to insert the insertion part 7 of 5, not only can the packaging be extremely easy, but also the tray and the wrap film are not used as in the conventional case. Therefore, the amount of waste after use can be significantly reduced, and resources can be reduced.

In addition, the insertion portion 7 provided at the upper end opening of the front sheet 5 of the bag body 1 has a double structure, so that the front sheet 5 can be inserted into the lid portion 4 of the rear sheet 2 during use. When the part 7 is inserted, the mouth becomes a triple structure and the strength is increased, so that the mouth can be held. Therefore, it is not necessary to hold the bag body 1 and the product A can be prevented from being damaged. Not only that, the appearance of the mouth can be prevented, so that the appearance is good, and if the mouth is printed, it can also serve as a tag, resulting in a display effect. Is also obtained.

Further, a downwardly facing bag-shaped lid 13 is provided inside the upper end opening of the rear sheet 12 of the bag body 11 made of plastic film, while, at the upper end opening of the front sheet 14 of the bag body 11, At the left and right ends, the insertion portion 16 having a double structure having an inclined portion 15 for guiding the insertion into the lid portion 13 is provided. After placing the product A inside the bag, hold the left and right sides of the upper end opening of the bag body 11 with both hands from the left and right sides, and use the thumbs of both hands to hold the left and right sides of the insertion section 16 of the front seat 14. It only pushes into the lid 13 of the rear seat 12 from below so as to be guided by the respective inclined portions 15, and inserts the insertion portion 16 of the front seat 14 into the lid 13 of the rear seat 12. Not only makes packaging extremely easy, but also Since no tray or wrap film is used, the waste and waste can be significantly reduced after use, without discarding the tray or wrap film after use. is there.

In addition, since the width in the left-right direction of the insertion portions 7, 16 of the front sheets 5, 14 is set slightly smaller than the width in the left-right direction of the lids 4, 13 of the rear sheets 2, 12, Since the insertion portion 7 of the front sheet 5 is more easily inserted into the cover portion 4 of the rear sheet 2, not only can the packaging be further facilitated, but also the product A can be put inside the bag body 1 and the mouth can be opened. Even if it is spread, the mouth is not twisted, the appearance is better, and the display effect is further obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a mouth portion of a packaging bag according to the present invention.

FIG. 2 is a front view showing another embodiment of the mouth of the packaging bag of the present invention.

FIG. 3 is a longitudinal sectional side view of FIGS. 1 and 2;

FIG. 4 is a perspective view showing a use state of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 bag body 2 rear sheet 3 guide section 4 lid section 5 front sheet 6 inclined section 7 insertion section 8 rear folded section 9 front folded section 10 heat seal 11 bag body 12 rear sheet 13 lid section 14 front sheet 15 inclined Part 16 Insert part A Product

Claims (3)

[Utility model registration claims] 1. A downward bag-shaped lid portion having guide portions inclined inward from a lower end to an upper end direction at right and left end portions is provided inside the upper end opening portion of a rear sheet of a bag body made of a plastic film, On the other hand, at the upper end opening of the front sheet of the bag body, a double-structured insertion portion is provided in the lid portion, which has inclined portions inserted along the respective guide portions at left and right ends. And the mouth of the packaging bag. 2. A downwardly facing bag-like lid is provided inside the upper end opening of the rear sheet of the bag body made of plastic film, while the lid is provided at the upper end opening of the front sheet of the bag body and at the left and right ends thereof. A mouth portion of a packaging bag provided with a double-structured insertion portion each having an inclined portion for guiding insertion into the portion. 3. The mouth of a packaging bag according to claim 1, wherein the width of the insertion portion of the front sheet in the left-right direction is set slightly smaller than the width of the lid of the rear sheet in the left-right direction.