JP3046703U - Packaging bag with hand-cut prevention means on the edge - Google Patents

Abstract

(57) [Summary] [PROBLEMS] During handling of a packaging bag formed by stacking sheet-like packaging materials and bonding the overlapped required edges, a hand or arm is attached to the edge of the edges. To provide a packaging bag that is safe to handle without causing a danger of scratching even when touching and sliding. SOLUTION: The packaging bag according to the present invention, in which the edge is provided with a hand-cut prevention means, comprises at least two sheet-like packaging materials 2.
a, 2b are superimposed, and the superimposed required edge 3
In a packaging bag 1 formed by bonding
a is shifted to the outside of the edge of the other packaging material 2b and overlapped, the overlapped edge 3 is adhered, and the margin 2a is shifted by the shifted edge of the one packaging material 2a. ₁ is formed, bending the bending allowance 2a ₁ a side edge of the other of the packaging material 2b, by bonding each other bending allowance 2a ₁ in the vicinity of the end side 2b ₁ of該辺edge, packaging bag A characteristic feature is that a rounded bent portion 6 is formed at one end of the edge to prevent hand cutting.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a packaging bag provided with a means for preventing hand tears at the edges, and more specifically, for example, during the handling of a packaging bag composed of a laminated composite film of a plastic film and an aluminum foil as a packaging material. The present invention relates to a packaging bag configured so as to reliably prevent inadvertent hand abrasion by the edge of the laminated composite film at the periphery of the packaging bag.

[0002]

[Prior art]

 As schematically shown in FIG. 9, in the case of a conventional packaging bag C constructed by laminating sheet-like packaging materials A and B and bonding the superimposed edges B, the sheet-like packaging material C Is a composite film composed of a plastic film and aluminum foil, or a composite film composed of a plurality of different types of plastic films, or a slightly rigid plastic film, kraft paper, etc. Including the case of a slightly hard paper material film, the edge d of the bonded edge B has a thin, sharp angled line shape as shown in FIG.

[0003]

[Problems to be solved by the invention]

 Therefore, the above-mentioned conventional packaging bag c is used to store articles, the packaging bag containing the articles is transported, and during various other handling, the packaging bag c is attached to the edge b. If you touch and rub with your hand or arm, you will often experience a sharp abrasion of your hand or arm as if you cut it with a sharp blade, and you will get unexpected deep injuries.

[0004] As a sheet-like packaging material of the above-mentioned packaging bag which is susceptible to danger, a laminated composite film of a plastic film and an aluminum foil has the greatest danger, and is relatively thick and hard. In the case of a plastic film or a slightly hard paper material film such as kraft paper, it is easily scratched.

The present invention has been developed with the object of solving the above-mentioned problems, and is a package formed by stacking sheet-like packaging materials and bonding the overlapped required edges. An object of the present invention is to provide a packaging bag that is safe to handle without causing a danger of abrasion even if a hand or an arm touches and slides the edge of the bag during handling.

[0006]

[Means for Solving the Problems]

 As a means for solving the above-mentioned problem and achieving the object, the present invention relates to a packaging bag formed by laminating at least two sheet-like packaging materials and bonding the overlapped required edges. The edges of one wrapping material are shifted outward from the edges of the other wrapping material and overlapped, and the overlapped edges are adhered and the bent margin is shifted by the shifted edge of the one wrapping material. The bent margin is bent toward the edge of the other packaging material, and the bent margins are adhered to each other in the vicinity of the edge of the edge, so that the margin is attached to the edge of the edge of the packaging bag. The present invention provides a packaging bag provided with a means for preventing hand-shearing at the periphery, wherein a rounded bent portion for preventing hand-shearing is formed.

[0007] The present invention also provides a packaging bag having the above-described structure provided with a means for preventing hand-cutting, wherein each of the sheet-like packaging materials is made of a laminated composite film of a plastic film and an aluminum foil. The packaging bag having the edge provided with hand-shear prevention means and the laminated composite film of at least two different types of plastic films are provided with hand-shear prevention means at the edge where each sheet-shaped packaging material is provided. By means of the applied packaging bag and one piece of slightly hard plastic film such as plastic film or kraft paper, a means for preventing hand tears is provided at the edges of each sheet-shaped packaging material. Each of these packaging bags is provided.

[0008]

[Embodiment of the invention]

 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 and FIG. 2 schematically show a first embodiment of the present invention. In this embodiment, for example, in this embodiment, two sheet-like packaging materials 2a and 2b having heat adhesiveness are overlapped, and the edges 3 and 3 on both sides of the overlap are heated. Adhesion is provided, and an opening 4 is provided at the upper side, and a standing bottom 5 for standing the packaging bag 1 at the lower side is folded and formed.

As shown in the enlarged view of FIG. 2, the two sheet-like packaging materials 2a and 2b are each a rectangular, 12 μm thick polyester film F ₁ and a 6 μm thick aluminum film. A foil F ₂ , a nylon film F _{3 having} a thickness of 12 μ, and a polyethylene film F ₄ having a thickness of 50 μ are sequentially laminated, and are constituted by a laminated composite film integrally bonded with an adhesive, as shown in FIGS. As shown in FIG. 2, the width of one packaging material 2a is formed to be slightly longer than the width of the other packaging material 2b.

Next, as schematically shown in FIGS. 5 and 6, one narrow packaging material 2b is superimposed on one wide packaging material 2a, and one of the narrow packaging materials 2b is placed on both sides of the packaging material 2b. The margins 2a ₁ and 2a ₁ of the packaging material 2a are made to protrude, and in this state, the edges 3 and 3 on both sides of the packaging materials 2a and 2b are heated and bonded, and the margins 2a ₁ and 2a _{1 are formed.} as folding margin, from a fold line 2a ₂ indicated by a chain line folded該折bending allowance 2a _1, 2a ₁ to the side edge of the other packaging material 2b, to a location proximal to the end side 2b ₁ of該辺edge It is to bend and heat-bond the bent opposing surfaces of the bend allowances 2a ₁ and 2a ₁ at that position. In this way, hand-cuts are prevented at the edges of both side edges of the packaging bag 1. For this purpose, a packaging bag provided with a rounded bent portion 6 is provided.

According to the above-described embodiment, according to the type of the articles stored in the packaging bag 1, during the handling, in order to prevent deterioration, taste, discoloration, etc. of the stored articles due to sunlight or the like. most hand cutting consists easily laminated composite plastic film with aluminum foil F ₂ is interposed produce sheet-shaped packaging material 2a, regardless of the make up the packaging bag 1 with 2b, on either side edge of the packaging bag 1 It is located each other hand cutting prevention means consisting of the bent portion 6 is only set rounded, thin sharp angular edge in the exposure of aluminum foil F ₂ and other plastic films F _1, F _3, F ₄ Therefore, it is possible to reliably prevent the handbag from being broken during handling of the packaging bag 1.

[0012] The place where the hand-cut prevention means including the rounded bent portion 6 is adopted is not limited to both side edges of the packaging bag 1 exemplified in the above-described embodiment. Depending on the type and form, it is appropriately adopted in places where hand cuts are likely to occur.

Next, FIGS. 3 and 4 schematically show a main part of another embodiment of the present invention, and FIG. 3 showing a second embodiment shows a sheet-like packaging material. FIG. 4 shows an example in which 2a and 2b are composed of a laminated composite film of two types of plastic films F ₅ and F ₆ that are slightly hard and have a thicker heat adhesion, and also shows a third embodiment. 4, sheet over preparative shaped packaging material 2a, 2b as kraft paper having a plastic laminate layer of one plastic film F ₇ or a heat bonding with the thick heat-adhesive at somewhat s hard to the while indicating one configuration the case with paper material film F ₇ of the thick at somewhat s hard, in terms of basic structure was adopted hand cutting prevention means consisting of the bent portion 6 with a rounded, the This is the same as the first embodiment, and has the same operation and effect. Therefore, the same parts as those in the first embodiment are denoted by the same reference numerals.

Although the main embodiment of the present invention has been described above, the present invention is not limited to this embodiment, but can be achieved within the scope that can achieve the purpose of the present invention and does not deviate from the gist of the present invention. Various design changes are possible.

[0015]

[Effect of the invention]

 The present invention relates to a packaging bag formed by laminating at least two sheet-like packaging materials and bonding the overlapped required edges to the edge of one packaging material. And the outer edges of the one packaging material are bonded together, and the shifted edge of the one packaging material forms a bend allowance. Of the packaging bag, and the bent margins are adhered to each other in the vicinity of the edge of the edge to form a rounded bent portion at the edge of the edge of the packaging bag to prevent hand cutting. The present invention relates to a packaging bag provided with a hand-shear prevention means at the periphery, which is most easily scratched on a hand or arm during handling of the packaging bag. A rounded bend is provided at the bonding edge of the material to make the sheet-like packaging material thin. Since the sharp corners are not exposed, it is possible to prevent the hand or arm from being scratched during handling of the packaging bag, and it is extremely safe. Therefore, there is an advantage that it can be easily applied to various types of packaging bags.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along the line AA of FIG.

FIG. 3 is an enlarged sectional view of a main part according to a second embodiment of the present invention.

FIG. 4 is an enlarged sectional view of a main part according to a third embodiment of the present invention.

FIG. 5 is an explanatory view of a first step for forming a hand cut prevention means in the present invention.

FIG. 6 is an enlarged sectional view taken along line BB of FIG. 5;

FIG. 7 shows a second embodiment of the present invention in which a means for preventing hand cut is formed.
It is explanatory drawing of a process.

FIG. 8 is an enlarged sectional view taken along line CC of FIG. 7;

FIG. 9 is a front view showing a part of a bonding edge of a sheet-like packaging material in a conventional packaging bag.

FIG. 10 is an enlarged sectional view taken along line DD of FIG. 9;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Packaging bag 2a Sheet-shaped packaging material 2a ₁ Surplus margin (bending margin) 2a ₂ Bending line 2b Sheet-shaped packaging material 2b ₁ Edge 3 Edge 4 Opening 5 Bottom for standing 6 Rounded bend Part F ₁ Polyester film F ₂ Aluminum foil F ₃ Nylon film F ₄ Polyethylene film F ₅ Thick plastic film F ₆ Thick plastic film F ₇ Thick plastic film (Thick paper material film) Packaging material B Edge C Packaging bag D Edge

Claims (4)

[Utility model registration claims] 1. A packaging bag formed by laminating at least two sheet-like packaging materials and bonding the overlapped required edges to one side of the packaging material. The overlapping edge is shifted outside the edge, and the overlapped edge is bonded, and a bent margin is formed by the shifted edge of the one packaging material. Bending to the edge side, bonding the bending margins to each other in the vicinity of the edge of the edge, and forming a rounded bent portion at the edge of the edge of the packaging bag to prevent hand cutting. A packaging bag provided with a hand-shear prevention means at the periphery. 2. The packaging bag according to claim 1, wherein each sheet-like packaging material is constituted by a laminated composite film of a plastic film and an aluminum foil. 3. The packaging bag according to claim 1, wherein each sheet-like packaging material is constituted by a laminated composite film of at least two different types of plastic films. 4. The wrapping material according to claim 1, wherein each sheet-like wrapping material is constituted by one piece of slightly hard plastic film or one piece of slightly hard paper material film such as kraft paper. Packaging bag with cut prevention means.