Bidirectional tensile plastic composite film packaging bag

By designing a compressed reinforcement structure of tensile plastic wings and periosteum in the composite film packaging bag, the problem of insufficient tensile performance of the composite film packaging bag is solved, significantly improving the tensile performance of the bag mouth and avoiding bag mouth breakage.

CN222347676UActive Publication Date: 2025-01-14NINGBO HANTENG PLASTIC PACKAGING CO LTD
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Patent Information

Application Number
CN202420857787.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-01-14
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

The tensile resistance of existing composite film packaging bags is poor, resulting in easy breakage at the pocket mouth after loading the items.

Method used

A two-way tensile plastic composite film packaging bag is designed, including tensile strips and tensile plastic perithes on both sides of the plastic bag body. The tensile plastic wings and perithes are reinforced by pressing and improving longitudinal tensile performance.

Benefits of technology

It effectively improves the longitudinal tensile performance of the plastic bag body, avoids breakage at the bag mouth, and enhances the tensile performance of the packaging bag.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of plastic bags, in particular to a bidirectional tensile plastic composite film packaging bag which comprises a plastic bag body, tensile strips are arranged on two sides of the plastic bag body, a tensile plastic periosteum is arranged between the two tensile strips, the tensile plastic periosteum is attached to the surface of the plastic bag body, and the tensile plastic periosteum is arranged on the surface of the plastic bag body. Tensile plastic periosteum is arranged on each of the two surfaces of the plastic bag body; the bidirectional tensile plastic composite film packaging bag has the advantages that one side of the plastic bag body is wrapped with the tensile plastic wings, the longitudinal tensile performance of the two sides of the plastic bag body can be effectively improved from the side edge, and the two tensile plastic periosteum bodies are arranged between the two tensile plastic wings, so that the tensile plastic composite film packaging bag is convenient to use. The tensile plastic periosteum and the plastic bag body are pressed together, so that the tensile reinforcement of the plastic bag body between the two tensile plastic wings is realized; the problem that an existing composite film packaging bag is poor in tensile property is further solved, and the phenomenon that after objects are loaded in the composite film packaging bag, a bag opening is tensioned and fractured can be avoided.
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Description

Technical Field

[0001] The utility model relates to the field of plastic bags, in particular to a double-way tensile plastic composite film packaging bag. Background Technique

[0002] A composite film packaging bag is a packaging bag formed by combining two or more materials through a specific process. These materials usually include plastics, papers, aluminum foils, etc., and are combined together by means of adhesion, heat sealing, etc. to form a packaging bag with specific properties.

[0003] In the prior art, roll-type composite film packaging bags are configured in the fresh food area and the fruit and vegetable area of supermarkets for shoppers to use. However, the traditional composite film packaging bags have poor tensile properties, and the phenomenon of the bag mouth being tensioned and broken after loading items occurs.

[0004] Therefore, we need a double-way tensile plastic composite film packaging bag to solve the problem of poor tensile properties of the existing composite film packaging bags, and can avoid the phenomenon of the bag mouth being tensioned and broken after the composite film packaging bag is loaded with items. Content of the Utility Model

[0005] The purpose of the utility model is to provide a double-way tensile plastic composite film packaging bag to solve the problem of poor tensile properties of the existing composite film packaging bags as mentioned in the above background technique, and can avoid the phenomenon of the bag mouth being tensioned and broken after the composite film packaging bag is loaded with items.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A double-way tensile plastic composite film packaging bag, including a plastic bag body, tensile strips are provided on both sides of the plastic bag body, a tensile plastic bone film is provided between the two tensile strips, the tensile plastic bone film is attached to the surface of the plastic bag body, and tensile plastic bone films are provided on both sides of the plastic bag body.

[0007] Preferably, the tensile strip includes a tensile plastic wing, the tensile plastic wing is in the shape of a "匚"-shaped strip, the tensile plastic wing is buckled on one side of the plastic bag body, and the two parallel side plates of the tensile plastic wing are fixed on the surface of the plastic bag body, and the tensile plastic bone film is fixed between the side plates of the two tensile plastic wings.

[0008] Preferably, the length of the long side of the tensile plastic wing is equal to the length of the long side of the plastic bag body, and a plurality of reserved openings are provided on the surface of the tensile plastic wing.

[0009] Preferably, the tensile plastic periosteum includes a transverse tensile plastic connecting piece and a long tensile plastic horizontal piece. The transverse tensile plastic connecting piece is a butterfly-shaped piece, that is, the transverse tensile plastic connecting piece is symmetrically integrally formed by two isosceles trapezoidal pieces, and is provided with two, two long tensile plastic horizontal pieces are respectively integrally formed at the two ends of the transverse tensile plastic connecting piece, and the long tensile plastic horizontal piece forms a closed end at the end of the transverse tensile plastic connecting piece.

[0010] Preferably, two short tensile-resistant plastic transverse pieces are integrally formed between the two isosceles trapezoidal pieces of the transverse tensile-resistant plastic connecting piece, and the two short tensile-resistant plastic transverse pieces are parallel.

[0011] Preferably, a Kara plastic vertical connecting piece is integrally formed between one side of the short tensile-resistant plastic horizontal piece and the transverse tensile-resistant plastic connecting piece, and the Kara plastic vertical connecting piece divides the area between the short tensile-resistant plastic horizontal piece and the transverse tensile-resistant plastic connecting piece into two right-angled trapezoidal openings.

[0012] Preferably, a bag opening anti-tensile connecting piece is integrally formed between the other side of the short tensile-resistant plastic horizontal piece and the long tensile-resistant plastic horizontal piece, and the bag opening anti-tensile connecting piece is in the shape of a "U" character.

[0013] Preferably, both side panels of the plastic bag body are provided with openings, and the openings are located in the grooves of the bag opening tensile-resistant connecting piece.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The bidirectional tensile-resistant plastic composite film packaging bag proposed by the utility model wraps the tensile-resistant plastic wing on one side of the plastic bag body, which can effectively improve the longitudinal tensile resistance of both sides of the plastic bag body from the side; a total of two tensile-resistant plastic periosteums are arranged between the two tensile-resistant plastic wings, and the tensile-resistant plastic periosteum and the plastic bag body are pressed together to achieve tensile reinforcement of the plastic bag body between the two tensile-resistant plastic wings; the problem of poor tensile resistance of the existing composite film packaging bag is further solved, and the phenomenon of the composite film packaging bag being stretched and broken at the bag mouth after loading items can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a top view of the structure of the utility model;

[0018] Figure 3 for Figure 2 Structural cross-section at AA in the middle;

[0019] Figure 4 for Figure 3 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 5Schematic diagram of the connection structure of the tensile plastic wing and the transverse tensile plastic connecting piece of the present utility model;

[0021] Figure 6 is Figure 5 Enlarged schematic diagram of the structure at position B in;

[0022] Figure 7 Schematic diagram of the tensile plastic wing structure of the present utility model;

[0023] Figure 8 Schematic diagram of the transverse tensile plastic connecting piece structure of the present utility model.

[0024] In the figure: plastic bag body 1, tensile plastic wing 2, transverse tensile plastic connecting piece 3, tensile plastic long transverse piece 4, tensile plastic short transverse piece 5, karat plastic vertical connecting piece 6, bag mouth tensile connecting piece 7, through hole 8, reserved hole 9. Specific implementation manner

[0025] In order to clearly and completely describe the purpose, technical solution of the present utility model, and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0026] Please refer to Figure 1-Figure 8 , the present utility model provides a technical solution: a double-sided tensile plastic composite film packaging bag, including a plastic bag body 1, tensile strips are provided on both sides of the plastic bag body 1, the tensile strips include tensile plastic wings 2, the tensile plastic wings 2 are in a "C" - shaped strip, the tensile plastic wings 2 are buckled on one side of the plastic bag body 1, and both parallel - distributed side plates of the tensile plastic wings 2 are fixed on the surface of the plastic bag body 1, a tensile plastic bone film is fixed between the side plates of the two tensile plastic wings 2, the length of the long side of the tensile plastic wings 2 is equal to the length of the long side of the plastic bag body 1, and a plurality of reserved holes 9 are opened on the surface of the tensile plastic wings 2; Wrapping the tensile plastic wings 2 on one side of the plastic bag body 1 can effectively improve the longitudinal tensile performance on both sides of the plastic bag body 1 from the side, and the tensile plastic bone film is fixed between the side plates of the two tensile plastic wings 2, that is, there are two tensile plastic bone films in total between the two tensile plastic wings 2, and the tensile plastic bone film and the plastic bag body 1 are pressed together to realize the tensile reinforcement of the plastic bag body 1 between the two tensile plastic wings 2;

[0027] A tensile plastic periosteum is provided between the two tensile strips. The tensile plastic periosteum is attached to the surface of the plastic bag body 1, and tensile plastic periosteum is provided on both sides of the plastic bag body 1. The tensile plastic periosteum includes a transverse tensile plastic connecting piece 3 and a tensile plastic long horizontal piece 4. The transverse tensile plastic connecting piece 3 is a butterfly-shaped piece, that is, the transverse tensile plastic connecting piece 3 is symmetrically integrally formed by two isosceles trapezoidal pieces, and is provided with two, two tensile plastic long horizontal pieces 4 are respectively integrally formed at the two ends of the transverse tensile plastic connecting piece 3, and the tensile plastic long horizontal piece 4 forms a closed portion at the end of the transverse tensile plastic connecting piece 3. Mouth, two tensile plastic short horizontal pieces 5 are integrally formed between the two isosceles trapezoidal pieces of the transverse tensile plastic connecting piece 3, the two tensile plastic short horizontal pieces 5 are parallel, and a Kara plastic vertical connecting piece 6 is integrally formed between one side of the tensile plastic short horizontal piece 5 and the transverse tensile plastic connecting piece 3, and the Kara plastic vertical connecting piece 6 divides the area between the tensile plastic short horizontal piece 5 and the transverse tensile plastic connecting piece 3 into two right-angled trapezoidal mouths, and a bag mouth tensile connecting piece 7 is integrally formed between the other side of the tensile plastic short horizontal piece 5 and the tensile plastic long horizontal piece 4, and the bag mouth tensile connecting piece 7 is a "U"-shaped piece;

[0028] Two long tensile plastic horizontal pieces 4 are respectively arranged at the two ends of the tensile plastic wing 2 to realize transverse tensile reinforcement of the top and bottom of the plastic bag body 1, and short tensile plastic horizontal pieces 5 are arranged on the surface of the tensile plastic wing 2 to add a transverse tensile reinforcement structure in the area between the long tensile plastic horizontal pieces 4 and the tensile plastic wing 2, and vertical Kara plastic connecting pieces 6 and bag opening tensile connecting pieces 7 are respectively arranged on both sides of the short tensile plastic horizontal pieces 5. The vertical Kara plastic connecting pieces 6 and bag opening tensile connecting pieces 7 respectively connect the tensile plastic wing 2 and the long tensile plastic horizontal pieces 4, that is, a longitudinal tensile structure is formed between the long tensile plastic horizontal pieces 4 and the tensile plastic wing 2.

[0029] The two side panels of the plastic bag body 1 are both provided with openings 8, which are located in the grooves of the bag opening tensile-resistant connecting piece 7. After the fingers pass through the openings 8, the plastic bag body 1 is pulled up. At this time, both the plate body of the bag opening tensile-resistant connecting piece 7 and the plate body of the tensile-resistant plastic long horizontal piece 4 are pulled up, thereby avoiding the breakage at the pulling point caused by only pulling the top of the plastic bag body 1.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A two-way tensile plastic composite film packaging bag, comprising a plastic bag body (1), characterized in that: Both sides of the plastic bag body (1) are provided with tensile strips, and a tensile plastic bone film is arranged between the two tensile strips. The tensile plastic bone film is attached to the surface of the plastic bag body (1), and the tensile plastic bone film is provided on both sides of the plastic bag body (1).

2. The bidirectional tensile plastic composite film packaging bag according to claim 1, characterized in that: The tensile strip includes a tensile plastic wing (2). The tensile plastic wing (2) is in a "C"-shaped strip. The tensile plastic wing (2) is buckled on one side of the plastic bag body (1), and the two parallel side plates of the tensile plastic wing (2) are fixed on the surface of the plastic bag body (1). The tensile plastic bone film is fixed between the side plates of the two tensile plastic wings (2).

3. The bidirectional tensile plastic composite film packaging bag according to claim 2, characterized in that: The length of the long side of the tensile plastic wing (2) is equal to the length of the long side of the plastic bag body (1), and a plurality of reserved openings (9) are formed on the surface of the tensile plastic wing (2).

4. The bidirectional tensile plastic composite film packaging bag according to claim 1, characterized in that: The tensile plastic bone film includes a transverse tensile plastic connecting piece (3) and a tensile plastic long transverse piece (4). The transverse tensile plastic connecting piece (3) is in a butterfly-shaped piece, that is, the transverse tensile plastic connecting piece (3) is symmetrically integrally formed by two isosceles trapezoidal pieces. There are two of them. The two tensile plastic long transverse pieces (4) are respectively integrally formed at both ends of the transverse tensile plastic connecting piece (3). The tensile plastic long transverse piece (4) forms a closed mouth at the end of the transverse tensile plastic connecting piece (3).

5. The bidirectional tensile plastic composite film packaging bag according to claim 4, characterized in that: Two tensile plastic short transverse pieces (5) are integrally formed between the two isosceles trapezoidal pieces of the transverse tensile plastic connecting piece (3), and the two tensile plastic short transverse pieces (5) are parallel to each other.

6. The bidirectional tensile plastic composite film packaging bag according to claim 5, characterized in that: A Kara plastic vertical connecting piece (6) is integrally formed between one side of the tensile plastic short transverse piece (5) and the transverse tensile plastic connecting piece (3). The Kara plastic vertical connecting piece (6) divides the area between the tensile plastic short transverse piece (5) and the transverse tensile plastic connecting piece (3) into two right trapezoidal openings.

7. The bidirectional tensile plastic composite film packaging bag according to claim 5, characterized in that: A bag mouth tensile connecting piece (7) is integrally formed between the other side of the tensile plastic short transverse piece (5) and the tensile plastic long transverse piece (4). The bag mouth tensile connecting piece (7) is in a "hui"-shaped piece.

8. The bidirectional tensile plastic composite film packaging bag according to claim 7, characterized in that: Through openings (8) are formed on the two side plates of the plastic bag body (1), and the through openings (8) are located in the slots of the bag mouth tensile connecting piece (7).