CN219361865U

CN219361865U - Aluminum foil bag of composite PET

Info

Publication number: CN219361865U
Application number: CN202222031481.5U
Authority: CN
Inventors: 张强
Original assignee: Weinan Sipujia Plastic Color Printing Co ltd
Current assignee: Weinan Sipujia Plastic Color Printing Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-07-18
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the field of aluminum foil bags, in particular to a composite PET aluminum foil bag, which has the technical scheme that: the novel plastic bag comprises a bag body, wherein the bag body consists of a PET film layer, an aluminum foil layer, a polyamide film layer and a CPE film layer, the PET film layer, the aluminum foil layer, the polyamide film layer and the CPE film layer are sequentially arranged from outside to inside, the novel plastic bag further comprises a damping mechanism, the damping mechanism comprises a buffering component and a limiting component, the buffering component is arranged at the front end and the rear end of the bag body, the buffering component is arranged between the PET film layer and the aluminum foil layer, the limiting component is arranged on the buffering component, and the limiting component is arranged at the outer side of the PET film layer, and the novel plastic bag has the beneficial effects that: the novel PET aluminum foil bag has the advantages that the novel PET aluminum foil bag has the function of a conventional composite PET aluminum foil bag, and meanwhile, the novel PET aluminum foil bag also has better buffering and damping performance, can effectively prevent articles from being broken when being transported or carried after being packaged, or can cause the articles inside the aluminum foil bag to be damaged due to vibration, improves the using effect, and is suitable for popularization and use.

Description

Aluminum foil bag of composite PET

Technical Field

The utility model relates to the field of aluminum foil bags, in particular to a PET composite aluminum foil bag.

Background

The aluminum foil bag is made of a plurality of plastic films which are combined and then made by a bag making machine, is used for packaging food, pharmaceutical industry products, daily necessities and the like, and has the characteristics of opacity, silvery white color, reverse luster, good barrier property, heat sealing property, fragrance retention, softness and the like.

The conventional aluminum foil bags are mostly formed by hot press molding of two composite films formed by compositing PET films, aluminum foils and polyethylene films, wherein the PET films have better hardness, so that the aluminum foil bags composited with PET have better puncture resistance.

Through searching, the patent of the utility model of the aluminum foil bag of the composite PET with the bulletin number of CN 216154414U has the advantages of high processing cost and cost reduction because of using the traditional aluminum foil for compounding, but has the following obvious defects in the actual use process, and does not have a protective function, so that the risk of damage caused by falling or impact exists when the packaged article is carried and transported, and the further improvement is still needed, and therefore, the aluminum foil bag of the composite PET is very necessary.

Disclosure of Invention

To this end, the present utility model provides an aluminum foil pouch of composite PET to solve the problems set forth in the background art described above.

In order to achieve the above object, the present utility model provides the following technical solutions: the aluminum foil bag comprises a bag body, wherein the bag body consists of a PET film layer, an aluminum foil layer, a polyamide film layer and a CPE film layer, and the PET film layer, the aluminum foil layer, the polyamide film layer and the CPE film layer are sequentially arranged from outside to inside, and further comprises a damping mechanism;

the damping mechanism comprises a buffer component and a limiting component, wherein the buffer component is arranged at the front end and the rear end of the bag body and is positioned between the PET film layer and the aluminum foil layer, the limiting component is arranged on the buffer component, and the limiting component is positioned at the outer side of the PET film layer.

Preferably, the buffer assembly comprises two bulges, the two bulges are arranged on the PET film layer, the two bulges are symmetrically arranged at the front end and the rear end of the bag body, and a containing cavity is formed between the bulges and the aluminum foil layer.

Preferably, the buffer assembly further comprises two inflatable bags, and the two inflatable bags are respectively arranged in the two accommodating cavities.

Preferably, two air bag lateral parts all run through the valve core, valve core quantity is two, spacing subassembly sets up on the valve core surface.

Preferably, through holes are formed in two side parts of the bulge, the two through holes correspond to the two valve cores one by one respectively, and one end of the valve core, which is far away from the inflatable bag, penetrates through the corresponding through hole.

Preferably, the surfaces of the two valve cores are fixedly connected with sealing gaskets, the two sealing gaskets are respectively arranged inside the two accommodating cavities, and the surfaces of the two sealing gaskets are respectively adhered to the side parts of the two inflatable bags.

Preferably, the limiting component comprises two limiting pieces, the two limiting pieces are respectively and fixedly connected to the surfaces of the two valve cores, and the surfaces of the two limiting pieces are respectively attached to the outer surfaces of the two bulges.

Preferably, the edges of the PET film layer, the aluminum foil layer, the polyamide film layer and the CPE film layer are bonded in a hot-pressing mode, and a bag opening is formed in the top of the bag body.

The beneficial effects of the utility model are as follows:

1. through the matched use of the bag body, the PET film layer, the aluminum foil layer, the polyamide film layer, the CPE film layer and the damping mechanism, the utility model has the function of the conventional composite PET aluminum foil bag, and simultaneously has better buffering and damping performance, can effectively prevent the situation that the articles in the aluminum foil bag are damaged due to falling damage or impact when the articles are transported and carried after being packaged, improves the use effect, and is suitable for popularization and use;

2. the PET film layer has better puncture resistance, so that the PET film layer has the function of protecting articles in the aluminum foil bag, and simultaneously can effectively protect the inflatable bag from being punctured, and has the advantages of novel structure and reasonable design;

3. according to the utility model, the valve core is arranged at the side part of the bulge arranged on the bag body, so that the occupied space can be reduced, and the adjacent two bag bodies can be prevented from being worn by the valve core;

4. the utility model has better selectivity, can not fill gas into the air bag when the articles to be packaged are not in fear of vibration, and can fill gas into the air bag when the articles to be packaged are fragile articles, thereby having better use effect.

Drawings

FIG. 1 is a perspective view of a structure provided by the present utility model;

FIG. 2 is a cross-sectional view of a structure in a top view provided by the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a partial cross-sectional view of the present utility model in a front view;

FIG. 5 is an enlarged view at B in FIG. 4;

fig. 6 is a front view of the structure provided by the present utility model.

In the figure: 1. a bag body; 2. a PET film layer; 3. an aluminum foil layer; 4. a polyamide film layer; 5. CPE film layer; 6. a pocket mouth; 7. a bulge; 8. a receiving chamber; 9. an inflatable bag; 10. a valve core; 11. a through hole; 12. a sealing gasket; 13. and a limiting piece.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-6, the aluminum foil bag of composite PET provided by the utility model comprises a bag body 1, wherein the bag body 1 is composed of a PET film layer 2, an aluminum foil layer 3, a polyamide film layer 4 and a CPE film layer 5, the PET film layer 2, the aluminum foil layer 3, the polyamide film layer 4 and the CPE film layer 5 are sequentially arranged from outside to inside, and the edges of the PET film layer 2, the aluminum foil layer 3, the polyamide film layer 4 and the CPE film layer 5 are bonded by hot pressing, so that under the action of the PET film layer 2, the bag body 1 has better puncture resistance, under the action of the aluminum foil layer 3, the bag body 1 has the performances of dampproof, shielding and the like, under the action of the polyamide film layer 4, the bag body 1 has the performances of high mechanical strength, high softening point, heat resistance, low friction coefficient and the like, and under the action of the CPE film layer 5, the bag body 1 has better performances of static resistance, sealing and the like, and the conventional composite aluminum foil bag can have the functions, and the bag body 1 is provided with a bag mouth 6, and comprises a mechanism, the buffer layer 1 and a buffer component 2, and a buffer component 2 are arranged at the two ends of the buffer component and the buffer component 2;

the buffer component comprises bulges 7, the number of the bulges 7 is two, the two bulges 7 are arranged on the PET film layer 2, the two bulges 7 are symmetrically arranged at the front end and the rear end of the bag body 1, a containing cavity 8 is formed between the bulges 7 and the aluminum foil layer 3, the front end and the rear end of the bag body 1 are provided with the two bulges, the two bulges are formed on the outermost PET film layer 2, the buffer component further comprises air bags 9, the number of the air bags 9 is two, the two air bags 9 are respectively arranged in the two containing cavities 8, so the two air bags 9 are positioned in the two bulges 7, the PET film layer 2 can effectively protect the air bags 9 from being pierced while having the function of protecting the inner articles of the aluminum foil bags, the structure is reasonable in design, the buffer function of the air bags 9 is novel, the buffer component can also have better buffer and shock absorption performance while having the function of the conventional composite PET aluminum foil bags, and can effectively prevent the articles from being broken due to falling down or the inner articles from being damaged due to the mutual impact and vibration;

the two air bags 9 are provided with two valve cores 10 in a penetrating mode, the number of the valve cores 10 is two, the limiting assemblies are arranged on the surfaces of the valve cores 10, through holes 11 are formed in the side portions of the two bulges 7, the two through holes 11 correspond to the two valve cores 10 one by one, one end, far away from the air bags 9, of each valve core 10 penetrates through the corresponding through hole 11, the through holes 11 formed in the side portions of the corresponding bulges 7 extend out of the outside, therefore, a user can conveniently conduct air inflation or air deflation operation on the air bags 9, the valve cores 10 are arranged on the side portions of the bulges 7 formed in the bag bodies 1, occupied space can be reduced, mutual abrasion between the adjacent two bag bodies 1 due to the valve cores 10 can be prevented, the structural design is reasonable, the surfaces of the two valve cores 10 are fixedly connected with sealing gaskets 12, the two sealing gaskets 12 are respectively arranged in the two accommodating cavities 8, the surfaces of the two sealing gaskets 12 are respectively adhered to the side portions of the two air bags 9, and the valve cores 10 can be connected with the air bags 9 in a sealing mode, and the air bags 9 are prevented from being leaked;

the limiting component comprises limiting pieces 13, the number of the limiting pieces 13 is two, the two limiting pieces 13 are respectively and fixedly connected to the surfaces of the two valve cores 10, and the surfaces of the two limiting pieces 13 are respectively attached to the outer surfaces of the two bulges 7, so that the valve cores 10 can be limited under the action of the limiting pieces 13, the valve cores 10 are prevented from being retracted into the accommodating cavity 8 from the through holes 11, and even if one end of the valve cores 10, which is far away from the inflatable bags 9, can be stably exposed, the structural design of the utility model is reasonable.

The application process of the utility model is as follows: the user firstly puts the articles to be packaged into the bag body 1, then seals the bag opening 6, when the articles to be packaged do not fear vibration, the user can not need to fill gas into the inflatable bag 9, and when the articles to be packaged are fragile articles, the user can fill gas into the inflatable bag 9 through the valve core 10 by using equipment such as an inflator, and the like, so that the bag has better selectivity and better use effect;

the inflatable bag 9 is arranged in the accommodating cavity 8, namely the inflatable bag 9 is positioned in the bulge 7, so that the PET film layer 2 can effectively protect the inflatable bag 9 from being pierced while having the function of protecting articles in the aluminum foil bag, the structure is novel, the design is reasonable, and under the buffering effect of the inflatable bag 9, the novel PET aluminum foil bag has the function of a conventional composite PET aluminum foil bag, and meanwhile has better buffering and damping performance, so that the novel PET aluminum foil bag can effectively prevent articles in the aluminum foil bag from being broken when being carried after being packaged or from being damaged due to vibration caused by mutual collision;

because the valve core 10 extends out from the outside through holes 11 arranged on the side parts of the bulges 7, the operation of inflating or deflating the inflatable bag 9 by a user is convenient, and the valve core 10 is arranged on the side parts of the bulges 7 arranged on the bag bodies 1, so that occupied space can be reduced, the mutual abrasion of the two adjacent bag bodies 1 due to the valve core 10 can be prevented, and the structural design is reasonable;

under the action of the limiting piece 13, the valve core 10 can be limited, the valve core 10 is prevented from being retracted into the accommodating cavity 8 from the through hole 11, and even if one end of the valve core 10, which is far away from the inflatable bag 9, can be stably exposed, so that the valve core is reasonable in structural design.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides an aluminum foil bag of compound PET, includes bag body (1), and bag body (1) comprises PET thin film layer (2), aluminium foil layer (3), polyamide rete (4) and CPE rete (5), PET thin film layer (2), aluminium foil layer (3), polyamide rete (4) and CPE rete (5) are from outer to interior setting gradually, its characterized in that: the device also comprises a damping mechanism;

the damping mechanism comprises a buffer component and a limiting component, wherein the buffer component is arranged at the front end and the rear end of the bag body (1), the buffer component is arranged between the PET film layer (2) and the aluminum foil layer (3), the limiting component is arranged on the buffer component, and the limiting component is arranged outside the PET film layer (2).

2. The aluminum foil pouch of composite PET of claim 1, wherein: the buffer assembly comprises bulges (7), the number of the bulges (7) is two, the two bulges (7) are arranged on the PET film layer (2), the two bulges (7) are symmetrically arranged at the front end and the rear end of the bag body (1), and a containing cavity (8) is formed between the bulges (7) and the aluminum foil layer (3).

3. A PET-compounded aluminum foil bag according to claim 2, wherein: the buffer assembly further comprises two inflatable bags (9), and the two inflatable bags (9) are respectively arranged in the two accommodating cavities (8).

4. A PET-compounded aluminum foil bag according to claim 3, wherein: the two side parts of the inflatable bags (9) are respectively penetrated with a valve core (10), the number of the valve cores (10) is two, and the limiting assembly is arranged on the surface of the valve cores (10).

5. The aluminum foil pouch of composite PET of claim 4, wherein: the side parts of the two bulges (7) are respectively provided with a through hole (11), the two through holes (11) are respectively in one-to-one correspondence with the two valve cores (10), and one end of each valve core (10) far away from the inflatable bag (9) penetrates through the corresponding through hole (11).

6. The aluminum foil pouch of composite PET of claim 4, wherein: the surfaces of the two valve cores (10) are fixedly connected with sealing gaskets (12), the two sealing gaskets (12) are respectively arranged inside the two accommodating cavities (8), and the surfaces of the two sealing gaskets (12) are respectively adhered to the side parts of the two inflatable bags (9).

7. The aluminum foil pouch of composite PET of claim 5, wherein: the limiting assembly comprises two limiting pieces (13), wherein the number of the limiting pieces (13) is two, the two limiting pieces (13) are respectively and fixedly connected to the surfaces of the two valve cores (10), and the surfaces of the two limiting pieces (13) are respectively attached to the outer surfaces of the two bulges (7).

8. The aluminum foil pouch of composite PET of claim 1, wherein: the PET film layer (2), the aluminum foil layer (3), the polyamide film layer (4) and the CPE film layer (5) are bonded by hot pressing at the edge, and a bag opening (6) is formed in the top of the bag body (1).