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High-exhaust moistureproof novel structure

A new type of structure and venting hole technology, applied in the direction of anti-rot containers, containers, packaging, etc., can solve the problems of restrictions on the use of plastic packaging bags, reduce the strength of the bag body, and reduce the moisture-proof performance of the whole bag, so as to prevent the channel from sticking , solve the effect of moisture resistance and strength reduction

Inactive Publication Date: 2018-07-10
SHANGHAI AILU PACKAGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the excellent moisture-proof and barrier properties of plastic heavy packaging bags make them widely used in food, chemical and other industries. Applications in the field of pneumatic filling, while the use of plastic packaging bags in the construction industry, which mainly uses pneumatic filling, is greatly restricted
[0003] Although the bag body can be greatly improved by punching holes, there are problems such as reducing the strength of the bag body, greatly reducing the moisture-proof performance of the whole bag, and leakage of powdery materials. The exhaust efficiency is very low, and there are still risks such as reduced moisture resistance and material leakage through the labyrinth cuts

Method used

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  • High-exhaust moistureproof novel structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In the structure of the present invention, such as figure 1 , figure 2 As shown, the packaging bag is a square bag body, which includes a bag body 1; the bag body 1 includes an upper bottom surface, a lower bottom surface, a front flat side or a rear flat side; the overlapping area is arranged on the front flat side or the rear flat side. side; in figure 1 Among them, the overlapping area is located on the front flat side of the bag body 1; an exhaust channel is provided in the folding area, which is an exhaust channel; the bag body in this embodiment also includes a valve port structure; the valve port structure It is arranged on the upper bottom surface and bonded with the upper bottom surface.

[0021] Preferably, the bag body 1 is a polyethylene bag body, a polypropylene bag body or a paper-plastic composite film bag body; materials such as polyethylene (PE), polypropylene (PP), paper-plastic composite film bag bodies are used to make plastic packaging Common ma...

Embodiment 2

[0042] The difference between this embodiment and the first embodiment is that the barrier sheet 1-2 is arranged on the inner bag body 1-4 and is bonded to the inner bag body 1-4; the other parts in this embodiment It is the same as the first embodiment, so it will not be repeated here.

Embodiment 3

[0044] The difference between this embodiment and the first embodiment is that in this embodiment, the bag body 1 is a cylindrical bag body including two flat sides, and the structure is arranged on one of the flat sides of the cylindrical bag body. In the folding area of ​​the large and small pages on the side, the structure is bonded and connected to the outside of the cylindrical bag body; the barrier sheet is arranged in the overlapping area and connected to the outer bag body of the structure; other Part is the same as the first embodiment, so it will not be repeated here.

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Abstract

The invention discloses a high-exhaust moistureproof novel structure. The structure is arranged in an overlapping region of a flat side surface of a packing bag. The structure comprises two layers ofbag bodies and a layer of obstructing sheet. The outer layer bag body comprises a flanging folding structure and a first exhaust hole. The first exhaust hole is arranged on the position of the outer layer bag body. The inner layer bag body comprises a bonding structure, a second exhaust hole, and an anti-sticking structure. The bonding structure is continuously bonded with the outer layer bag body. The second exhaust hole is arranged on the head position of the inner layer bag body, and is connected with an exhaust channel in the overlapping region. The anti-sticking structure is arranged on the middle position of the inner layer bag body. The obstructing sheet is bonded and connected with the outer layer bag body or the inner layer bag body. The structure is applied in a composite packingbag, and can achieve exhaust ratio similar to that under a punching process on the premise of not punching on the bag bodies, and moistureproof property of an integrated bag and anti-impact intensityof the integrated bag are improved.

Description

technical field [0001] The invention relates to a novel structure, in particular to a novel structure with high exhaust and moisture resistance. The novel structure has double-layer functions of high exhaust and moisture resistance, and belongs to the technical field of production and packaging of nano-powder polymer materials. Background technique [0002] At present, the excellent moisture-proof and barrier properties of plastic heavy packaging bags make them widely used in food, chemical and other industries. The application in the field of air filling, and the use of plastic packaging bags in the construction industry, which mainly uses air filling, is greatly restricted. [0003] Although the bag body can be greatly improved by punching holes, there are problems such as reducing the strength of the bag body, greatly reducing the moisture-proof performance of the whole bag, and leakage of powdery materials. Exhaust efficiency is low, and there is still a risk of reduced...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D30/08B65D33/01B65D33/00B65D81/26
CPCB65D31/02B65D33/00B65D33/01B65D81/261
Inventor 陈安康
Owner SHANGHAI AILU PACKAGE