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an air seal

An air-tight body and air chamber technology, which is applied in the direction of containers, containers, transportation and packaging to prevent mechanical damage, and can solve the problems of difficult insertion and easy adhesion of air gun air nozzles.

Inactive Publication Date: 2018-06-05
珠海徐太日用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the air sealing body of a structure in the second prior art (see patent 201520163148.7), the air-inflating channel is formed between the two inner membranes. Since the inner membrane has the characteristics of an air valve, the material is required to be soft, thin and easy to stick. Therefore, the air gun nozzle It is difficult to insert when inserting the inflatable channel

Method used

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Embodiment 1

[0023] Such as Figure 1 to Figure 3 , the air-tight body in this embodiment, including the front outer membrane 1a, the rear outer membrane 1b, the front inner membrane 2a, the rear inner membrane 2b, the inflation channel 3, a plurality of air chambers 4, the top heat-sealing line 5, and the middle heat-sealing Line 6, bottom heat seal line 7, longitudinal heat seal line 8 and air intake channel 9.

[0024] The anterior adventitia 1a and the posterior adventitia 1b overlap up and down.

[0025] The anterior intima 2a and the posterior intima 2b are superimposed and located between the anterior adventitia 1a and the posterior adventitia 1b, and the top edge line 2c of the anterior and posterior intima is lower than the top edge line 1c of the anterior and posterior adventitia . In this embodiment, the size of the anterior and posterior adventitia is the same, the size of the anterior and posterior intima is also the same, and the width of the intima is the same as that of t...

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Abstract

The invention discloses an air sealing body. A forky isolation heat sealing line is arranged on the top of a longitudinal heat sealing line. One part of a heat resisting block is arranged above a middle heat sealing line, and the other part of the heat resisting block is arranged below the middle heat sealing line. The left and / or right side of the portion, above the middle heat sealing line, of the heat resisting block intersect / intersects with the adjacent isolation heat sealing line. A front outer film, a front inner film, a rear inner film and a rear outer film are bonded through the position, intersecting with the heat resisting block, of the isolation heat sealing line, and at the intersection of the isolation heat sealing line and the heat resisting block, the front inner film and the front outer film are bonded, and the rear inner film and the rear outer film are bonded. According to the air sealing body, due to the fact that the inner films are fixed to the outer films through the longitudinal heat sealing line and the isolation heat sealing line in a multi-point mode, an inflation channel opened firstly can assist in opening of an air inlet in the inflation process, inflation pressure is reduced, and inflation speed is high.

Description

【Technical field】 [0001] The invention relates to the technical field of packaging consumables, in particular to a novel air sealing body which can automatically open an air inlet. 【Background technique】 [0002] The air-tight body is widely used because of its good anti-shock and anti-drop performance. Existing technology 1: For example, in the air sealing body in patent 200610067311.5, the air-inflating channel is formed between two outer membranes; after inflation, the deformation of the outer membrane drives the deformation of the inner membrane to automatically open the air inlet. The air sealing body of this structure The required inflation pressure is high; and when inflated, the inflation channel expands, and the two outer membranes are pulled apart in the longitudinal direction and tightened in the transverse direction. Since the inner membrane is fixed on the outer membrane by heat sealing points, the air intake formed by the two inner membranes If one air inlet i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D81/03
CPCB65D81/03
Inventor 谢德
Owner 珠海徐太日用品有限公司
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