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Air sealing body with strengthened air-tight function

An air-tight body and gas-enhanced technology, which is applied in the direction of preventing mechanical damage, packaging of vulnerable items, containers, etc., can solve the problem of unusable gas packaging bags

Active Publication Date: 2011-02-02
KUNSHAN AIRBAG PACKING CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The gas in the air chamber 23 will flow to the inflatable channel 22 through the gap created by the loosening of the heat seal point 24b, and leak out through the inflatable channel 22, making the gas packaging bag unusable
It can be seen from this how to improve the structure of the gas packaging bag so that when the heat sealing point is squeezed by the air and gradually loosens, it can avoid the gas in the gas chamber from leaking out and cause the lack of poor cushioning effect, thereby prolonging the life of the gas packaging bag. Service life is an urgent problem to be solved by those skilled in the art

Method used

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  • Air sealing body with strengthened air-tight function
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  • Air sealing body with strengthened air-tight function

Examples

Experimental program
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Embodiment Construction

[0052] Please refer to Figure 3A , Figure 3B as well as Figure 3C , as shown in the figure are two wall-mounted air seals, Figure 3A is the cross-sectional view after inflating, Figure 3B is the plan view before inflation, Figure 3C It is a cross-sectional view of the gas leakage of the gas chamber.

[0053] An air-sealed body with enhanced airtight function according to an embodiment of the present invention includes: two outer films 2 a and 2 b , two inner films 1 a and 1 b , an inflation channel 9 , an air chamber 11 , and an air intake channel 13 .

[0054] Two outer membranes 2a and 2b are stacked up and down. The two inner membranes 1a and 1b are attached to the outer membrane 2a or 2b, and a heat-resistant material 1c is coated between the two inner membranes 1a and 1b, so that the heat-resistant material 1c can be used as a passage for air to circulate. heat-sealing with heat-sealing means along the heat-sealing lines 3a, 3b, 3c, 3d, and 3e, and heat-sealin...

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Abstract

The airtight body with reinforced airtight function includes two layers of superposed outer film and two layers of inner film between the two layers of outer film, with heat resisting material being painted to some specific areas inside the inner film layers to form inflating channel blocking air. Below the heat resisting areas, an arc passage is formed to lead air into the air storing chamber. The inflating channel may be located in the upper section or the middle section for one-way air intake or two-way air intake, so as to speed inflating and form automatically reinforced air chamber.

Description

technical field [0001] The invention relates to an air sealing body, in particular to an air sealing body with one-way or two-way air intake and airtight function. Background technique [0002] At present, when packaging items, most of them use bubble paper or Styrofoam to wrap the contents, and then put them into cartons to avoid collisions of the contents during transportation. However, although the bubble wrap can be closely attached to the surface of the package, the effect of preventing collision is poor. Styrofoam is bulky and takes up a lot of space, and is not easily decomposed by microorganisms. Incineration will release poisonous gas that is harmful to the human body, causing serious environmental pollution. In order to solve the lack of bubble paper and Styrofoam, a gas packaging bag made of resin film and an air-intake inner film has been developed. It is heat-sealed to form an air column in a sealed state. The air inlet for inflation and the air inlet channel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D81/03B65D85/30
Inventor 廖建华简伯欣廖耀鑫
Owner KUNSHAN AIRBAG PACKING CORP