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Inflated bag

An inflatable bag and bag body technology, applied in the field of inflatable bags, can solve the problems of increased cost, complex structure of the inflatable bag, etc.

Inactive Publication Date: 2003-11-05
陆震
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current one-way valves are all composed of a complex valve, which makes the structure of the inflatable bag complicated and the cost increased

Method used

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  • Inflated bag
  • Inflated bag
  • Inflated bag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] See attached figure 1 , which is an already inflated bag that can be used as a pillow etc.

[0016] attached figure 2 The place with the black line is the hot-press bonding part, and the film at the hot-press bonding part includes the first bag wall [8], the second bag wall [11], the second inner film [10], the first inner film [9] All are glued together, and the first bag wall [8] wherein, the second bag wall [11] are also plastic film, only can have gas between the film of the blank space beside.

[0017] Mainly see attached image 3 , attached Figure 4 , attached Figure 5 , attached Figure 6 , attached Figure 7 , an inflatable bag comprising a bag body and an air inlet arranged on the bag body, the bag body is composed of a first bag wall [8] and a second bag wall [11], the first bag wall [8], the bag inflatable cavity [12] is formed between the second bag wall [11], and the second inner film [10] is arranged in the bag inflatable cavity [12]. The film [...

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PUM

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Abstract

The inflated bag includes an outer bag with air inlet and an inner film bag inside the outer bag and extending inwards from the air inlet. When the bag is less inflated, there will be some interval between the inner film bag and the outer bag; and when the bag is well inflated, the inner film bag will be close to the outer bag, with the interval being decreased with the increased inside pressureand the inside air being hard to release from the air inlet. The inflated bag can maintain in the inflated state for long time.

Description

technical field [0001] The invention relates to an inflatable bag, in particular to an inflatable bag which is not easy to leak after being inflated. Background technique [0002] In the prior art, the inflatable bag includes a bag body and an air inlet arranged on the bag body. The bag body is composed of a first bag wall and a second bag wall, and the first bag wall and the second bag wall The bag body inflation cavity is formed between them, and the air inlet is a one-way valve, so that the air flow can only enter the bag body but not flow out of the bag body. After the inflation is completed, the one-way valve is closed. The current one-way valves are all composed of a complicated valve, which makes the structure of the air bag complicated and the cost increased. Contents of the invention [0003] The object of the present invention is to provide an inflatable bag with a check valve with a simple structure. [0004] The technical solution of the present invention is:...

Claims

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Application Information

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IPC IPC(8): A47C27/08A47G9/00B29D22/02
CPCA47C27/087
Inventor 陆震
Owner 陆震