Structure of air-packing device

Details Structure of air-packing device Structure of air-packing device

2005-09-19

2008-11-04

Bui, Luan K (Department: 3728)

Special receptacle or package

Shock protection type

Inflated retainer

C383S003000

Reexamination Certificate

active

07445117

ABSTRACT:
An air-packing device has an improved shock absorbing capability to protect a product in a container box. The air-packing device is comprised of first and second thermoplastic films where predetermined portions are bonded thereby creating a plurality of air containers, a plurality of heat-seal lands each sealing the first and second thermoplastic films in a small area of the air container thereby creating a plurality of series connected air cells for each air container, a plurality of check valves for corresponding air containers for allowing the compressed air to flow in a forward direction. The plurality of heat-seal lands at predetermined sides of the air-packing device create triangled areas of the air cells, and the air-packing device is folded at the heat-seal lands, thereby creating an inner space for packing a product therein.

REFERENCES:
patent: 2651314 (1953-09-01), Hasselquist
patent: 5469966 (1995-11-01), Boyer
patent: 5692833 (1997-12-01), DeLuca
patent: 5826723 (1998-10-01), Jaszai
patent: 6629777 (2003-10-01), Tanaka et al.
patent: 7165677 (2007-01-01), Tanaka et al.
patent: 7201273 (2007-04-01), Chen et al.

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