Structure for air-packing device

Details Structure for air-packing device Structure for air-packing device

2011-01-25

2011-01-25

Bui, Luan K (Department: 3728)

Special receptacle or package

Shock protection type

Inflated retainer

C383S003000

Reexamination Certificate

active

07874428

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: 4091852 (1978-05-01), Jordan et al.
patent: 6629777 (2003-10-01), Tanaka et al.
patent: 6978893 (2005-12-01), Peper
patent: 7165677 (2007-01-01), Tanaka et al.
patent: 7249612 (2007-07-01), Koyanagi
patent: 2003/0094394 (2003-05-01), Anderson et al.

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