Coextruded laminar thermoplastic bags

Details Coextruded laminar thermoplastic bags Coextruded laminar thermoplastic bags

1979-12-14

1981-12-01

Lesmes, George F.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428516, 428220, 15624411, B32B 2708

Patent

active

043037097

ABSTRACT:
A thermoplastic bag particularly adapted for the containment and storage of foods comprising a laminar bag structure having an interior layer of a high density polyethylene copolymer and an exterior layer of polypropylene. The layers are intimately and continuously bonded together at their interface. Such bag structures are suitable for the containment of foodstuffs while they are being heated or reheated following storage.

REFERENCES:
patent: 3481804 (1969-12-01), Snyder
patent: 3496061 (1970-02-01), Freshour et al.
patent: 3579416 (1971-05-01), Schrenk
patent: 4147827 (1979-04-01), Breidt et al.
patent: 4211825 (1980-07-01), Shipman

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