Scrim reinforced plastic film

Details Scrim reinforced plastic film Scrim reinforced plastic film

1976-12-02

1978-05-02

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

156 85, 156309, 428247, 428255, 428337, 428369, B32B 512

Patent

active

040875776

ABSTRACT:
Process for forming a scrim-reinforced film wherein a molten, film-forming plastic, such as polyethylene, in a high state of fluidity is fed onto an unsupported scrim and solidified by cooling to produce a scrim at least substantially completely enclosed and surrounded by the plastic. The film, thus produced, can be formed into a high strength bag container by a folding and cutting operation utilizing hot knife means capable of fusing and thus sealing the plastic. In a preferred embodiment, the plastic is extruded onto the scrim and is subsequently heat shrunk to cause the scrim fibers to buckle and give the appearance and feel as well as the strength of a reinforced material.

REFERENCES:
patent: 2281635 (1942-05-01), Strauss
patent: 2742391 (1956-04-01), Warp
patent: 3058863 (1962-10-01), Gaines et al.
patent: 3214320 (1965-10-01), Lappala et al.
patent: 3222237 (1965-12-01), McKelvy
patent: 3310453 (1967-03-01), Lappala et al.
patent: 3444024 (1969-05-01), Hillas
patent: 3535180 (1970-10-01), Gasaway
patent: 3616130 (1971-10-01), Rogosch
patent: 3762983 (1973-10-01), Osborn

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