Multiple layer packaging film

Details Multiple layer packaging film Multiple layer packaging film

1981-02-26

1983-06-21

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428 36, 428347, 428349, 428355, 4284758, 428483, 428515, 428516, 428520, 428913, B32B 702, C09J 702

Patent

active

043894500

ABSTRACT:
This invention is a multiple layer packaging film in which the outer polymeric layers cooperate to achieve, between themselves, a relatively constant coefficient of friction differential, a fin seal capability, and a lap seal capability; even after the film is stored in wound-up roll form.

REFERENCES:
patent: 3202528 (1965-08-01), James
patent: 4020228 (1977-04-01), Eastes
patent: 4121956 (1978-10-01), Sample
patent: 4218510 (1980-08-01), Willson
patent: 4294882 (1981-10-01), Andrews et al.

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