Method of sealing laminar thermoplastic films and bags

Details Method of sealing laminar thermoplastic films and bags Method of sealing laminar thermoplastic films and bags

1983-03-24

1984-12-18

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624411, 15624413, 15624414, 428 35, 428349, 4284758, 4284761, 428525, B32B 3118

Patent

active

044889240

ABSTRACT:
A heat sealable film laminate having a first layer of a major amount of a high density polyolefin, a minor proportion of an adhesion promoting ionomer and a heat seal promoting proportion of a metal salt of a fatty acid; and a second layer adhering to the first layer, said layer comprising a polyamide. A food storage and heating bag formed from said laminate and a method of heat sealing said laminate.

REFERENCES:
patent: 3791915 (1974-02-01), Goehring et al.
patent: 3819792 (1974-06-01), Ono et al.
patent: 3836620 (1974-09-01), Bhute et al.
patent: 4169910 (1979-10-01), Graboski
patent: 4220684 (1980-09-01), Olson
patent: 4340558 (1982-07-01), Hendrickson

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