Multi-layer flexible packaging material

Details Multi-layer flexible packaging material Multi-layer flexible packaging material

1985-03-20

1987-04-28

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

Of metal

428513, 428515, 428516, B32B 1508, B32B 2108

Patent

active

046614141

ABSTRACT:
A flexible, laminated packaging material comprising:
(a) an external layer of paper;
(b) a first internal layer of polyethylene affixed to the paper layer;
(c) a second internal layer of metallic foil affixed to the polyethylene layer; and
(d) an external, three component, co-extruded layer affixed to the metallic layer which includes a middle co-extrudate of high density polyethylene between outer co-extrudates formed from a blend of an ionomer resin with ethyl methacylate.

REFERENCES:
patent: 3480464 (1969-11-01), Lacy
patent: 4096309 (1978-06-01), Stillman
patent: 4188441 (1980-02-01), Cook
patent: 4254173 (1981-03-01), Peer, Jr.
patent: 4387126 (1983-06-01), Rebholz

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