Laminate structure for collapsible dispensing container

Details Laminate structure for collapsible dispensing container Laminate structure for collapsible dispensing container

1983-12-28

1985-07-02

McCamish, Marion E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428167, 428 12, 428324, 428329, 428516, 428520, 222 92, 222107, 229 45, 220 1S, 524425, 524449, 524451, 524439, B32B 2708

Patent

active

045268231

ABSTRACT:
A plastic laminate sheet for making collapsible dispensing container comprises an outer layer of filled-plastic made of polypropylene or a blend of polypropylene, and high density polyethylene, and a filler, preferably calcium carbonate, incorporated therein. The outer filled-plastic layer is coextensively bonded to an inner layer of high density polyethylene to form the laminate sheet. An intermediate layer of an oxygen barrier plastic may be interposed in the laminate sheet in order to impart oxygen impermeability thereto.

REFERENCES:
patent: 3154461 (1964-10-01), Johnson
patent: 3861529 (1975-01-01), Coleman
patent: 3946905 (1976-02-01), Cogliano
patent: 4139665 (1979-02-01), Herrero

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