Foam article and method of preparation

Details Foam article and method of preparation Foam article and method of preparation

1983-01-20

1983-09-20

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264 464, 264 466, 4283166, B32B 326, B32B 514, B32B 520

Patent

active

044056818

ABSTRACT:
A foam article suitable for use as a seat cushion includes a supportive bottom layer of firm high density foam, a comfortable top layer of soft low density foam and a border or side wall of foam of intermediate density. The foam article has a sag factor of about 4.5 to about 6.5, and the foam layers and the side wall are bonded together without employing adhesives. A method of preparing the foam article also is disclosed.

REFERENCES:
patent: 3141206 (1964-07-01), Stephens
patent: 3520769 (1970-07-01), Baker
patent: 4190697 (1980-02-01), Ahrens
patent: 4385090 (1983-05-01), Sims

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