Integral composite foam product and method

Details Integral composite foam product and method Integral composite foam product and method

1980-10-23

1982-09-21

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283099, 4283166, 4283186, 4283193, B32B 326

Patent

active

043507344

ABSTRACT:
The invention is directed to a rigid article comprising a soft foam member, preferably open cell polyurethane, adhered to at least one surface of said soft foam member, a hard polyurethane resin member; said adhesion being obtained by way of penetration of hard resin affording material into cells of said soft foam member for a distance sufficient to provide a substantially permanent bond between said two members, after curing said hard resin-affording material; and said hard resin member is sufficiently thick to provide configurational support for said article. Normally, the article includes a cover member.

REFERENCES:
patent: 3256131 (1966-06-01), Koch et al.
patent: 3264166 (1966-08-01), Lowery
patent: 3437551 (1969-04-01), Marshack
patent: 3503822 (1970-03-01), Turkewitsch
patent: 3794548 (1974-02-01), Wirth et al.
patent: 3873407 (1975-03-01), Kumata et al.
patent: 3887735 (1975-06-01), Laberinti
patent: 3922429 (1975-11-01), Welch et al.
patent: 3941633 (1976-03-01), Wang et al.
patent: 4084030 (1978-04-01), Goodale et al.
patent: 4132825 (1979-01-01), Hahn

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