Method for producing a foamed resin molding

Details Method for producing a foamed resin molding Method for producing a foamed resin molding

1986-11-28

1990-01-02

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 452, 264 464, 264 466, 264 467, 4283188, 4283193, B32B 518

Patent

active

048910813

ABSTRACT:
A method and a foamed resin molding in which a skin layer is formed by pressing an expansible film against and into conformity with cavity walls of a mold or a bag-like cover member by foaming pressure of a foamable resin and a foamed resin body molded concurrently and integrally under the skin layer, which facilitate the easy parting of the moldings from the mold without parting agent.

REFERENCES:
patent: 1957732 (1934-05-01), Rowe
patent: 2248413 (1941-07-01), Rathbun
patent: 2802766 (1957-08-01), Leverenz
patent: 2976577 (1961-03-01), Gould
patent: 3258511 (1966-06-01), McGregor, Jr.
patent: 3875275 (1975-04-01), Lemelson
patent: 4031176 (1977-06-01), Molbert
patent: 4138283 (1979-02-01), Hanusa
patent: 4323410 (1982-04-01), Urai
patent: 4379103 (1983-04-01), Doerfling
patent: 4738809 (1988-04-01), Storch
"The Blowing of Plastics", Modern Plastics, Oct. 1943, pp. 96-97.

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