Method of producing skin-covered foamed plastic article

Details Method of producing skin-covered foamed plastic article Method of producing skin-covered foamed plastic article

1988-10-20

1990-09-25

Silverberg, Sam

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Controlling fluid pressure in direct contact with molding...

264 464, 264 466, B29C 6722

Patent

active

049591843

ABSTRACT:
A method of producing a skin-covered foamed plastic article, which includes preparing a lower mold which has a cavity formed therein; putting a bag-shaped outer skin member into the cavity, the skin member having a porous inner layer; pouring a foamable material for the foamed plastic article into the bag-shaped outer skin member; and controlling a pressure in the cavity in such a manner that the inner layer becomes saturated to a predetermined degree during curing of the material.

REFERENCES:
patent: 3929948 (1975-12-01), Welch et al.
patent: 3989781 (1976-11-01), Chant
patent: 4208368 (1980-06-01), Egli
patent: 4278624 (1981-07-01), Kornylak

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