Method of molding a rigid integral skin foamed resin product in

Details Method of molding a rigid integral skin foamed resin product in Method of molding a rigid integral skin foamed resin product in

1976-10-04

1981-04-28

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 51, 264331, 264338, 425812, 425817R, B29D 2704

Patent

active

042645441

ABSTRACT:
Mold, particularly for rigid polyurethane foam articles having finished textured surfaces on all sides thereof comprising a female mold having a recess into which the unreacted and unblown resin system is deposited and a cover for closing the mold together with a release sheet structure disposed therebetween exhibiting sufficient gas porosity to enable complete venting of air displaced by the rising foam in the production of a finished surface thereat and method of molding therewith.

REFERENCES:
patent: 3493449 (1970-02-01), Krug
patent: 3533899 (1970-10-01), Kapral
patent: 3844523 (1974-10-01), Wilheim
patent: 3890418 (1975-06-01), Raczek
patent: 3895154 (1975-02-01), Kapral
patent: 3976731 (1976-08-01), Kapral
patent: 4035458 (1977-07-01), Lyman
patent: 4138283 (1979-02-01), Hanusa
Pelesko, J. D. "RCI Furniture Seminar, Elizabeth, N.J.", White Plains, N.Y., Reichhold Chemicals, Inc., Apr. 7, 1970, 11 pages.
Reichhold (RCI) Application Bulletin, "Polylite Polyurethane Resin: Production & Trouble Shooting Guide for Molded Rigid Polyurethane Foam Furniture Components", White Plains, N.Y., Reichhold Chemicals, Inc., (1/70), 8 pages.

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