Method of making integrally foam-molded seats

Details Method of making integrally foam-molded seats Method of making integrally foam-molded seats

1988-02-23

1989-10-10

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 264 468, B29C 6722

Patent

active

048730360

ABSTRACT:
In a method of making an integrally foam-molded seat by disposing a trim cover in a molding cavity of a mold used for molding a polyurethane foam and having a seat surface pattern embossed on its inner wall of the molding cavity, injecting a polyurethane resin solution into the molding cavity of the mold and foaming the polyurethane resin to mold the polyurethane foam integrally combined with the trim cover, a material not adhesive to the polyurethane resin is applied onto an inner surface of at least a side part of the trim cover, so that at least the side part of the trim cover may not adhere to the corresponding portion of the molded polyurethane foam, and a defect such as a void present in the moded polyurethane foam can be easily repaired is such a void is found in the product.

REFERENCES:
patent: 3161436 (1964-12-01), Hood
patent: 3971112 (1976-07-01), Amato et al.
patent: 4107829 (1978-08-01), Uari et al.
patent: 4468490 (1984-08-01), Meyer, Jr. et al.
patent: 4561917 (1985-12-01), Urai
patent: 4718153 (1988-01-01), Armitage et al.
patent: 4786447 (1988-11-01), Kouda

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