Method of containing foam during molding of foam-filled products

Details Method of containing foam during molding of foam-filled products Method of containing foam during molding of foam-filled products

1989-09-29

1990-11-06

Simmons, David

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 466, 264139, 264276, B29C 6722

Patent

active

049684655

ABSTRACT:
A mold assembly for molding vinyl skin shell-covered and foam-filled products, such as an automotive instrument panel, wherein waste portions of the shell and foam are eliminated from the molded product. This eliminates having to manually trim such portions from the finished product after molding. Specifically, compressible foam or silicone rubber gaskets or spacers of predetermined shaped, such as the shape of an opening suitable for a radio speaker, are placed in the mold and compressed between the mold lid and the bottom surface of the mold cavity.

REFERENCES:
patent: 2802766 (1957-08-01), Leverenz
patent: 3400182 (1968-09-01), Kolt
patent: 4154786 (1979-05-01), Plasse
patent: 4303728 (1981-12-01), Houdek et al.
patent: 4419307 (1983-12-01), Kohara et al.
patent: 4420447 (1983-12-01), Nakashima
patent: 4806094 (1989-02-01), Rhodes, Jr. et al.
patent: 4814036 (1989-03-01), Hatch
patent: 4891081 (1990-01-01), Takahashi et al.
patent: 4923539 (1990-05-01), Spengler et al.

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