Molding method for making plastic foam-backed shells

Details Molding method for making plastic foam-backed shells Molding method for making plastic foam-backed shells

1997-06-26

1999-07-13

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 264245, 264302, B29C 4406

Patent

active

059222565

ABSTRACT:
A method of molding a plastic shell having an outer pliable skin layer and a foam backing layer comprises casting a first skin layer portion from wear resistant material in a first casting sequence for those areas of the panel susceptible to high wear and in a second casting sequence casting self-skinning foamable material against the remaining portion of the mold surface and over the first-cast skin layer portion to develop, simultaneously, the remaining outer skin layer portion of the shell and a foam backing layer which extends across the entire skin layer.

REFERENCES:
patent: 4562025 (1985-12-01), Gray
patent: 5238622 (1993-08-01), Grimmer
patent: 5580501 (1996-12-01), Gallagher et al.
patent: 5620636 (1997-04-01), Kawai et al.

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