Plastic shell for foam moldings

Details Plastic shell for foam moldings Plastic shell for foam moldings

1988-08-22

1989-11-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold including tamping means or means utilizing mold...

Plural female molds

249 52, 249137, 264457, B29C 4104

Patent

active

048788279

ABSTRACT:
For automotive interior trim molding assemblies having a vinyl skin shell, a reinforcement insert, and an intermediate reaction type polyurethane foam composition, a vinyl skin shell which has a gasket-type peripheral edge formed thereon for abutting cooperation with the reinforcement insert to prevent leakage of the foam therepast during the foam reaction period in a reaction mold. The gasket-type peripheral edge is formed on the otherwise thin shell by a tear edge, against which plastisol builds up in a substantially triangular cross section during the shell molding period in a heated slush mold.

REFERENCES:
patent: 3123403 (1964-03-01), Hood
patent: 4284399 (1981-08-01), Newcomb et al.
patent: 4610620 (1986-09-01), Gray

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