Process for producing foam moldings with an insert

Details Process for producing foam moldings with an insert Process for producing foam moldings with an insert

1982-01-05

1983-12-13

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

249172, 264 465, 264 467, 264 468, 264161, 425817R, B29D 2704

Patent

active

044204477

ABSTRACT:
Process for producing foam moldings with an insert executed in a mold for foam molding consisting of a core block and a cavity block. The process comprises steps of: (a) having a film adhering to and covering the insert on one side thereof where a foam layer is formed; (b) letting the skirt portion of the film to be pinched or sandwiched by the uniting portion of the two blocks while the foaming process is executed on a foamable material; and (c) forming integrally the foam layer on that side of the insert, with the film being retained between the insert and the foam layer to be obtained.

REFERENCES:
patent: 2944170 (1960-07-01), Knapp et al.
patent: 3091946 (1963-06-01), Kesling
patent: 3150796 (1964-09-01), Hocking et al.
patent: 3467741 (1969-09-01), Kesling
patent: 3795722 (1974-03-01), Sassaman
patent: 3816837 (1974-06-01), Smith
patent: 4043022 (1977-08-01), Kisuna et al.
patent: 4228115 (1980-10-01), Gardner

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