Process for the production of articles of cellular plastic provi

Details Process for the production of articles of cellular plastic provi Process for the production of articles of cellular plastic provi

1976-01-26

1978-05-30

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 264 467, 264135, B29D 2700

Patent

active

040923878

ABSTRACT:
A method for producing articles of a cellular plastics material provided with a surface covering comprising a film or foil of a thermoplastic material or a metal or a textile where the side of the covering facing the cellular plastics material is treated with or comprises a chemical substance acting as a retarder for the chemical reaction providing the bonding between the covering and the cellular plastics material. The cellular plastic material is able to expand freely in a mold and to bond to the covering without forming a deformed cellular structure in the cellular plastic material in the boundary layer adjacent to the covering.

REFERENCES:
patent: 3468991 (1969-09-01), Krug
patent: 3499065 (1970-03-01), Hoskinson et al.
patent: 3691265 (1972-09-01), Cobbledick
patent: 3867492 (1975-02-01), Drostholm
patent: 3925528 (1975-12-01), Muller et al.

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