Manufacture of foamed compartmented structures

Details Manufacture of foamed compartmented structures Manufacture of foamed compartmented structures

1973-05-22

1976-10-19

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 458, 264 54, 264DIG5, 264DIG18, 428315, 428327, B29D 2700

Patent

active

039871347

ABSTRACT:
A method of manufacturing foamed moldings having a compartment-structure therein, the average wall thickness of all compartments being at least 0.1 mm, which comprises heating an aggregate of foamable materials, each comprising a layer of plastics or rubber, capable of forming the said compartment wall whereby the foamed materials are bonded with one another at the layer thereof to form an integrated foamed molding.

REFERENCES:
patent: 2363051 (1944-11-01), Dosmann
patent: 2910730 (1959-11-01), Risch
patent: 2964799 (1960-12-01), Roggi et al.
patent: 3010157 (1961-11-01), Cizek
patent: 3270393 (1966-09-01), Levenson
patent: 3341480 (1967-09-01), Feild
patent: 3359130 (1967-12-01), Goldman
patent: 3413389 (1968-11-01), Footner
patent: 3428579 (1969-02-01), Stahnecker
patent: 3553301 (1971-01-01), Reardon et al.

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