Insulated metal mold

Details Insulated metal mold Insulated metal mold

1978-07-06

1980-09-30

Van Balen, William J.

Static molds

Including solid heat conductor or insulator, i.e., chill or...

249114R, 249135, 428332, 428339, 428418, 428458, 428460, B22D 1500, B28D 736, B29C 104

Patent

active

042251095

ABSTRACT:
An insulated metal mold having a molding surface defining the cavity of a mold for molding thermoplastic resin. To regulate the cooling speed of the molten resin to be injected or placed into the cavity, the molding surface is provided by a thin metal layer and a layer of heat insulating material is formed on the inner side of the metal layer.

REFERENCES:
patent: 2869194 (1959-01-01), Cooper
patent: 2934399 (1960-04-01), Morse
patent: 2958609 (1960-11-01), Stoll et al.
patent: 3042974 (1962-07-01), Gerstenmaier et al.
patent: 3114174 (1963-12-01), Kunetka
patent: 3248758 (1966-05-01), Schmitz et al.
patent: 3377657 (1968-04-01), Richardson et al.
patent: 3612158 (1971-10-01), Rossi
patent: 4034954 (1977-07-01), Scherbner
patent: 4120930 (1978-10-01), Lemelson

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