Method of coating a composite mold

Details Method of coating a composite mold Method of coating a composite mold

1976-09-02

1978-10-17

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

249114R, 264219, 264337, 264338, 427133, 427135, B29C 102, B29C 104, B28B 736, B22B 900

Patent

active

041209303

ABSTRACT:
A method of molding wherein a mold for shaping a material to be molded is formed by casting a first mold base portion formed of a bulk material such as Portland cement, carbon, graphite or castable ceramic material and the like to define a mold cavity, and coating the mold cavity with a first metallic layer. Upon the metallic first layer, there is deposited a second hard surface layer formed of a material such as the carbides, nitrides, and oxides of tungsten, titanium, boron, silicon and aluminum.

REFERENCES:
patent: 2317597 (1943-04-01), Ford et al.
patent: 2903375 (1959-09-01), Perot
patent: 3059295 (1962-10-01), Vossknehler
patent: 3673293 (1972-06-01), Teague
patent: 3684004 (1972-08-01), Germain et al.
patent: 3734449 (1973-05-01), Itou et al.
patent: 3779816 (1973-12-01), Mao
patent: 3865608 (1975-02-01), Borbely

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