Investment casting mold and process

Details Investment casting mold and process Investment casting mold and process

1974-08-21

1976-09-21

Husar, Francis S.

Metal founding

Process

Shaping a forming surface

164 60, 164361, 164366, B22C 702, B22C 922

Patent

active

039813444

ABSTRACT:
In the manufacture of hollow cast articles such as turbine blades or vanes, the article is cast in opposed halves on opposite sides of a "strong back" or mid-section, to which wax patterns are attached for the preparation of a shell mold around the strong back and patterns. The article halves, after removal from the mold, are bonded together.

REFERENCES:
patent: 2782476 (1957-02-01), Brennan
patent: 2912729 (1959-11-01), Webb
patent: 3627015 (1971-12-01), Giamei
patent: 3669177 (1972-06-01), Ingalls et al.

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