Fluid-tight cold-chamber pressure casting apparatus

Details Fluid-tight cold-chamber pressure casting apparatus Fluid-tight cold-chamber pressure casting apparatus

1976-07-26

1977-12-06

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

164256, 164312, B22D 1714

Patent

active

040611760

ABSTRACT:
Apparatus comprising a crucible, a level-determining tank, a vacuum pump, an injection cylinder, a mould and appropriate interconnecting pipes. Molten metal is kept under vacuum throughout except that in a modification a gas may be deliberately introduced into the mould to provide a surface treatment of the casting.

REFERENCES:
patent: 2985928 (1961-05-01), Heskett
patent: 4030538 (1977-06-01), Carbonnel

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