Countergravity casting apparatus

Details Countergravity casting apparatus Countergravity casting apparatus

1987-07-27

1988-05-24

Godici, Nicholas P.

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

164 63, 164256, 164361, 164363, B22D 1806

Patent

active

047459620

ABSTRACT:
Apparatus for the shaping of metal in a bottom-gated mold by the vacuum-induced countergravity casting method including an upstanding levee on the periphery of the drag and circumscribing the chamber-to-mold joint and/or the cope-to-drag joint for isolating such joint(s) when the mold is immersed in an underlying melt.

REFERENCES:
patent: 4340108 (1982-07-01), Chandley et al.
patent: 4508157 (1985-04-01), Belliveau et al.
patent: 4616691 (1986-10-01), Voss
patent: 4632171 (1986-12-01), Almond
patent: 4641703 (1987-02-01), Voss et al.

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