Casting apparatus for providing controlled ambient during produc

Details Casting apparatus for providing controlled ambient during produc Casting apparatus for providing controlled ambient during produc

1986-02-28

1987-04-21

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 61, 164 661, B22D 1806

Patent

active

046588817

ABSTRACT:
A casting apparatus having a casting chamber which may be sealingly closed is provided. The casting chamber is evacuated and then an inert gas or a reducing gas is introduced prior to the casting operation. A ladle for containing a one-shot molten metal is disposed on the casting chamber to be evacuated simultaneously with the evacuation of the casting chamber and then surrounded by an inert or reducing gas atmosphere during the casting operation.

REFERENCES:
patent: 2308395 (1943-01-01), Smithson
patent: 3410332 (1968-11-01), Woodburn
patent: 3470936 (1969-10-01), Jandras
patent: 3800848 (1974-04-01), Chaulet
patent: 3863706 (1975-02-01), Chandley

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