Pressure casting apparatus with hermetically sealed housing and

Details Pressure casting apparatus with hermetically sealed housing and Pressure casting apparatus with hermetically sealed housing and

1975-03-13

1976-10-26

Baldwin, Robert D.

Metal founding

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

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

164 62, B22D 2714, B22D 2716

Patent

active

039878449

ABSTRACT:
A metal casting apparatus comprising an upright pressurizable housing open at its bottom adapted to receive an upright upwardly open container with a casting mold in a lower part of the container. A molten-metal receptacle is mounted in the container above the mold and undergoes tilting movement about a horizontal axis whereby the receptacle dispenses metal into the casting passage in a tilted position of the receptacle and receives molten metal in an upright position of the receptacle. Means is provided for hermetically sealing the bottom of the housing upon the insertion of the container therein with the receptacle in its upright position, while valve means is connected to the housing for evacuating and pressurizing it.

REFERENCES:
patent: 493047 (1893-03-01), Simpson
patent: 2564498 (1951-08-01), Nisbet
patent: 2713183 (1955-07-01), Winkler
patent: 3470936 (1969-10-01), Jandras
patent: 3690367 (1972-09-01), Daniels

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