Apparatus for precision casting

Details Apparatus for precision casting Apparatus for precision casting

1981-03-02

1983-12-20

Hampilos, Gus T.

Metal founding

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

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

1642501, 164253, 164259, B22D 1806, B22D 2102, B22D 2713

Patent

active

044211520

ABSTRACT:
A precision casting device especially suitable for dental use, which includes melting and casting chambers supported by a frame such that they are arranged coaxially up and down in the frame under a normal operating state and can be drawn horizontally out of the frame during service time in order to facilitate access to the interiors of them, and which is provided with evacuating apparatus and an inert gas supply and can carry out the casting process in which a casting material is molten in an inert atmosphere, the molten material is then supplied to a mold in a vacuum state and, therafter, casting is effected under a pressure of inert atmosphere.

REFERENCES:
patent: 1469282 (1923-10-01), Storz
patent: 3677332 (1972-07-01), Smiernow
patent: 3712364 (1973-01-01), Daniel et al.
patent: 3955612 (1976-05-01), Schultheiss
patent: 4150707 (1979-04-01), Emerick
patent: 4254817 (1981-03-01), Kidowaki et al.

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