Melting and pressure casting device

Details Melting and pressure casting device Melting and pressure casting device

1984-12-26

1986-07-01

Godici, Nicholas P.

Metal founding

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

164258, 1643381, 164335, B22D 1800

Patent

active

045974314

ABSTRACT:
A melting and pressure casting device characterized in that it comprises a cylindrical electric heating means set in a closed chamber reducible and increasable in gas pressure, a vertically long crucible set in the heating means, a mold provided below the crucible and connected thereto, and an upper sprue communicating between the lower portion of the pouring cup and the sprue formed in the mold, wherein the melt for casting is held by its surface tension in the pouring cup and the melt thus held is poured under pressure by pressurizing the chamber into the mold through the upper sprue to thereby make a casting.

REFERENCES:
patent: 1070500 (1913-08-01), Mackenzie
patent: 2003625 (1935-06-01), Boyer
patent: 2171778 (1939-09-01), Yantis
patent: 2782475 (1957-02-01), Wilhelm et al.
patent: 3404202 (1968-10-01), Carlson et al.
patent: 3675709 (1972-07-01), Vogerl et al.
patent: 3841384 (1974-10-01), Tingquist et al.
patent: 4247735 (1981-01-01), Rigatti-Luchini

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