1976-06-14
1977-11-29
Envall, Jr., R. N.
13 27, H05B 500, F27D 1106
Patent
active
040606929
ABSTRACT:
An induction melting furnace comprising a conical crucible and a conical induction coil which envelops the crucible. The induction furnace comprises means for bringing the crucible under a compression stress and for maintaining this compression stress during the melting process.
REFERENCES:
patent: 2755326 (1956-07-01), Kennedy
patent: 3401227 (1968-09-01), Dunlevy et al.
patent: 3944715 (1976-03-01), Hegewaldt et al.
DE Ruiter Jacob Willem
Naastepad Pieter Aart
Envall, Jr. R. N.
Franzblau Bernard
Trifari Frank R.
U.S. Philips Corporation
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