Industrial electric heating furnaces – Arc furnace device – Power supply system
Patent
1985-05-24
1987-02-24
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Power supply system
373100, 373 94, H05B 7101
Patent
active
046463186
ABSTRACT:
A crucible furnace including a furnace vessel in which a graphite electrode and a metal contact electrode are vertically and horizontally movable.
REFERENCES:
patent: 3612739 (1971-10-01), Korneff
patent: 3612740 (1971-10-01), Gierek
patent: 3835230 (1974-09-01), Yordanov et al.
patent: 4132545 (1979-01-01), Rabinovich et al.
Jackson Clive L.
Nordmeyer Friedrich
Schunk Eckard
Winter Frank
Envall Jr. Roy N.
Mannesmann Aktiengesellschaft
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