Industrial electric heating furnaces – Arc furnace device – Furnace body detail
Patent
1985-01-04
1986-05-27
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Furnace body detail
H05B 700
Patent
active
045920664
ABSTRACT:
In a direct current electric arc furnace with at least one movable electrode and at least one part of the bottom of the furnace of electrically conductive material, used as a return electrode, that part of the furnace bottom is formed of an assembly of diverse coacting parts, namely:
REFERENCES:
patent: 941419 (1909-11-01), Keller
patent: 3905589 (1975-09-01), Schempp et al.
patent: 4228314 (1980-10-01), Stenkvist
patent: 4549301 (1985-10-01), Motte et al.
Marafini Fabrizio
Repetto Eugenio
Tesini Francesco
Envall Jr. Roy N.
Italimpianti-Societa Italiana Impianti P.A.
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