Industrial electric heating furnaces – Arc furnace device – Electrode
Patent
1982-01-26
1984-04-10
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Electrode
H05B 708
Patent
active
044425252
ABSTRACT:
An arc furnace electrode for the production of electric steel, comprising a metallic top portion and a consumable, replaceable bottom portion threadably interconnected. The top portion is provided with coolant feed and return ducts and includes a protective covering. The protective covering is represented by a detachable surmounted sheath of electrically conductive heat resistant material. The sheath is subdivided into individual segments. The electrode includes internally disposed recesses advantageously accommodating elastic and electrically conductive materials especially advantageous properties.
REFERENCES:
patent: 3385987 (1968-05-01), Wolf et al.
patent: 4145564 (1979-03-01), Andrew et al.
patent: 4256918 (1981-03-01), Schwabe et al.
patent: 4291190 (1981-09-01), Elsner et al.
Bauer Georg
Dung Herbert
Haremsa Johannes
Lauterbach-Dammler Inge
Muhlenbeck Josef
Arc Technologies Systems Ltd.
Ban Woodrow W.
Envall Jr. Roy N.
Harang Bruce E.
Hazzard John P.
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