Patent
1979-01-22
1980-12-09
Envall, Jr., Roy N.
H05B 712
Patent
active
042386349
ABSTRACT:
An apparatus providing a gas tight seal for electrodes in covered electrical smelting furnaces is disclosed. The apparatus is characterized by hydraulic hoses which permit movement of the electrodes and their associated holders without loss of a gas tight seal.
REFERENCES:
patent: 2778865 (1957-01-01), Kongsgaarden
patent: 2884475 (1959-04-01), Foyn
patent: 2921108 (1960-01-01), Meffert
Elkem-Spigerverket A/S
Envall Jr. Roy N.
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