The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1980
Filed:
Jan. 22, 1979
Applicant:
Inventor:
Harald Krogsrud, Gjettum, NO;
Assignee:
Elkem-Spigerverket A/S, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
13 17 ;
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.