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:
Jan. 08, 1985
Filed:
Jan. 04, 1982
Applicant:
Inventors:
Walter Lugscheider, Linz, AT;
Helmut D Kilches, Asten, AT;
Ernst Riegler, Enns, AT;
Ernst Zajicek, Ottensheim, AT;
Assignee:
Voest-Alpine Aktiengesellschaft, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ; F27D / ;
U.S. Cl.
CPC ...
373 22 ; 373 75 ;
Abstract
A plasma melting furnace includes one or more plasma burners penetrating the furnace lining, in particular a plasma burner projecting vertically into the interior of the furnace. In order to ensure a most uniform stress on the lining by the heat radiation, the inner surface of the lining is designed to be inclined, converging upwardly.