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:
Sep. 06, 1983
Filed:
Jun. 24, 1981
Applicant:
Inventor:
Jean Davene, Villars, FR;
Assignee:
Clesid S.A., Saint-Chamond, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
373 71 ; 373 73 ; 373102 ; 374147 ;
Abstract
Electric arc furnace, of the type having metallic walls (2) and an at least partly metallic roof (1), and provided with radiation detection apparatuses (8) for their controlled operation. Differential water circulation transducers (8) are positioned in the intrados of the metallic part (7) of the roof (1); they project with respect to the inner surface of the roof and their end faces (16) facing the interior of the furnace are concave.