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:
Aug. 17, 1982
Filed:
Oct. 21, 1980
Applicant:
Inventor:
Bodo Wronka, Duisburg, DE;
Assignee:
Mannesmann DeMag AG, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
373 74 ;
Abstract
The invention relates to a cover for a vessel for a metal melting furnace, in particular an electric arc furnace, with cooling-pipe coils connected to the cover frame and distributed across it, at least one of which cooling-pipe coils is exposed to the furnace hearth, all of which coils lie adjacent to each other.