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. 20, 1987
Filed:
Jan. 13, 1986
Applicant:
Inventor:
Robert L Kerr, Poland, OH (US);
Assignee:
Wean United, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
373 74 ; 432238 ;
Abstract
A fluid cooled roof assembly for an electric arc furnace comprised of at least three circular sector shaped panels having coolant passages and an outer ring member supporting a plurality of connected arcuate ring sectors which extend upwardly away from the interior of the furnace giving added height thereto, and on which the assembled panels are supported in a flat disposition. The circular sector panels, when assembled, are designed to provide ports for receiving the electrodes and come together at a point location in the center of the roof forming a full circle which completely covers the furnace.