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:
Apr. 17, 2001
Filed:
Jan. 14, 2000
Applicant:
Inventors:
Milorad Pavlicevic, Udine, IT;
Peter Tishchenko, Donezk, UA;
Alfredo Poloni, Fogliano Di Redipuglia, IT;
Angelico Della Negra, Povoletto, IT;
Assignee:
Danieli & C. Officine Meccaniche SpA, Buttrio (UD), IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 1/02 ;
U.S. Cl.
CPC ...
F27D 1/02 ;
Abstract
System to plug the roof of an electric arc furnace having a main chamber or melting volume arranged below the roof and at least one electrode introduced into the main chamber, the system comprising an upper element or auxiliary roof element arranged on the top of the roof and shaped so as to define an inner chamber and at least a central aperture through which the electrode can be moved, the auxiliary roof element consisting of a plurality of pipes inside which a cooling fluid circulates under pressure.