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:
May. 08, 2001
Filed:
Apr. 28, 2000
Applicant:
Inventors:
Sébastien Flichy, Paris Cedex, FR;
Jacky Laurent, Paris Cedex, FR;
Frédéric Viraize, Paris Cedex, FR;
Marc Bremont, Paris Cedex, FR;
Jean-Claude Vuillermoz, Paris Cedex, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H05B 7/18 ;
U.S. Cl.
CPC ...
H05B 7/18 ;
Abstract
An electric arc furnace is provided for the production of steel by melting metal between electrodes. The electric arc furnace comprises gas injectors provided with respective cooling chambers placed in a wall of the furnace, wherein at least one single chamber is associated with at least two injectors in order to cool each injector. Each injector is angled in a manner appropriate with respect to a corresponding gas injected thereby and to a corresponding function thereof, wherein the orientation axes of the injectors are not parallel.