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:
Dec. 18, 2012
Filed:
Jan. 06, 2009
Applicants:
Michael G. K. Grant, Versailles, FR;
Fabien Januard, Herblay, FR;
Youssef Joumani, Paris, FR;
Bernard Labegorre, Paris, FR;
Jacky Laurent, Saint-Cyr l'Ecole, FR;
Inventors:
Michael G. K. Grant, Versailles, FR;
Fabien Januard, Herblay, FR;
Youssef Joumani, Paris, FR;
Bernard Labegorre, Paris, FR;
Jacky Laurent, Saint-Cyr l'Ecole, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C 5/48 (2006.01); C21C 7/072 (2006.01); C22B 9/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process and apparatus for melting raw material in an electric arc furnace using a flame of variable direction, the apparatus comprising a burner and a lance whereby the lance outlet opening and the burner outlet opening are not concentric and are located at a distance from one another, and whereby the lance axis forms an angle with the burner axis in the range from 10° to 40.