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:
Oct. 02, 2012
Filed:
Oct. 20, 2008
Applicant:
Valery Shver, Alpharetta, GA (US);
Inventor:
Valery Shver, Alpharetta, GA (US);
Assignee:
Process Technology International, Inc., Tucker, GA (US);
Primary Examiner:
Int. Cl.
CPC ...
F27D 3/14 (2006.01); C21B 7/16 (2006.01); C21C 7/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for accessing a furnace melt are provided. Preferably, the method and apparatus provide for the safe and efficient access to the melt. According to one aspect of the invention used in a steel-making process in an electric arc furnace, a furnace aperture burner/lance provides a flame for heating the melt, a lance device for injecting oxygen into the furnace, or both. To access the melt, the furnace aperture burner/lance is disengaged, access is provided to the melt through the furnace aperture, and the furnace aperture burner/lance is reengaged when the access is concluded.