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:
Aug. 23, 2011
Filed:
Apr. 23, 2010
Applicant:
Valery Shver, Tucker, GA (US);
Inventor:
Valery Shver, Tucker, GA (US);
Assignee:
Process Technology International, Inc., Tucker, GA (US);
Primary Examiner:
Assistant 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 molten metal melt in a furnace. According to one aspect of the invention used in a steel making process in an electric arc furnace, a furnace aperture plug is reciprocated through a furnace aperture, the furnace aperture plug is retracted from the furnace aperture, access is provided to the molten metal melt in the furnace, and the furnace aperture plug is reinserted into the furnace aperture when the access is concluded.