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. 25, 2004
Filed:
May. 21, 2002
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 1/312 ;
U.S. Cl.
CPC ...
C21B 1/312 ;
Abstract
A method of producing a molten steel, including the steps of putting, in an electric furnace, an iron material and a carbon material, to melt the iron material and the carbon material and produce a high-carbon molten iron whose carbon content is not lower than 1%, storing, in a reservoir furnace whose capacity is larger than a capacity of the electric furnace, an amount of the high-carbon molten iron that corresponds to a plurality of charges of the electric furnace, and using a portion of the high-carbon molten iron stored in the reservoir furnace, to produce the molten steel in a steel producing furnace.