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. 11, 1979
Filed:
Jun. 07, 1978
Applicant:
Inventors:
Italo Iacotti, Rome, IT;
Edoardo Pasero, Rome, IT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75-3 ; 75 11 ; 75256 ; 264111 ;
Abstract
In the direct reduction of iron ore in a series of fluidized beds, for the production of carburized iron sponge briquettes for use in electric furnaces, carburization is carried out after the last fluidized bed, at a temperature of 600.degree. to 700.degree. C., by batching the reduced iron powder with a solid finely divided carbonaceous material and then briquetting the mixture, in an inert atmosphere.