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:
Sep. 23, 1980
Filed:
Nov. 30, 1978
Applicant:
Inventors:
Fumio Tomizawa, Yokohama, JP;
Kazuo Sezaki, Funabashi, JP;
Makoto Shimizu, Yokosuka, JP;
Yukinaga Katahashi, Yokohama, JP;
Assignee:
Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
75 11 ; 75 26 ; 75 36 ; 75 35 ;
Abstract
In a reactor, fine iron ore solids are made to descend through the fluidized bed of fine carbon bearing particles sustained within the reactor so that the fine iron ore solids may be reduced and simultaneously the reducing gas may be produced. The direct reduction efficiency may be considerably improved.