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. 12, 2004
Filed:
May. 10, 2001
Applicant:
Inventors:
Glenn E. Hoffman, Lancaster, SC (US);
James M. McClelland, Jr., Cornelius, NC (US);
Assignee:
Midrex Technologies, Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 1/312 ;
U.S. Cl.
CPC ...
C21B 1/312 ;
Abstract
The invention is a method of making metallized iron agglomerates by combining iron/steel particles and a reductant material with a cellulose fiber binder material, compacting the combination to form a solid agglomerate, and reducing the iron portions of the agglomerate in a direct reduction furnace. The cellulose fiber binder material provides an agglomerate having improved strength and lower overall cost than comparable agglomerates using binders known in the art.