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:
Jun. 27, 1995
Filed:
Dec. 03, 1993
Applicant:
Inventors:
C Gilmer Loving, Madison Heights, VA (US);
Eugene B Bailey, Rustburg, VA (US);
Robert G Peting, Oak Forest, IL (US);
Assignee:
AMSTED Industries Incorporated, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C21B / ; C21B / ;
U.S. Cl.
CPC ...
75537 ; 266 81 ; 266182 ; 266216 ; 266221 ; 266267 ;
Abstract
A method and apparatus for feeding alloy additive and burden materials to the burden in a vertical shaft furnace working volume generally by gravity-feeding the alloy additive to the furnace tuyere for entrainment in the blast media and transfer to the burden, which improves the recovery rate of the charged additive components in the molten metal and, allows utilization of undersized materials without secondary handling and treatment of the feed materials or utilization of pneumatic feed apparatus.