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:
Feb. 01, 1983
Filed:
Aug. 01, 1978
Applicant:
Inventors:
Michael W Gammon, Bristol, GB;
John A Clarke, Thornbury; both of, GB;
Assignees:
Metallurgical Process Limited, Nassau, BS;
I.S.C. Smelting Limited, Nassau, BS;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
266186 ; 266189 ; 266197 ; 266265 ; 266270 ; 75 88 ;
Abstract
A tuyere for a blast furnace, the main body of the tuyere being in the form of a tube with a central bore and the nose portion of the tuyere having a downwardly-inclined hood-like extension of the upper wall of the tube, whereby gas passing through the nose of the tuyere is deflected downwardly by the said extension, which extension has a gas outlet aperture of greater area than the cross-sectional area of the bore of the tube.