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. 06, 1990
Filed:
Aug. 26, 1988
Applicant:
Inventors:
Paul J Schaffer, Peekskill, NY (US);
Robert C Tucker, Jr, Brownsburg, IN (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266222 ; 266268 ; 266270 ;
Abstract
A tuyere having improved wear resistance at the tip, and a refractory walled metallurgical vessel incorporating the tuyere, characterized by an oxide thermal barrier coating on the outer surface of the outermost conduit of the tuyere having a thermal conductivity less than that of the refractory.