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:
Jan. 24, 1984
Filed:
Jan. 25, 1982
Applicant:
Inventors:
Rupert Steinwider, Vienna, AT;
Paul Weitzer, Vienna, AT;
Assignee:
Veitscher Magnesitwerke-Actien-Gesellschaft, Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266 45 ; 266236 ; 266271 ; 266287 ;
Abstract
A taphole apparatus for a steel-making converter, which is comprised of a series of refractory blocks each defining a bore and the bores being aligned to define respective and successive sections of the taphole, the bore of a first one of the refractory blocks at a hot inlet end of the taphole being funnel-shaped and the bore of a last one of the refractory blocks at a cold outlet end of the tap hole having a smaller diameter than the funnel-shaped bore at the hot inlet end.