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:
Mar. 20, 1990
Filed:
Jan. 03, 1989
Applicant:
Inventors:
Peter T Sutor, Pittsburgh, PA (US);
Edward L Erny, Bethel Park, PA (US);
Assignee:
Dresser Industries, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266 44 ; 266280 ; 266275 ;
Abstract
An improved ladle especially adapted for holding molten metals such as steel, the ladle having an interior brick lining a major part thereof which consists essentially of a composition of from about 70 to 95 weight percent of an aluminous material having a minimum alumina content of about 60 weight percent and the balance refractory clay; and for each 100 parts by weight of said composition, from about 5 to 20 weight percent of fine silicon carbide.