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:
May. 02, 2000
Filed:
Oct. 14, 1997
Applicant:
Inventors:
Andrzej L Wojcieszynski, Pittsburgh, PA (US);
William Stasko, West Homestead, PA (US);
Assignee:
Crucible Materials Corporation, Syracuse, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
428546 ; 75236 ; 75246 ; 148324 ; 148334 ; 148442 ; 420 10 ; 420 15 ; 420 27 ; 420107 ; 420110 ; 420111 ; 420114 ; 420583 ; 420588 ;
Abstract
A powder-metallurgy produced high-speed steel article having a combination of high hardness and wear resistance, particularly at elevated temperatures. This combination of properties is achieved by the combination of W, Mo, V, and Co. The article is particularly suitable for use in the manufacture of gear cutting tools, such as hobs, and surface coatings.