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:
Jul. 20, 1999
Filed:
Apr. 28, 1995
Applicant:
Inventor:
Enrico Galli, Kokkedal, DK;
Assignee:
Sandvik AB, Sandviken, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148409 ; 148408 ; 148410 ; 148425 ; 148427 ; 75236 ; 75240 ; 75242 ;
Abstract
A sintered hard alloy for tools for cutting wood. The alloy according to the present invention comprises 30-98 volume % hard constituents in a binder phase based on nickel and/or cobalt. The hard constituents comprise oxides, carbides, nitrides and/or borides of Al, Zr, Si and/or Ti, preferably Al.sub.2 O.sub.3, ZrC, ZrO.sub.2, SiC, Si.sub.3 N.sub.4 and/or TiB.sub.2 with a mean grain size <1.5 .mu.m, preferably <1.0 .mu.m. The binder phase comprises in solution, in weight %, Co max 90, Ni max 90, Cr 5-45.