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. 14, 2002
Filed:
Nov. 13, 1998
Applicant:
Inventor:
Roger Standaert, Olen, BE;
Assignee:
N.V. Union Miniere S.A., Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/00 ;
U.S. Cl.
CPC ...
B22F 3/00 ;
Abstract
A powder for sintering to manufacture a diamond tool has an average particle size of less than 8 &mgr;m and a loss of mass by reduction in hydrogen of less than 3% and contains 10-80% Fe, up to 40% Co, up to 60% Ni and up to 15% M. M is present, at least partially, in the oxidized state and representing one or more of the elements Mn, Cr, V., Al, Mo and Ti, the balance being unavoidable impurities. This powder may be sintered at 650-1000° C. to give a matrix having a high hardness.