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:
Apr. 08, 1997
Filed:
Jul. 06, 1995
Applicant:
Inventors:
Stefan Ederyd, Saltsjo-Boo, SE;
Jan kerman, Stockholm, SE;
Robert Beaufoy, Coventry, GB;
Michael Carpenter, Nuneaton, GB;
Maxime Bonneau, Le Fontanil, FR;
Jacques Pillot, La Tronche, FR;
Assignees:
Sandvik AB, Sandviken, SE;
Eurotungstene Poudres S.A., Grenoble, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75240 ; 75242 ;
Abstract
The present invention relates to a method of producing a sintered body comprising one or more hard constituents and a binder phase based on cobalt, nickel and/or iron by powder metallurgical methods milling, pressing and sintering of powders. At least part of the binderphase powder consists of non-agglomerated particles of spheroidal morphology having dimensions of 0.1 to 20 .mu.m.