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:
Aug. 15, 1995
Filed:
Apr. 10, 1992
Applicant:
Inventors:
Stefan Ederyd, Saltsjo-Boo, SE;
Jan Akerman, Stockholm, SE;
Robert Beaufoy, Coventry, GB;
Michael Carpenter, Nuneaton, GB;
Maxime Bonneau, Le Fontanil, FR;
Jacques Pillot, La Tronche, FR;
Assignee:
Sandvik AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 10 ; 419 13 ; 419 14 ; 419 18 ; 419 23 ; 419 38 ; 419 49 ; 419 53 ;
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.