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. 22, 1990
Filed:
Nov. 02, 1988
Applicant:
Inventors:
Cavit Ciloglu, Tracy, CA;
Martin Gagne, St-Pierre de Sorel, CA;
Edy Laraque, Tracy, CA;
Joel Poirier, Sorel, CA;
Sylvain Tremblay, Jonquiere, CA;
Yves Trudel, Tracy, CA;
Assignee:
Quebec Metal Powders, Ltd., Tracy, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75254 ; 75244 ; 75246 ; 419 12 ; 419 23 ; 419 32 ; 419 57 ; 419 66 ; 419 39 ;
Abstract
The machinability characteristics of P/M ferrous sintered compacts are improved when the compact is prepared from a ferrous powder having a maximum particle size less than about 300 microns, and from at least about 0.01 weight percent of a boron nitride powder comprising agglomerates of irregular-shaped, submicron particles.