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:
Mar. 09, 1999
Filed:
May. 03, 1996
Applicant:
Inventors:
Rohith Shivanath, Toronto, CA;
Peter Jones, Toronto, CA;
Assignee:
Stackpole Limited, Mississauga, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; B22F / ;
U.S. Cl.
CPC ...
419 11 ; 419 25 ; 419 28 ; 419 29 ; 419 38 ; 419 39 ;
Abstract
A method of making a sintered article of powder metal having a carbon composition in the range of about 0.8% to 2.0% by weight, then spheroidizing the sintered article and then warm forming the sintered article at a temperature between 250.degree. and 700.degree. C. for a time duration selected to form the article to a final shape.