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. 19, 1986
Filed:
Jul. 15, 1985
Applicant:
Inventors:
Mark Svilar, University Heights, OH (US);
Stephen Glancy, Akron, OH (US);
Erhard Klar, Beachwood, OH (US);
Assignee:
SCM Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75246 ; 75125 ; 75129 ; 419-2 ; 419-5 ; 419-6 ; 419 27 ; 419 29 ; 419 38 ; 419 60 ;
Abstract
A copper infiltrated ferrous powder metal part infiltrated with copper or a copper alloy characterized as having after infiltration a residual uninfiltrated porosity of less than about 7 volume percent and a maximum pore size of the residual uninfiltrated porosity of less than about 125 micrometers, said porosity and pore size values being taken from a worst field of view in a functionally critical area of said metal part.