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. 04, 1992
Filed:
Apr. 17, 1991
Applicant:
Inventors:
Ichio Sakuranda, Chiba, JP;
Ritsuo Okabe, Chiba, JP;
Takao Omura, Chiba, JP;
Yoshisato Kiyota, Chiba, JP;
Shigeaki Takajo, Chiba, JP;
Assignee:
Kawasaki Steel Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75255 ; 75246 ; 75252 ;
Abstract
An iron base powder mixture for powder metallurgy, comprising an iron based powder and an alloying powder and/or a powder for improving machinability, wherein the alloying powder and/or the powder for improving machinability are adhered to the surface of the ferrous powder by means of a melted-together binder composed of an oil and a metal soap or wax.