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:
Dec. 31, 1996
Filed:
Feb. 23, 1994
Applicant:
Inventors:
Toshiaki Arato, Katsuta, JP;
Yasuhisa Aono, Hitachi, JP;
Shigeo Tsuruoka, Hitachi, JP;
Katsuhiro Komuro, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75235 ; 75231 ; 75239 ; 75243 ; 75246 ; 75247 ; 75249 ; 419 12 ; 419 13 ; 419 14 ; 419 24 ; 419 48 ;
Abstract
In the metallic member of the invention, ceramic super fine particles, and solid lubricant particles or short size fibers are dispersed, and the grain size of the ceramic particles is smaller than the solid lubricant particle size or fiber diameter.