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. 11, 1992
Filed:
May. 31, 1991
Applicant:
Inventors:
Hiroshi Moriki, Kodaira, JP;
Minoru Yonekawa, Hachioji, JP;
Assignee:
Kioritz Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
205179 ; 205283 ; 205222 ;
Abstract
A method of forming sliding surfaces, wherein a first plating layer with a relatively high level of hardness is formed by using a first plating liquid which is at a relatively low temperature; and a second plating layer with a hardness lower than that of the first plating layer is formed on the surface of the first plating layer by using a second plating liquid which is at a temperature higher than that of the first plating liquid; the second plating layer being honed to a predetermined thickness.