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:
Jan. 13, 1987
Filed:
May. 28, 1985
Applicant:
Inventors:
Kouji Tarumoto, Hiroshima, JP;
Jun Miyata, Hiroshima, JP;
Koji Yagii, Hiroshima, JP;
Satoshi Nanba, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; C25F / ; C23C / ;
U.S. Cl.
CPC ...
204 385 ; 204 386 ; 20412965 ; 20419231 ; 418178 ; 430320 ;
Abstract
A sliding member having a number of oil retaining pores is manufactured by forming a hard plating layer on a metal base, forming a masking resist film on the hard plating layer by exposure to light and development, forming a number of pores in the hard plating layer by effecting electrolytic etching at a current density of 50 to 600 A/dm.sup.2, dissolving said masking resist film and removing the same, and forming a hard ceramic film on the hard plating layer by vapor phase plating.