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:
Feb. 28, 2012
Filed:
Aug. 27, 2008
Applicants:
Minoru Kawanishi, Niigata-ken, JP;
Ryo Wakabayashi, Niigata-ken, JP;
Masaki Moronuki, Niigata-ken, JP;
Katsuhiro Tsuji, Niigata-ken, JP;
Takayuki Sato, Niigata-ken, JP;
Inventors:
Minoru Kawanishi, Niigata-ken, JP;
Ryo Wakabayashi, Niigata-ken, JP;
Masaki Moronuki, Niigata-ken, JP;
Katsuhiro Tsuji, Niigata-ken, JP;
Takayuki Sato, Niigata-ken, JP;
Assignee:
Kabushiki Kaisha Riken, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/26 (2006.01); E32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sliding member is characterized in that a sliding surface of the sliding member is coated with an amorphous hard carbon film, and a surface of the amorphous hard carbon film has a ten-point mean roughness of equal to or less than 0.7 micrometers and an initial wear height in a range of 0.07 to 0.14 micrometers.