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:
Oct. 23, 2012
Filed:
Feb. 22, 2007
Applicants:
Kazuyuki Akasaka, Hitachinaka, JP;
Kiyoshi Kawai, Hitachinaka, JP;
Inventors:
Kazuyuki Akasaka, Hitachinaka, JP;
Kiyoshi Kawai, Hitachinaka, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/52 (2006.01); C04B 35/56 (2006.01); C01B 31/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is an object of the invention to provide a ceramic sintered body that has a dense structure and minimal cracking and that exhibits excellent sliding properties even in a non-lubricated state, as well as a process for its production and sliding parts that employ the same. According to a preferred mode, the sintered body of the invention comprises silicon carbide as the parent material and further contains a solid lubricant A with a mean particle size of no greater than 5 μm and a solid lubricant B with a mean particle size of 10-70 μm.