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:
Mar. 17, 2009
Filed:
May. 17, 2006
Takaomi Toihara, Toyokawa, JP;
Masatoshi Sakurai, Toyokawa, JP;
Yasuo Fukui, Toyokawa, JP;
Masuo Saitoh, Toyokawa, JP;
Takaomi Toihara, Toyokawa, JP;
Masatoshi Sakurai, Toyokawa, JP;
Yasuo Fukui, Toyokawa, JP;
Masuo Saitoh, Toyokawa, JP;
OSG Corporation, Toyokawa-shi, JP;
Abstract
A hard multilayer coating that is to be disposed on a body, including: (a) a first coating layer disposed to be held in contact with the body, the first coating layer consisting of TiAlCrXN(wherein 'X' represents carbon or oxygen, and 'a' represents a mixed crystal ratio satisfying 0.5≦a≦1); (b) a second coating layer disposed on the first coating layer, the second coating layer being provided by a mixture layer consisting of TiAlCrXN(wherein “b” represents a mixed crystal ratio satisfying 0.5≦b≦1) and TiAl(SiC)XN(wherein “c” represents a mixed crystal ratio satisfying 0.5≦c≦1), or provided by a multilayer including a first sublayer consisting of the TiAlCrXNand a second sublayer consisting of the TiAl(SiC)XN, which are alternately superposed on each other; and (c) a third coating layer disposed on the second coating layer and constituting an outermost layer of the hard multilayer coating, the third coating layer consisting of TiAl(SiC)XN(wherein “d” represents a mixed crystal ratio satisfying 0.5≦d≦1).