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:
May. 22, 2012
Filed:
Feb. 27, 2007
Takahito Tanibuchi, Satsumasendai, JP;
Takahito Tanibuchi, Satsumasendai, JP;
Kyocera Corporation, Kyoto, JP;
Abstract
Disclosed is a cutting tool having excellent wear resistance. Specifically disclosed is a cutting tool having a substrate and a coating layer formed on a surface of the substrate. The cutting tool is characterized in that the substrate contains at least cobalt; the coating layer includes at least a titanium nitride layer formed on the surface of the substrate, a titanium carbonitride layer formed on the surface of the titanium nitride layer, an intermediate layer formed on the surface of the titanium carbonitride layer and an aluminum oxide layer formed on the surface of the intermediate layer; the intermediate layer contains at least oxygen and titanium, and the aluminum oxide layer incorporates particles composed mainly of cobalt.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile