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. 22, 2019
Filed:
Dec. 25, 2014
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Hayato Kubo, Satsumasendai, JP;
Kou Ri, Satsumasendai, JP;
KYOCERA CORPORATION, Kyoto-Shi, Kyoto, JP;
Abstract
A cutting tool comprises a base including a hard alloy and a coating layer located on a surface of the base, wherein the coating layer comprises at least one TiCN layer, an AlOlayer and an outermost layer which are laminated in order from a side of the base, and a content of Cl at a thickness-center position of the TiCN layer is higher than a content of Cl at a thickness-center position of the outermost layer and the content of Cl at the thickness-center position of the outermost layer is higher than a content of Cl at a thickness-center position of the AlOlayer in a glow-discharge emission spectrometry (GDS analysis).