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:
Sep. 25, 2018
Filed:
Sep. 30, 2014
Applicant:
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Inventors:
Assignee:
KYOCERA CORPORATION, Kyoto-Shi, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01); B23B 35/00 (2006.01); B23B 51/00 (2006.01); C23C 16/26 (2006.01); C23C 16/27 (2006.01); C23C 16/02 (2006.01);
U.S. Cl.
CPC ...
B23B 51/02 (2013.01); B23B 51/00 (2013.01); C23C 16/0254 (2013.01); C23C 16/26 (2013.01); C23C 16/271 (2013.01); B23B 2226/31 (2013.01); B23B 2228/04 (2013.01); B23B 2228/10 (2013.01); B23B 2228/56 (2013.01); B23B 2251/408 (2013.01); B23C 2226/31 (2013.01); B23C 2228/10 (2013.01);
Abstract
A cutting tool such as a drill () in which a coating layer () is provided to the surface of a base body () having a rod shape, which is equipped with a cutting edge () provided to at least the tip portion (A) of the base body () having a rod shape and a chip discharge section () provided adjacent to the cutting edge () so as to extend rearwards (i.e., towards the rear end) from the tip portion (A), the coating layer () comprising a mixture phase of diamond and graphite and having a diamond content ratio which is lower in a rear end located 10 mm rearward from the tip than in the tip portion (A).