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. 15, 2022
Filed:
Jun. 04, 2020
Applicant:
Sumitomo Electric Hardmetal Corp., Itami, JP;
Inventors:
Yasuki Kido, Itami, JP;
Susumu Okuno, Itami, JP;
Fumiyoshi Kobayashi, Itami, JP;
Masahito Hikiji, Itami, JP;
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP., Itami, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); C23C 16/02 (2006.01); C23C 16/36 (2006.01); C23C 16/40 (2006.01); C23C 16/34 (2006.01);
U.S. Cl.
CPC ...
B23B 27/148 (2013.01); C23C 16/0272 (2013.01); C23C 16/34 (2013.01); C23C 16/36 (2013.01); C23C 16/403 (2013.01); B23B 2224/04 (2013.01); B23B 2224/24 (2013.01); B23B 2224/32 (2013.01); B23B 2228/105 (2013.01);
Abstract
A cutting tool includes: a substrate; a hard layer provided on the substrate; and a titanium carbonitride layer provided on the hard layer, wherein a thickness of the titanium carbonitride layer is more than or equal to 2 μm, a hardness of the titanium carbonitride layer at a room temperature is more than or equal to 35 GPa, and a Young's modulus of the titanium carbonitride layer at the room temperature is more than or equal to 800 GPa.