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:
Dec. 27, 2022
Filed:
Jan. 30, 2019
Applicant:
Sumitomo Electric Hardmetal Corp., Itami, JP;
Inventors:
Kouhei Yoshimura, Itami, JP;
Haruyo Fukui, Itami, JP;
Makoto Setoyama, Itami, JP;
Keizo Tanaka, Itami, JP;
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP., Itami, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); B23B 51/00 (2006.01); B23C 5/16 (2006.01); C23C 14/06 (2006.01);
U.S. Cl.
CPC ...
B23B 27/148 (2013.01); B23B 51/00 (2013.01); B23C 5/16 (2013.01); C23C 14/0641 (2013.01); C23C 14/0664 (2013.01);
Abstract
A surface-coated cutting tool includes: a substrate including a rake face and a flank face; a first coating film that coats the rake face; and a second coating film that coats the flank face, wherein the first coating film includes a first composite nitride layer at a region don the rake face, the second coating film includes a second composite nitride layer at a region don the flank face, the first composite nitride layer includes TiAlTaCN, the second composite nitride layer includes TiAlTaCN.