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:
Jun. 10, 2025
Filed:
Jun. 11, 2020
Applicant:
Sumitomo Electric Hardmetal Corp., Itami, JP;
Inventors:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP., Itami, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); C30B 29/20 (2006.01);
U.S. Cl.
CPC ...
B23B 27/148 (2013.01); C30B 29/20 (2013.01); B23B 2224/04 (2013.01); B23B 2228/105 (2013.01);
Abstract
A cutting tool includes: a substrate; and a coating film disposed on the substrate, wherein the coating film includes an α-AlOlayer, the α-AlOlayer includes a plurality of α-AlOcrystal grains, and has a TC(006) of more than 5 in texture coefficient TC(hkl), and a plastic deformation amount hp of the α-AlOlayer at 800° C. is 0 nm or more and 100 nm or less.