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:
Apr. 27, 2021
Filed:
Feb. 17, 2017
Sumitomo Electric Hardmetal Corp., Itami, JP;
Hideaki Kanaoka, Sorachi-gun, JP;
Shinya Imamura, Sorachi-gun, JP;
Anongsack Paseuth, Sorachi-gun, JP;
Yuta Koyoshi, Sorachi-gun, JP;
Satoshi Ono, Sorachi-gun, JP;
Kouhei Yoshimura, Sorachi-gun, JP;
Sumitomo Electric Hardmetal Corp., Itami, JP;
Abstract
A surface-coated cutting tool includes a substrate and a coating that is disposed on the substrate and formed so as to cover at least a portion of a flank face, in which the coating includes an inner layer and an outer layer formed on the inner layer, the inner layer is formed of at least one layer and includes an aluminum oxide layer as a layer in contact with the outer layer, the outer layer has a multilayer structure that includes three or more layers stacked on top of one another, and each of the layers that constitute the multilayer structure contains titanium.