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:
Aug. 23, 2011
Filed:
Mar. 22, 2006
Naoya Omori, Itami, JP;
Yoshio Okada, Itami, JP;
Minoru Itoh, Itami, JP;
Susumu Okuno, Itami, JP;
Shinya Imamura, Itami, JP;
Naoya Omori, Itami, JP;
Yoshio Okada, Itami, JP;
Minoru Itoh, Itami, JP;
Susumu Okuno, Itami, JP;
Shinya Imamura, Itami, JP;
Sumitomo Electric Hardmetal Corp., Hyogo, JP;
Abstract
A coated cutting insert according to the present invention includes a base layer formed on a substrate and an indicating layer formed on a part of the base layer. The indicating layer is formed on a flank face, on the base layer on the entire surface or a part of a region Aexcept for a specific region A, and on a rake face, on the base layer on the entire surface or a part of a region Bexcept for a specific region B. In the region Aand the region B, the base layer is exposed at the surface, and has compressive residual stress in one or both of the region Aand the region B