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:
Nov. 13, 2018
Filed:
Dec. 29, 2017
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Hirohisa Ishi, Omihachiman, JP;
Yoshihito Ikeda, Ritto, JP;
KYOCERA Corporation, Kyoto-shi, JP;
Abstract
A cutting insert according to an embodiment has a polygonal shaped upper surface, a lower surface, a side surface, and a cutting edge. The cutting edge has an arc-shaped first corner edge, an arc-shaped second corner edge, and a wiper edge located between the first corner edge and the second corner edge. The wiper edge has an arc-shaped first wiper edge and an arc-shaped second wiper edge located closer to the second corner edge than the first wiper edge. R<R<Ris satisfied wherein Ris a radius of curvature of the first wiper edge, Ris a radius of curvature of the second wiper edge, and Ris a radius of curvature of each of the corner edges in a top view.