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. 19, 2013
Filed:
Aug. 21, 2009
Kazuya Yamazaki, Toride, JP;
Kenji Sugawara, Toride, JP;
Kazuya Yamazaki, Toride, JP;
Kenji Sugawara, Toride, JP;
Mitsubishi Materials Corporation, Tokyo, JP;
Abstract
The cutting insert is provided with an insert main body, a cutting edge formed at a circumferential edge of the rake face of the insert main body to have a corner edge and two side edges arranged on the both sides thereof, a protrusion portion formed on the rake face, and a pair of convex portions formed on both sides divided by a bisector of the corner edge. Each of the pair of convex portions is provided with a first wall surface facing the corner edge of the cutting edge, and a second wall surface facing the side edge. On the rake face closer to the corner edge than the pair of convex portions, a recess having a rear wall portion which extends so as to cross the bisector between the corner edge and the convex portion is formed.