Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshinori Tanigawa0
Gaku Harada0
Satoru Kukino0
Date of Patent
July 6, 2021
0Patent Application Number
157639110
Date Filed
August 24, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A cutting tool according to an aspect of the present disclosure includes a cutting edge portion which contains at least one of cubic boron nitride and polycrystalline diamond. The cutting edge portion includes a rake face, a flank face, and a cutting edge. The flank face is contiguous to the rake face. The cutting edge is provided as a ridge line between the rake face and the flank face. The radius of curvature of the cutting edge is 2 μm or more and 8 μm or less.
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