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:
Jul. 06, 2021
Filed:
Aug. 24, 2017
Applicant:
Sumitomo Electric Hardmetal Corp., Itami, JP;
Inventors:
Assignee:
Sumitomo Electric Hardmetal Corp., Itami, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); B23B 27/20 (2006.01); B23C 5/20 (2006.01); B23P 15/34 (2006.01); B23C 5/10 (2006.01); B23C 5/16 (2006.01); B23C 5/02 (2006.01);
U.S. Cl.
CPC ...
B23B 27/20 (2013.01); B23B 27/14 (2013.01); B23B 27/145 (2013.01); B23C 5/10 (2013.01); B23C 5/16 (2013.01); B23C 5/207 (2013.01); B23P 15/34 (2013.01); B23C 5/02 (2013.01);
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.