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:
May. 16, 2017
Filed:
Apr. 09, 2013
Applicant:
Sumitomo Electric Hardmetal Corp., Itami-shi, Hyogo, JP;
Inventors:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP., Itami-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/00 (2006.01); B23B 27/14 (2006.01); B23C 5/20 (2006.01);
U.S. Cl.
CPC ...
B23B 27/145 (2013.01); B23B 27/148 (2013.01); B23C 5/202 (2013.01); B23B 2200/0447 (2013.01); B23B 2200/086 (2013.01); B23B 2200/201 (2013.01); B23B 2200/205 (2013.01); B23B 2222/36 (2013.01); B23B 2226/125 (2013.01); B23C 2200/086 (2013.01); B23C 2226/125 (2013.01); Y10T 407/245 (2015.01);
Abstract
A tool includes, at least on its edge, a sintered cBN compact which includes cBN particles and a bonding phase, a plurality of flutes is formed on a rake face, each of the flutes having a starting end on the edge ridgeline and causing the edge ridgeline to be wavy, and the terminal end of the flute is disposed inwardly of the edge ridgeline. It is preferable that the flute width of the flute decreases with distance from the edge ridgeline, the flute depth of the flute decreases with distance from the edge ridgeline, and the rake face has a positive rake angle.