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:
Apr. 18, 2017
Filed:
Nov. 30, 2012
Applicants:
Fuji Jukogyo Kabushiki Kaisha, Shinjuku-ku, Tokyo, JP;
Kyocera Corporation, Kyoto, JP;
Inventors:
Assignees:
KYOCERA CORPORATION, Kyoto, JP;
FUJI JUKOGYO KABUSHIKI KAISHA, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01); B23B 51/00 (2006.01); B23B 35/00 (2006.01);
U.S. Cl.
CPC ...
B23B 51/009 (2013.01); B23B 35/00 (2013.01); B23B 51/02 (2013.01); B23B 2228/36 (2013.01); B23B 2251/04 (2013.01); B23B 2251/48 (2013.01); B23B 2251/54 (2013.01); Y10T 408/03 (2015.01); Y10T 408/906 (2015.01);
Abstract
A drill includes a substantially cylindrical cutting portion includes a first region located at a front end portion, and a second region which has a step whose diameter increases as going from the first region to a rear end in a sectional view perpendicular to a rotation axis, and which is continuous with the first region in an end of the second region on a side of the step, and using this drill, a method of manufacturing a machined product is provided.