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:
Feb. 18, 2020
Filed:
Dec. 28, 2018
Applicant:
Matsuura Machinery Corporation, Fukui, Fukui, JP;
Inventors:
Kouichi Amaya, Fukui, JP;
Ryuzo Tanaka, Fukui, JP;
Yoshiaki Kano, Fukui, JP;
Yasunori Takezawa, Fukui, JP;
Tetsuya Igarashi, Fukui, JP;
Assignee:
Matsuura Machinery Corporation, Fukui,, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 51/06 (2006.01); B23C 5/28 (2006.01); B23B 51/02 (2006.01); B23B 51/04 (2006.01);
U.S. Cl.
CPC ...
B23B 51/06 (2013.01); B23B 51/02 (2013.01); B23C 5/28 (2013.01); B23B 51/04 (2013.01); B23B 2251/408 (2013.01); Y10T 408/45 (2015.01);
Abstract
A cutting toolincludes a cutting edge equipped with a helically curved grooveat a side outer periphery in the longitudinal direction, and a coolant passage pipeextended internally and communicatively connected with ejection holesof coolant arranged inside the grooveby way of a coolant passage pipebranched from the coolant passage pipeextended around a rotation center axis along the longitudinal direction or along the helically curved groove.