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:
Oct. 10, 2023
Filed:
Dec. 28, 2020
Applicant:
Union Tool Co., Tokyo, JP;
Inventors:
Assignee:
UNION TOOL CO., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C 5/06 (2006.01); B23C 5/10 (2006.01);
U.S. Cl.
CPC ...
B23C 5/06 (2013.01); B23C 5/1009 (2013.01); B23C 2200/08 (2013.01); B23C 2226/31 (2013.01); B23C 2228/10 (2013.01);
Abstract
It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat filmcoated onto a tip end section of a tool bodyhaving a chip discharge groove. A rake faceis concavely provided in a cutting edge-side chip discharge groove formation surfaceconstituting the chip discharge grooveof the tool body, from a cutting edgeand along the cutting edge