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. 03, 2018
Filed:
Jan. 28, 2015
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Masahiko Kuroda, Higashiomi, JP;
KYOCERA CORPORATION, Kyoto, JP;
Abstract
An end mill includes a body including an axis, first cutting edges on a side of a front end of the body, second cutting edges at a rear side of the respective first cutting edges, flutes located along the second cutting edges, and heels located along the flutes. A shape of each of the flutes in a cross section includes a first concave curve on a side of the second cutting edges, a second concave curve on a side of the heels, and a protrusion located between the two concave curves, the protrusion includes two concave curves intersect each other, and a ratio of a distance from a circle including a maximum diameter in the body centered on the axis to a top of the protrusion to a distance H from the circle to the second cutting edge is 0.1 to 0.4.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile