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:
Jan. 22, 2019
Filed:
Jun. 24, 2015
Union Tool Co., Tokyo, JP;
Shoichi Takahashi, Tokyo, JP;
Nozomu Sato, Tokyo, JP;
UNION TOOL CO., Tokyo, JP;
Abstract
Provided is a rotary milling tool capable of finishing a milled surface to produce a smooth and glossy surface. A rotary milling tool in which a plurality of chip discharge grooves () are provided to the outer periphery of a tip part of a tool body (), the plurality of chip discharge grooves () extending from the tool tip toward the tool base, and bottom blades () are provided to an intersection ridge part at the intersection of a rake surface () of the chip discharge grooves () and a tip flank surface () of the tool body (), each of the bottom blades () being formed integrally with the tool body (), wherein a convex edge () that is convex toward a tool-axis-direction tip is formed on at least one of the bottom blades (), and the convex edge () is formed by the connection of a plurality of linear edges that are substantially linear.