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:
Jun. 02, 2026
Filed:
Apr. 08, 2024
Tungaloy Corporation, Fukushima, JP;
Ryou Sasaki, Iwaki, JP;
Ryuichi Saji, Iwaki, JP;
TUNGALOY CORPORATION, Fukushima, JP;
Abstract
A cutting tool with sufficient stiffness of a body is provided. A cutting toolincludes a bodyin which a discharge groovefor guiding and discharging chips is formed, and a cutting insertfastened and fixed on a distal end side of the body. The cutting insertincludes a first surfacethrough which a through-holeis opened, and a major cutting edgeformed so as to extend straight at an end part of the first surface. A protrusion portionprotruding so as to cover part of the first surfaceof the cutting insertfrom outside is formed at the body. A clearance holeis formed so as to extend from a surface of the bodyopposite the cutting inserttoward a corner cutting edgewhen viewed from the distal end side along a central axis AX