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. 14, 2026
Filed:
Aug. 21, 2023
Tungaloy Corporation, Fukushima, JP;
Yasutake Sasaki, Iwaki, JP;
TUNGALOY CORPORATION, Fukushima, JP;
Abstract
A cutting insert capable of performing groove machining while efficiently fragmenting chip is provided. A cutting insertincludes a front cutting edge, a pair of side cutting edges, a pair of corner cutting edgeseach connecting the front cutting edge and a corresponding one of the side cutting edges, corner rake surfacesextending from the corner cutting edges, and a protrusion partprotruding from the corner rake surfacesand provided with a flat boss surfaceat a leading end. Corner wall surfacesextending from the boss surfacetoward the corner rake surfacesare formed at the protrusion part. At least a part of the corner wall surfaceshas a tilt angle of 40° or larger relative to the boss surface