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:
Nov. 08, 2022
Filed:
Jan. 06, 2021
Tungaloy Corporation, Fukushima, JP;
Takehiro Ida, Fukushima, JP;
Jun Otsuka, Fukushima, JP;
TUNGALOY CORPORATION, Fukushima, JP;
Abstract
A cutting insertincludes an upper surface, a lower surfaceon a side opposite to the upper surface, and a peripheral side surfaceconnecting the upper surfaceand the lower surface. A cutting edge 61 is formed in at least a part of a first ridgelinewhere the upper surfaceand the peripheral side surfaceintersect. At least one bottomed recessrecessed from the lower surfaceto the upper surfaceis formed in an outer peripheral portion of the lower surface. Each of the recessesis formed in a substantially triangular shape having a first vertex P, a second vertex Q, and a third vertex R. The first vertex P and the second vertex Q are respectively positioned on a second ridgelinewhere the lower surfaceand the peripheral side surfaceintersect. The third vertex R is positioned on the lower surfaceand separated from the second ridgeline