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. 11, 2019
Filed:
Feb. 25, 2015
Tungaloy Corporation, Yoshima-Kogyodanchi, Iwaki-shi, JP;
Yuki Oikawa, Iwaki, JP;
TUNGALOY CORPORATION, Iwaki-shi, Fukushima, JP;
Abstract
A cutting insert has an upper surface (), a lower surface () and a side surface () that connects the two surfaces. A cutting edge is formed at an intersecting edge between the upper surface () and the side surface (). The cutting edge includes at least a major cutting edge (), a corner edge () connected to the major cutting edge (), and a curved wiper edge () located on the opposite side of the major cutting edge () across the corner edge (). A first angle θ made by the major cutting edge () and the chord of the wiper edge () is 155°≤θ<180°, and a positive land is formed in the wiper edge (). The cutting edge may further include an inner cutting edge () located on an opposite side of the corner edge () across the wiper edge ().