Patent ID: 9278393
Filing Date: 2016-03-08
CPC Classification: B23B,Y10T

Claim Text:
1. A cutting insert, comprising: an insert body comprising an upper surface, a lower surface, a side surface connected to each of the upper surface and the lower surface, and a cutting edge located at an intersection of the upper surface and the side surface, the insert body being divided into a cutting section and a fixing section, wherein a region of the upper surface located at the cutting section comprises a rake surface which is located further inward than the cutting edge and is inclined as going inward at an inclination angle α a plurality of protruded parts arranged along the cutting edge, the plurality of protruded parts comprise the two first protruded parts contact each other, two of the second protruded parts adjacent to each other of the plurality of second protruded parts contact each other, and the first protruded parts and the second protruded parts are spaced apart from each other.