Cutting insert

Details Cutting insert Cutting insert

2008-03-26

2010-02-23

Fridie, Jr., Will (Department: 3724)

Cutters, for shaping

With chip breaker, guide or deflector

Comprising concave surface in cutting face of tool

C407S117000, C407S114000

Reexamination Certificate

active

07665933

ABSTRACT:
A cutting insert having an insert body formed in a shaft-shape, wherein a cutting edge portion having a square rake face is formed on an end portion of the insert body, and wherein the rake face includes: a pair of side cutting edges extending in a longitudinal direction of the insert body; a front cutting edge extending in a transverse direction perpendicular to the longitudinal direction between each front end of the side cutting edges; a pair of protruded streaks extending toward each of corner portions at which each of the side cutting edges intersect the front cutting edge, and a projection which protrudes and is separated from the protruded streaks between front ends of the protruded streaks in the vicinity of the corner portion and the corner portion.

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European Search Report dated Jan. 14, 2009, issued on the corresponding European patent application No. 08 00 5589.0.
European Search Report dated Jan. 19, 2009, issued on the corresponding European patent application No. 08 00 5586.6.

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