Throw-away tip

Details Throw-away tip Throw-away tip

2007-06-26

2007-06-26

Howell, Daniel W. (Department: 3722)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

C407S115000

Reexamination Certificate

active

10659933

ABSTRACT:
A throw-away tip of which two principal surfaces each has a land surface provided along the periphery thereof, a central surface provided on the inside of the land surface, a recess (a chip breaker groove) interposed therebetween, and at least one protrusion that extends from the central surface toward the land surface, wherein height of the land surface is made equal to the height of at least the top surface of the protrusion so that at least the top surface of the protrusion of the central surface and the land surface both serve as contact surface is provided.

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