Cutting insert and milling tool

Details Cutting insert and milling tool Cutting insert and milling tool

2005-06-30

2008-11-18

Ross, Dana (Department: 3726)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C407S114000

Reexamination Certificate

active

07452167

ABSTRACT:
A milling tool includes a cutting tool insert, roughly plate-shaped and having a rake face on an upper face and a flank on a side face and a main cutting edge at an intersection ridge line part at the intersection of the rake face and the flank, fitted in the periphery of a substantially cylindrical holder removably and so that an axial rake angle of the cutting edge ridge line of the main cutting edge is positive. When the cutting tool insert is rotated about the axis of rotation of the holder, the shape of the locus of rotation of the main cutting edge in a section parallel to the axis of rotation is made an approximate circular arc shape swelling outward with progress from the ends to the center.

REFERENCES:
patent: 5052863 (1991-10-01), Satran
patent: 5071292 (1991-12-01), Satran
patent: 5951212 (1999-09-01), Emoto et al.
patent: 6543970 (2003-04-01), Qvarth et al.
patent: 6769844 (2004-08-01), Waggle
patent: 02-298415 (1990-12-01), None
patent: 03-085686 (1991-04-01), None
patent: 2004517739 (2004-06-01), None
patent: 02055245 (2002-07-01), None
Japanese language office communication and its English translation for corresponding Japanese application 2004-342340 lists the reference above.

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