Cutting insert having a limited number of frame faces

Details Cutting insert having a limited number of frame faces Cutting insert having a limited number of frame faces

2005-02-25

2009-10-20

Addisu, Sara (Department: 3724)

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

C407S113000

Reexamination Certificate

active

07604440

ABSTRACT:
The cutting insert has a front layer (1A) provided with the lateral faces of a front circumference (3A,4A,5A,6A) defining together with a large front face (1) a given number of cutting edges (13a,13b;14a,14b;15a,15b;16a,16b). The cutting insert also has a rear layer (1B) provided with lateral faces of a rear circumference where at least certain faces are embodied in the form of faces supporting a frame (3B,4B,5B,6B) on the walls of a toolholder housing (30), and wherein the number of the frame supporting faces (3B,4B,5B,6B) is less than the number of cutting edges (13a,13b;14a,14b;15a,15b;16a,16b).

REFERENCES:
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patent: 6050752 (2000-04-01), DeRoche
patent: 6604893 (2003-08-01), Nelson
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patent: 2007/0071561 (2007-03-01), Agic
patent: 432340 (1991-06-01), None
patent: 548752 (1993-06-01), None
patent: 1 366 840 (2003-12-01), None
patent: WO 02/20206 (2002-03-01), None
International Search Report for PCT/FR2005/000454.

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