Indexable turning insert and a cutting tool comprising such...

Details Indexable turning insert and a cutting tool comprising such... Indexable turning insert and a cutting tool comprising such...

2011-07-05

2011-07-05

Fridie, Jr., Will (Department: 3724)

Cutters, for shaping

Including holder having seat for inserted tool

With separate means to fasten tool to holder

C407S113000

Reexamination Certificate

active

07972090

ABSTRACT:
An indexable turning insert includes two opposing larges sides formed by a support center part and a plurality of cutting parts projecting outwardly therefrom, each having a cutting edge extending between the sides and being spaced apart around the outer perimeter of the center part for indexing, has four the cutting parts. Each cutting part has a clearance side extending on one of the sides of the insert from the cutting edge of the cutting part towards the center part while making clearance angles in two dimensions with respect to the cutting edge, and the cutting edge of each cutting part makes an angle being below 90° by less than the clearance angles with the other of the sides of the insert.

REFERENCES:
patent: 2590053 (1952-03-01), Taylor
patent: 4632608 (1986-12-01), Blomberg et al.
patent: 5308197 (1994-05-01), Little
patent: 6527485 (2003-03-01), Little
patent: 6612207 (2003-09-01), Schiffers
patent: 7597508 (2009-10-01), Hecht
patent: 2003/0156910 (2003-08-01), Friedman et al.
patent: 2007/0231089 (2007-10-01), Hecht
patent: 2510960 (1976-09-01), None
patent: 1136158 (2001-09-01), None
International Search Report for corresponding International Application PCT/SE2008/050927, 2008.

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