Cutters – for shaping – Including holder having seat for inserted tool – With separate means to fasten tool to holder
Patent
1989-09-27
1991-02-12
Terrell, William E.
Cutters, for shaping
Including holder having seat for inserted tool
With separate means to fasten tool to holder
407114, 407116, 407117, B23B 2708, B23B 2914
Patent
active
049920073
ABSTRACT:
A metal cutting insert of substantially polygonal shape having top, bottom, front, rear and side faces; a front cutting edge being formed at the intersection of the top and the front face and first and second side cutting edges formed respectively at the intersections of the top and the two side faces, chip forming means being located on the top face within an area defined by the cutting edges; the top and bottom faces being respectively of convex and concave disposition.
REFERENCES:
patent: 3364544 (1968-01-01), Urranic
patent: 3653107 (1972-04-01), Hertel
patent: 3815191 (1974-06-01), Holma
patent: 3820211 (1974-06-01), Kus
patent: 4583887 (1986-04-01), Wertheimer
patent: 4602897 (1986-07-01), Teets
patent: 4693641 (1987-09-01), Tsujimura et al.
patent: 4776733 (1988-10-01), Petterson
patent: 4778311 (1988-10-01), Niemi
Iscar Ltd.
Terrell William E.
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