B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
29/32, 29/45
B26D 1/12 (2006.01) B23B 27/14 (2006.01)
Patent
CA 1098685
ABSTRACT OF THE DISCLOSURE An indexable, insert for single-point and mul- tiple-point negative rake holding devices which convert the cutting point to a positive cutting geometry. The insert has straight descending and widening V-shaped grooves from each corner along the adjacent sides, each groove modulating into a low angle straight section which rises abruptly into a radial cross-ridge at the midpoint of the groove, the cross-ridge rising to a crest line below the plane of the resulting island created by the grooves around the insert.
335095
Arnold Leonard R.
Berry Robert W. Jr.
Fansteel Inc.
Marks & Clerk
LandOfFree
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