B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
B27B 5/29 (2006.01) B23D 61/04 (2006.01)
Patent
CA 2115617
ABSTRACT A cutting insert is provided that is suitable for u e in heavy duty circular saws used in the logging industry. The cutting insert is shaped substantially as a section of a hollow cylinder having a concave front surface and a convex rear surface and at least three sides. A first of said sides is angled relative to the front and rear surfaces to define a first cutting edge adjacent the front surface. The cutting insert may be used with an intermediate element to replace one-piece removable cutting teeth. An improved rotary cutting tool disk adapted for use with a cutting insert of this invention is also provided. The improved disk has a plurality of elements on its periphery for supporting cutting tenth wherein the elements extend beyond the plane of the disk and radially beyond the edge of the disk and each element has a concave surface with a circular profile overlapping the plane of the disk for supporting a cutting tooth.
Fetherstonhaugh & Co.
Fradette Michael Peter
Tenning Gerald Douglas
LandOfFree
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