B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
143/76
B23D 61/02 (2006.01) B27B 33/08 (2006.01)
Patent
CA 1301596
Abstract Circular saw blades are provided on their outer periphery with saw tips (1) having hard-metal teeth (2), a centrally located mounting hole (5), and a plurality of cutter slots (12', 12'') that are in each instance arranged in different areas of the diameter of the blade, and cutter bars (8) of hard metal, high performance high-speed steel or tool steel, that are arranged on the trailing edges, relative to the direction of rotation of the blade, of these slots. In order to create a circular-saw blade in a manner that saves material, that permits the production of very narrow kerfs, and yet is sufficiently stable or stiff, the cutter bars are configured with support bars (8) that extend at both ends beyond the trailing edges of the cutter slots and which are rigidly joined to those points of the saw blade that are covered by the support ends. It is a particular advantage if the inner cutter slots (12', 12'') become wider to the outside, in a radial direction, and in particular are of a wedge shape. (Figure 8).
551865
Fetherstonhaugh & Co.
Richard Felde Gmbh & Co. Kg.
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