B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 61/00 (2006.01) B23D 61/12 (2006.01) B23D 63/12 (2006.01) B23D 65/00 (2006.01) B27B 33/02 (2006.01)
Patent
CA 2058518
The method of making a saw blade includes the steps: (1) provision of a trapezial tooth between every two triangular teeth, the trapezial tooth having two opposite sides which extend towards one another at a top end, a distal bottom end opposite the top end and two opposite trapezial faces; (2) provision of cutting edges by forming two inclined faces which converge from one of the trapezial faces towards the other one of the trapezial faces; (3) provision of a cut at a rear one of the inclined faces which cut forms an inverted "L" shape that extends vertically to a predetermined height from the distal bottom end; and (4) the grinding of the distal bottom end to form a triangular tip face which extends inclinedly from a front section to a rear section of the trapezoid tooth.
Hsu An-Sun
Riches Mckenzie & Herbert Llp
LandOfFree
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