| 摘要 |
<p>1,030,647. Sawing. G. GRASSMAN. ,May 28, 1964 [May 28, 1963], No. 22099/64. Heading B5L. A saw has some teeth 4 widened by a displacement of the material and the consequent forming of notches 5 in those teeth. The saw, which may be circular and used as a hot saw, may have the widened teeth alternating with raker teeth 6, Fig. 2 (not shown), of the same width as the blade of the saw, or a plurality of raker teeth may be provided between two widened teeth, or a plurality of widened teeth 4 may be provided between two raker teeth.</p> |
