| 摘要 |
<p>1,198,156. Flying shears. MANNESMANNMEER A.G. 12 June, 1968 [13 June, 1967], No. 27820/68. Heading B3W. Flying shears for cutting tubular rolled material moving at high speed includes a frame 5 which carries at least three driven rollers 2 each having a concave surface and carrying a concave cutter 1 so located relative to the other cutters that they come into action simultaneously, the rollers and cutters during use supporting the workpiece circumferentially. The rollers are driven by a common shaft 4 through bevel gears 3. The frame 5 may be mounted in a C form stand.</p> |
