B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
143/33
B23D 45/12 (2006.01) B23D 45/18 (2006.01) B23D 45/22 (2006.01) B23D 47/06 (2006.01)
Patent
CA 1049379
ABSTRACT OF THE DISCLOSURE The disclosure is directed to a rotary saw for cutting sections of scrap pipe in a pipe forming mill. The saw includes a frame, mounted for rotation above the pass line and carrying cutting saws at each of two ends, enabling two cuts to be made for each revolution of the rotary frame. The individual saw mechanisms are mounted for rotation in the frame and are tied to the stationary frame of the apparatus in a manner to maintain the saw blades at all times in a vertical plane for cutting a horizontally moving pipe. Both of the saws are driven by a common, motor driven shaft, which is concentric with the rotary mounting shaft for the saw frame and is gear-connected to the respective saw blades. A pipe lifting cam is synchronously associated with the rotation of the saw frame, for lifting, supporting and con- fining the moving pipe each time a saw blade moves into cutting position. The entire scrap saw unit is movably mounted in re- lation to the pipe pass line, enabling the saw to be retracted well away from the pass line during normal operation of the mill.
268069
Scheib William R.
Shaffer Ralph M. (jr.)
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