B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/79
B24B 5/04 (2006.01) B23D 45/00 (2006.01) B23D 45/12 (2006.01) B24B 27/06 (2006.01) B28D 1/22 (2006.01)
Patent
CA 1274396
ABSTRACT OF THE DISCLOSURE A portable pipe cutter primarily intended for concrete lined pipe includes a pair of annular tracks, which are mounted in fixed, parallel relationship to each other on a pipe, a pair of rectangular plates carrying rollers for movably mounting the plates on the tracks on opposite sides of a pipe to be cut, springs resiliently interconnecting the ends of the plates, a counterweight on one plate, a rotary cutter on the other plate with a blade outside of the plate, and a tension device for adjusting the tension on the blade so that actuation of the cutter causes the device to travel around the pipe while making a cut dependent on tension on the cutter.
548639
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