Abrasive pipe saw

Details Abrasive pipe saw Abrasive pipe saw

1987-12-28

1988-10-18

Watts, Douglas D.

Cutlery

Pipe and rod cutters

Rotary

30101, 51241S, 82 72, 82 84, 82101, B23B 504

Patent

active

047777230

ABSTRACT:
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.

REFERENCES:
patent: 2842238 (1958-07-01), Shaw et al.
patent: 4138911 (1979-02-01), Namigushi

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