B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 41/02 (2006.01) B23B 5/16 (2006.01)
Patent
CA 2110350
An apparatus for machining a counterbore in a pipe is provided which comprises an expander unit adapted for being secured against the inside surface of a pipe. A shaft extends from the expander unit coaxial with the pipe and a flywheel is rotatably and slidably mounted on the shaft. A pair of parallel guide structures are mounted on the face of the flywheel, and a frame is slidably mounted on the parallel guide structures such that the frame is linearly movable along the guide structures in a radial direction relative to the shaft. A cutting tool is mounted to the frame and has a distal end that is extendable radially beyond the radially outermost point of the frame. A pair of actuators are attached to the frame and to the flywheel such that the actuators can move the frame along the guide structures and force the cutting tool against the inside surface of the pipe during the counterboring procedure.
Crc-Evans Pipeline International Inc.
Kirby Eades Gale Baker
LandOfFree
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