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PIPE CUTTING DEVICES AND METHODS OF MAKING AND USING THE SAME

  • US 3,656,734 A
  • Filed: 10/08/1969
  • Issued: 04/18/1972
  • Est. Priority Date: 10/08/1969
  • Status: Expired due to Term
First Claim
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1. A pipe cutting device comprising, base means, carriage means movably mounted on said base means, support means operably mounted on said carriage means, said support means adapted to support and rotate large diameter metal pipe about its longitudinal axis, adjustable torch holding means operably mounted on said base means, position sensing means operably mounted on said base means, said position sensing means adapted to detect any longitudinal movement of said pipe while said pipe is rotated on said carriage means and to provide a signal indicative thereof, drive means operably Mounted on said carriage means, said drive means adapted to reposition said carriage means in response to signals from said position sensing means.

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