Pipe end machining device with axial autofeed
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United States of America Patent
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Aug 25, 2015
Grant Date -
Feb 24, 2011
app pub date -
Oct 7, 2009
filing date -
Aug 21, 2009
priority date (Note) -
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Abstract
A device for preparing the end of a pipe includes a non-rotatable mandrel one end of which is attachable to the pipe. A motor rotates a sleeve around the mandrel and the sleeve retains an arm perpendicular to the mandrel for cutting the pipe. A cam surface on the rotating sleeve moves a cam follower. Movement of the cam follower is converted to rotational movement for turning a feed nut threaded on the mandrel. The rate at which the sleeve is advanced by the feed nut is controlled by limiting the movement of the cam follower.
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