Pipe straightening apparatus and a method of straightening a pipe
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United States of America Patent
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Sep 5, 2017
Grant Date -
Jun 5, 2014
app pub date -
May 9, 2012
filing date -
May 9, 2011
priority date (Note) -
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Abstract
A pipe straightening apparatus comprising a first set of rotatably mounted elements which define, at least in part, a first passageway through which a pipe can be constrained to pass, so as to straighten the pipe, wherein the first set of rotatably mounted elements are arranged such that when a pipe translates within the first passageway, relative to the apparatus, the first set of rotatably mounted elements roll along the pipe, relative to the pipe, in a direction which has a component in the circumferential direction of the pipe and a second set of rotatably mounted elements which define, at least in part, a second passageway through which a pipe can pass, wherein the second set of rotatably mounted elements are arranged such that when a pipe translates within the second passageway, relative to the apparatus, the second set of rotatably mounted elements roll along the pipe, relative to the pipe, in a direction that is substantially parallel to the longitudinal axis of the pipe.
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