Apparatus for straightening pipe

A straightening apparatus for large diameter thick wall pipe has an expander head at one end of a beam inserted into the pipe and having a radially displaceable saddle positionable at any selected location along the beam. The saddle may be shifted along the beam by a linear actuator and the saddle a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Feldmann, Uwe, Kolbe, Manfred, Topüth, Arno, Fischer, Hans-Jürgen
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A straightening apparatus for large diameter thick wall pipe has an expander head at one end of a beam inserted into the pipe and having a radially displaceable saddle positionable at any selected location along the beam. The saddle may be shifted along the beam by a linear actuator and the saddle applies a radial force to the inner wall of the pipe in a bending operation.