Method and apparatus for the maintenance of pipelines
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United States of America Patent
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Dec 7, 2010
Grant Date -
Mar 20, 2008
app pub date -
Jul 5, 2007
filing date -
May 21, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Method and apparatus for the maintenance of pipelines. The method includes selecting a number of points along the pipeline and raising the pipeline at these points by an amount that the height difference between these points does not exceed the international flexibility standards. The apparatus includes at least one lifting frame, telescopic lifting arms and a flexible device connected to the lifting arms for engaging the pipeline.
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