Pipeline Lifting and Supporting Apparatus For Maintenance and Restoration Purposes
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United States of America Patent
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-
N/A
Issued Date -
Mar 19, 2015
app pub date -
Jan 30, 2013
filing date -
Dec 13, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus for lifting and supporting pipelines through which is flowable fuel, gas or hazardous industrial liquids, for maintenance and restoration purposes, which comprises a hybrid sling for supporting a pipeline segment when being raised, where the sling comprises a flexible belt portion contacting an underside of the pipeline segment and a chain portion vertically extending from each end of the belt portions to an element through which a lifting force is transmittable. The sling is assured of being sufficiently structurally strong and dimensionally stable to ensure that the difference in height of any two points of the segment when being raised is not so great as to create a danger to the integrity of the pipeline.
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Cited Art Landscape
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