SYSTEMS AND METHODS FOR SWAB TRANSPORT IN PIPELINE REHABILITATION
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United States of America Patent
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Issued Date -
Jul 31, 2008
app pub date -
Aug 21, 2007
filing date -
Aug 21, 2006
priority date (Note) -
Abandoned
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Abstract
A method for transporting a swab through a pipeline, or through an insert within a pipeline, according to he present invention may include coupling a swab launcher to the pipeline, the swab launcher having a launch chamber with a first inner large enough to receive a swab when the swab is substantially uncompressed and a narrowing portion configured to compress the swab to fit within the pipeline, inserting the swab into the launch chamber, pressurizing the launch chamber with a compressed fluid behind the swab, and advancing the swab with the compressed fluid through the narrowing portion and into the pipeline.
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