Method for repairing pipes
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United States of America Patent
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Feb 13, 2007
Issued Date -
N/A
app pub date -
Aug 2, 2002
filing date -
Aug 7, 2001
priority date (Note) -
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Abstract
The invention concerns a method for repairing a pressurized fluid supply pipeline (1) comprising a series of buried prestressed concrete pipe segments (2, 3, 4) which consists in: providing excavations in the trench, beneath suitably set portions (6, 7) of the pipe (1), cleaning up said pipe portions, installing and tensioning the prestressed reinforcements (12) around said portions of the pipe and filling up the excavations with earth material by compacting said material.
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