Method for repairing pipes

Details Method for repairing pipes Method for repairing pipes

2007-02-13

2007-02-13

Brinson, Patrick F. (Department: 3754)

Pipes and tubular conduits

Repairing

Patches

C138S105000, C138S097000, C138S176000, C138S172000, C405S184100

Reexamination Certificate

active

10486063

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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patent: 2 247 299 (1975-05-01), None
patent: 2 822 177 (2002-09-01), None
International Search Report for PCT/FR02/02793 dated Jan. 7, 2003.

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