Sleeve with insert for repairing high-pressure fluid pipes

Details Sleeve with insert for repairing high-pressure fluid pipes Sleeve with insert for repairing high-pressure fluid pipes

2004-02-24

2008-05-13

Hook, James (Department: 3754)

Pipes and tubular conduits

Repairing

Patches

C138S132000

Reexamination Certificate

active

07370676

ABSTRACT:
A sleeve f or repairing a fluid pipe (12), including a rigid or flexible shell (22) which forms a mold that surrounds at least one defective area (10) of the pipe. A liquid-state polymerizable material is injected into the mold, which polymerizes and seals the defective area. The sleeve also includes an insert which is made up of several coils of a filiform element (14), which is wound into a helix around the defective area of the pipe, before the polymerizable material is injected or infused.

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