METHOD FOR REPAIRING CONDUIT

摘要

PROBLEM TO BE SOLVED: To repair in a short time and efficiently a conduit group consisting of two or more conduits laid in parallel.

SOLUTION: This method for repairing a conduit repairs two or more conduits 10 laid in parallel. Cylindrical repairing materials 13 to repair the conduits 10 by being brought in pressure contact with the inner wall surfaces of the conduits 10 and thermoset are installed in respective conduits 10. After installation of the cylindrical repairing materials 13 is completed, high temperature fluid is fed from a fluid feeding source 14a to one end 10A of two or more conduits 10, and fed to the other end 10B thereof. Two or more cylindrical repairing materials 13 are hardened simultaneously by the heat of fed fluid, and the conduits are repaired.

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