Method for repairing a tubular conduit

Details Method for repairing a tubular conduit Method for repairing a tubular conduit

1993-09-30

1996-04-02

Simone, Timothy F.

Pipes and tubular conduits

Repairing

Patches

138108, 264 36, F16L 5516

Patent

active

055031900

ABSTRACT:
An improved method for repairing a utility pipe such as underground sewer pipe to internally line the pipe with a tubular liner impregnated with a thermosetting resin, and in this method, a hot water hose having ejection holes is inserted in the tubular liner bag to eject hot water to effect hardening of the thermosetting resin and this hose is provided with numerous floats to float in the water even when the ejected water collects and floods inside the tubular liner bag; thus, efficient shooting of the hot water from the hot water hose is secured.

REFERENCES:
patent: 3880176 (1975-04-01), Horne
patent: 4602974 (1986-07-01), Wood et al.
patent: 4773450 (1988-09-01), Stanley
patent: 4865673 (1989-09-01), Shishkin et al.
patent: 4995761 (1991-02-01), Barton
patent: 5009715 (1991-04-01), Wilson
patent: 5101863 (1992-04-01), Fujii et al.
patent: 5225121 (1993-07-01), Yokoshima

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