Pipeline lining method

Details Pipeline lining method Pipeline lining method

B - Operations, Transporting

29

C

B29C 63/34 (2006.01) B29C 35/04 (2006.01) F16L 1/038 (2006.01) F16L 57/00 (2006.01) F16L 58/10 (2006.01)

Patent

CA 2588729

A tubular pipe lining material impregnated with a thermosetting resin is inserted into a pipeline and made to expand and press against an inner peripheral surface thereof. Hot water or steam is sprayed onto the pipe lining material to cure the thermosetting resin impregnated therein. Hot water that has accumulated in a bottom part of the pipe lining material is pumped out to an external location by a pump and cooled by a cooling device to generate cool water, which is then sprayed via a hose onto the cured pipe lining material to thereby cool the heated pipe lining material. This enables the thermally cured pipeline lining material to be reliably cooled and rendering a water truck unnecessary that is required at a construction site to supply additional cooling water.

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