B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
154/53.21
B29C 63/36 (2006.01) F16L 55/165 (2006.01)
Patent
CA 1271115
ABSTRACT Improvements Relating to Lining of Pipelines in Passageways The invention provides a method of applying a resin impregnated lining sleeve to a length of passageway surface wherein the sleeve first of all has a carrier tube everted into the sleeve from one end and out of the other end, the carrier tube is re-inverted to draw the sleeve into the carrier tube and then the assembly of carrier tube and sleeve is positioned in relation to the passageway length to be lined and a the carrier tube re-everted to position the sleeve on the surface in the required position. The resin is subsequently cured and the carrier tube removed leaving a hard tubular lining shell on the passageway surface.
533953
Insituform (netherlands) Bv
Riches Mckenzie & Herbert Llp
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