F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/163 (2006.01) B32B 1/08 (2006.01) B32B 5/26 (2006.01) B32B 5/28 (2006.01) B32B 27/12 (2006.01) B32B 37/02 (2006.01) F16L 55/165 (2006.01)
Patent
CA 2361960
A tubular liner and a method for the rehabilitation of damaged conduits are disclosed. This tubular liner has unbound concentric outer and inner tubular jackets made of a flexible material capable of being impregnated with a curable adhesive resin. The tubular liner also has an impermeable film made of a material impermeable to liquid, bonded to an inner surface of the inner jacket. Therefore, the proposed method for rehabilitating a damaged conduit comprises the steps of: a) providing the above mentioned tubular liner; b) injecting a curable adhesive resin between the two tubular jackets: c) impregnating the curable adhesive resin into the tubular jackets; d) inserting the tubular liner into the conduit; e) shaping the tubular liner to conform to the inner wall of the conduit; and f) heating the curable adhesive resin for rigidifying the tubular liner.
Robic
Sanexen Environmental Services Inc.
LandOfFree
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