Improvements relating to the lining of pipelines and...

Details Improvements relating to the lining of pipelines and... Improvements relating to the lining of pipelines and...

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/165 (2006.01)

Patent

CA 2116966

2116966 9305333 PCTABS00020 The Insituform lining process is enhanced in that the resin impregnated lining tube (1) is everted into a collapsed preliner tube in the passageway to be lined, and a constraining means (6) permits the preliner tube to expand only at a location close to the everting face so that a pool of resin is formed between the everting face and the preliner tube adjacent the constraining means (6), preventing air from gaining access to the everting face.

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