Lining of pipelines or passageways

Details Lining of pipelines or passageways Lining of pipelines or passageways

F - Mech Eng,Light,Heat,Weapons

16

L

154/53.21

F16L 58/10 (2006.01) B29C 63/36 (2006.01) E21D 5/012 (2006.01) F16L 55/165 (2006.01) F16L 58/02 (2006.01)

Patent

CA 1217416

A B S T R A C T The lining of pipelines or passageways. The invention provides that a tubular lining, suitable comprising an inner felt layer soaked in curable synthetic resin, and an outer impermeable layer, so everted into a pipeline or passageway by means of a gaseous fluid medium which holds the lining against the passageway surface, a pull tape or card which is inside the lining and emerges from the everting face so that tension can be applied thereto, and a lubricating medium inside the everted portion to enable the inwardly travelling uneverted portion to slide over the previously everted portion.

420843

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