Lining of pipelines or passageways

Details Lining of pipelines or passageways Lining of pipelines or passageways

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/165 (2006.01)

Patent

CA 2099584

ABSTRACT A method of lining a pipeline or passageway surface wherein a first flexible tubular member is everted into a pipeline or passageway surface to be lined, and to the trailing end of the first flexible tube is connected the folded thermoplastic lining pipe so that it is pulled into the pipeline or passageway by virtue of the eversion operation, and wherein heated fluid is used for the eversion so that when the thermoplastic pipe is completely inside the pipeline or passageway, it will be surrounded by heated fluid to soften same, following which the softened thermoplastic pipe is inflated by fluid pressure onto the pipeline or passageway surface where it is allowed or caused to solidify in place.

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