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 55/16 (2006.01) F16L 55/179 (2006.01)

Patent

CA 2150111

A method and means for lining pipe laterals (12) comprises making a thermoformed collar (18) from plastics sheet material, attaching an end of a lining tube (14) thereto, taking the tube (14) with its collar (18) into a main underground passageway (10) positioning the collar (18) in register with the lateral pipe and, jacking the collar (18) onto the main passageway surface (42-50) by a launcher apparatus, and everting the lining tube (14) through the collar (18) onto the lateral pipe surface inserting a performed collar, to which a lining tube is attached, into the main end of the lateral and subsequently everting the lining tube into the lateral by fluid pressure.

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