F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/18 (2006.01)
Patent
CA 2055036
ABSTRACT PIPELINE REPLACEMENT A method for replacing an existing pipeline, for example a cast iron water main, employs a mole 2 whose front end fractures the pipeline and carries into the pipeline a replacement pipeline 13. Within the replacement pipeline, suitably clamped between the mole and the replacement pipeline, is a flexible, impermeable liner to screen the replacement pipeline from contamination from the equipment employed.
D.j. Ryan & Sons Limited
Swabey Ogilvy Renault
LandOfFree
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