Pipeline rehabilitation method utilizing articulated gasketed-jo

Pipes and tubular conduits – Repairing

Patent

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405150, F16L 0100

Patent

active

048484075

ABSTRACT:
A method of rehabilitating buried pipelines by the introduction of a particular liner pipe comprising sections of polyethylene pipe connected by articulated gasketed joints of bell and spigot design which are specifically adapted for ease of lining large diameter pipeliner with minimum disruption to surface traffic and pipeline flow.

REFERENCES:
patent: 1976589 (1934-10-01), Trickey
patent: 3950461 (1976-04-01), Levens
patent: 4170248 (1979-10-01), Bennett et al.
patent: 4504171 (1985-03-01), Florence
patent: 4510004 (1985-04-01), Hawerkamp
patent: 4619555 (1986-10-01), Skinner et al.
patent: 4626134 (1986-12-01), Coumont

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