Method and apparatus for treating underground pipeline

Details Method and apparatus for treating underground pipeline Method and apparatus for treating underground pipeline

2005-11-22

2005-11-22

Edwards, Laura (Department: 1734)

Coating apparatus

With indicating, testing, inspecting, or measuring means

C118S713000, C118S215000, C118S254000, C118S306000, C118S317000, C118SDIG010, C138S098000

Reexamination Certificate

active

06966950

ABSTRACT:
A system for internally filling a joint or other discontinuity in a pipeline. The system includes a flexible conduit, a fill device removably connected to said flexible conduit, wherein the fill device is constructed and arranged to apply a fill material to an interior surface of said pipeline to fill one or more gaps in the pipeline, and a propulsion unit connected to at least one of the flexible conduit and the fill device that propels the flexible conduit through said pipeline.

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