Method and apparatus for installing a liner material into a host conduit such as, e.g., a sewer pipe, hydrocarbon pipeline, gas line, water line, industrial chemical pipe, or a saltwater line. The liner material may include a compression liner and/or a preliner that is attached to the inner wall of the...http://www.google.fr/patents/US7025580?utm_source=gb-gplus-shareBrevet US7025580 - Method and apparatus for lining a conduit
