Method for lining pipe lines

Details Method for lining pipe lines Method for lining pipe lines

B - Operations, Transporting

29

C

154/8

B29C 63/20 (2006.01) B29C 63/36 (2006.01) F16L 55/165 (2006.01) F16L 58/00 (2006.01)

Patent

CA 1286963

S P E C I F I C A T I O N Title: METHOD FOR LINING PIPE LINES ABSTRACT OF THE DISCLOSURE Method and apparatus for lining pipe lines, especially those buried in the ground and having a large diameter, according to the so-called evagination-lining technique by using a compressed gas as a pressurized fluid, which is so improved as to secure complete sealing of a pressure container for inserting the lining material into a pipe line by using a specific sealing device using a liquid in place of a mechanical sealing device while preventing a binder applied onto the inner surface of the lining material from being squeezed backwards when the lining material is introduced into the pressure container.

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