Apparatus for lining pipe lines including liquid seal means

Details Apparatus for lining pipe lines including liquid seal means Apparatus for lining pipe lines including liquid seal means

1989-08-01

1990-08-14

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Chamber enclosing work during bonding and/or assembly

156423, 156538, 277135, 4253871, B29C 6336

Patent

active

049484524

ABSTRACT:
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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patent: 4427480 (1984-01-01), Kamuro et al.
patent: 4668125 (1987-05-01), Long, Jr.
patent: 4685983 (1987-08-01), Long, Jr.

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