Device and method for repairing pipe using hydrophilic seals

Pipes and tubular conduits – Repairing – Patches

Reexamination Certificate

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Details

C138S097000

Reexamination Certificate

active

06994118

ABSTRACT:
A liner tube is provided for repairing either a single pipe line or a main pipe line having a lateral pipe line connected thereto. The liner tube assembly includes a liner tube impregnated with a liquid material capable of curing and hardening. The liner tube includes two hydrophilic sealing members positioned on opposite sides of the damaged portion of the pipe line. The hydrophilic seals, when encountering liquid expand and form a liquid tight seal between the liner tube and the pipe line.

REFERENCES:
patent: 3773593 (1973-11-01), Casadevall et al.
patent: 3894131 (1975-07-01), Speech
patent: 5340160 (1994-08-01), Meijers et al.
patent: 5393481 (1995-02-01), Wood
patent: 5738146 (1998-04-01), Abe
patent: 5765597 (1998-06-01), Kiest et al.
patent: 5927341 (1999-07-01), Taylor
patent: 5950682 (1999-09-01), Kiest, Jr.
patent: 6021815 (2000-02-01), Kiest et al.
patent: 6039079 (2000-03-01), Kiest, Jr.
patent: 6068725 (2000-05-01), Tweedie et al.
patent: 6199591 (2001-03-01), Kiest et al.
patent: 6641687 (2003-11-01), Kiest et al.
patent: 6688337 (2004-02-01), Ward
patent: G 93 13 279.0 (1993-12-01), None
patent: 0 564 741 (1993-10-01), None

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