Apparatus and method for the repair and stabilization of...

Details Apparatus and method for the repair and stabilization of... Apparatus and method for the repair and stabilization of...

2006-11-14

2006-11-14

Fischer, Justin (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C138S097000

Reexamination Certificate

active

07135087

ABSTRACT:
The apparatus and method for eliminating ground water infiltration while stabilizing the ground and repairing underground pipe/conduit and connections is taught in this art. The steps are to first inject, under pressure, expandable structural foam in the space adjacent and outside the pipe while blocking any infiltration of the foam into the interior of the pipe, conduit or connection. Concurrently or separately the inside diameter of the pipe is receiving a structural repair. The result is stabilized ground, elimination of ground water infiltration and repair of the host pipe conduit or connection.

REFERENCES:
patent: 4567708 (1986-02-01), Haekkinen
patent: 4768562 (1988-09-01), Strand
patent: 5911545 (1999-06-01), Heitkamp
patent: 6068725 (2000-05-01), Tweedie et al.
patent: 6521673 (2003-02-01), Brown
patent: 6634831 (2003-10-01), Canteri
patent: 3929558 (1991-03-01), None
patent: 6-320624 (1994-11-01), None
Machine translation of Kamiyama JP 6-320624.

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