Eversion nozzle, and a method for repairing an underground tubul

Details Eversion nozzle, and a method for repairing an underground tubul Eversion nozzle, and a method for repairing an underground tubul

1995-02-03

1996-05-28

Dang, Hoang C.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

138 97, 156287, 156294, 4051501, F16L 5516

Patent

active

055204848

ABSTRACT:
An eversion nozzle used in the operation of repairing an underground tubular conduit by lining the inner wall of the tubular conduit with an everted tubular liner bag impregnated with a hardenable liquid resin: the inventive eversion nozzle is a hollow straight cylinder and its length L and inner diameter D hold:

REFERENCES:
patent: 4334943 (1982-06-01), Zenbayashi et al.
patent: 4350548 (1982-09-01), Zenbayashi et al.
patent: 4770562 (1988-09-01), Muller et al.
patent: 5358359 (1994-10-01), Long, Jr.
patent: 5384086 (1995-01-01), Smith

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