Apparatus and method for pipeline renovation

Details Apparatus and method for pipeline renovation Apparatus and method for pipeline renovation

1998-01-07

1999-11-30

Bagnell, David

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

405146, E21D 1104

Patent

active

059931140

ABSTRACT:
A method of providing an internal lining in a pipeline. The method comprises inverting a tubular liner within said pipeline, said liner having a cementitious coating on a surface thereof. This brings the cementitious material into contact with the wall of the pipeline.

REFERENCES:
patent: 3422631 (1969-01-01), Silverman
patent: 3494813 (1970-02-01), Lawrence et al.
patent: 4626133 (1986-12-01), Waring
patent: 4714095 (1987-12-01), Muller et al.
patent: 5653555 (1997-08-01), Catallo
International Publication No. WO 94/04349, dated Mar. 3, 1994.

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