Liner for pipeline repair and method for repairing pipelines

Details Liner for pipeline repair and method for repairing pipelines Liner for pipeline repair and method for repairing pipelines

1990-08-13

1991-07-30

Corbin, David H.

Hydraulic and earth engineering

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

138 97, 405150, F16L 1025

Patent

active

050355392

ABSTRACT:
A liner for pipeline repair is provided that includes an elastically deformable sleeve having impermeability, a base having a sheet-like base portion disposed inside the sleeve, wound into a cylindrical form, and expandable radially and fixing means disposed in the base for maintaining the base portion in a subtantially cylindrical form when the base portion is expanded radially within the sleeve. The liner is used for preventing the outflow of water from a pipeline such as a sewer pipe and/or the inflow of water into the pipeline.

REFERENCES:
patent: 4257459 (1981-03-01), Jenks
patent: 4347018 (1982-08-01), Wrightson
patent: 4371288 (1983-02-01), Broca et al.
patent: 4379654 (1983-04-01), Rovelli
patent: 4610120 (1986-09-01), Canavesi et al.
patent: 4770562 (1988-09-01), Muller et al.

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