Method of renovating and/or protecting sewers or pipes

Details Method of renovating and/or protecting sewers or pipes Method of renovating and/or protecting sewers or pipes

1992-06-16

1995-02-14

Taylor, Dennis L.

Hydraulic and earth engineering

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

405146, 405151, F16L 100

Patent

active

053889290

ABSTRACT:
A method of renovating sewers or pipes where an elongate plastic strip (30) is spirally wound in the sewer or pipe, the strip having joint formations (32) along each side so that a joint formation (33) on one side of the strip will butt against the joint formation (34) along the other side of an adjacent strip and a joining strip ( 50 ) is spirally wound into engagement with the adjacent joint formations to lock the windings of the strip into place. Grout is injected into the spaces between the liner and the wall of the sewer or pipe to secure the liner in position.

REFERENCES:
patent: 739969 (1903-09-01), Young
patent: 770894 (1904-09-01), Dutton
patent: 1378158 (1921-05-01), West et al.
patent: 3438211 (1969-04-01), Zywietz et al.
patent: 3815370 (1974-06-01), Lennox
patent: 3969906 (1976-07-01), McBean
patent: 4678370 (1987-07-01), Allen

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