Sewer pipe relining method

Details Sewer pipe relining method Sewer pipe relining method

1989-03-09

1990-09-04

Reese, Randolph A.

Hydraulic and earth engineering

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

Repair, replacement, or improvement

405154, 405150, 138 97, 285 15, 285 55, F16L 5518, F16L 922, E03F 306

Patent

active

049540165

ABSTRACT:
The present invention discloses apparatus and methods for relining sewer mains without excavation. The sewer main is accurately measured and pre-selected short sections of reliner pipe are inserted one at a time. Visual equipment and manipulative apparatus is provided which will orient lateral openings with lateral drains. The orientation sealing and grouting of the reliner pipe can be conducted after insertion so that crews can move ahead with relining other sections of the sewer.

REFERENCES:
patent: 3233315 (1966-02-01), Levake
patent: 4060992 (1977-12-01), Heitkamp et al.
patent: 4678370 (1987-07-01), Allen
patent: 4724108 (1988-02-01), Jurgenlohmann et al.
patent: 4728223 (1988-03-01), Rice
patent: 4796669 (1989-01-01), Saint Onge

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