Method and apparatus for making sewage pipe connections

Details Method and apparatus for making sewage pipe connections Method and apparatus for making sewage pipe connections

1994-06-14

1995-06-13

Fox, John C.

Fluid handling

Processes

Cleaning, repairing, or assembling

137876, 251294, F16K 1102

Patent

active

054233437

ABSTRACT:
In a sewage piping system that includes a new sewer main line that crosses existing lateral sewer lines, a rotary valve is installed at the intersection of the main line and each lateral line. Ditches containing the lines may be backfilled. Before completion and testing of the new main line; the valve permits the existing lateral line to be used as before. Thereafter the valve is rotated from above ground to connect the lateral line to the new main line and to seal off the unused portion of the lateral line.

REFERENCES:
patent: 4225110 (1980-09-01), Akkerman et al.
patent: 4264244 (1981-04-01), Steele
patent: 4522233 (1985-06-01), Mujadad

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