Apparatus for preventing deterioration of concrete pipe

Details Apparatus for preventing deterioration of concrete pipe Apparatus for preventing deterioration of concrete pipe

1987-04-30

1990-02-13

Hornsby, Harvey C.

Cleaning and liquid contact with solids

Apparatus

For work having hollows or passages

134167C, B08B 302, B08B 902

Patent

active

048997706

ABSTRACT:
Apparatus for cleansing the upper interior surfaces of a concrete sewer conduit, the apparatus including the concrete sewer pipe and a plurality of spray nozzles spaced apart and adapted to be introduced into and disposed in and along a length of concrete sewer to enable continuous or intermittent spraying of the upper interior surfaces or, alternatively, to be permanently mounted along the length of the concrete sewer conduit when newly constructed.

REFERENCES:
patent: 3315692 (1967-04-01), Arneson
patent: 3880176 (1975-04-01), Horne
patent: 4031910 (1977-06-01), Lawson
patent: 4073302 (1978-02-01), Jones
patent: 4349073 (1982-09-01), Zublin
patent: 4420852 (1983-12-01), Bowlsby
patent: 4634312 (1987-01-01), Sterzel

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