Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Patent
1978-05-12
1980-03-11
Corbin, David H.
Hydraulic and earth engineering
Drainage or irrigation
Porous or apertured pipe, flume, or tileway
405 46, E02B 1300
Patent
active
041926285
ABSTRACT:
A distributor unit for use in leaching fields comprises a hollow open-bottomed concrete structure having a top wall and side and end walls defining a central cavity and which, in use, protects a sand bed into which effluent material from a septic tank can flow. The top of the structure is provided with a longitudinal channel which receives a perforated supply pipe for the effluent, and the base of the channel has apertures through which the effluent material can flow from the channel down onto the sand bed. The side walls have openings to allow evaporation of liquid from the central cavity. The whole structure is designed to be surrounded by crushed stone and to be covered with earth.
REFERENCES:
patent: 1078637 (1913-11-01), Naylor
patent: 2366522 (1945-01-01), Gutman
patent: 2803948 (1957-08-01), Dorfman
patent: 3339366 (1967-09-01), Gogan et al.
patent: 3645100 (1972-02-01), La Monica
patent: 3820341 (1974-06-01), Richard et al.
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