Underground drainage pipe

Details Underground drainage pipe Underground drainage pipe

1978-04-27

1980-01-15

Corbin, David H.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

405 48, E02B 1100

Patent

active

041836960

ABSTRACT:
An improved underground drainage pipe formed of an extruded stiffly flexible plastic member having a trough with spaced upstanding lips and an integral overlying roof with triangular shaped drainage openings formed through the lips at regular intervals along the length of the pipe. When buried, the drainage openings resist clogging by gravel or pebbles in the surrounding soil thereby improving the drainage capability of the pipe. The thickness of the trough increases from the center point to the lips thereby compensating for the drainage openings and enabling the pipe to withstand vertical loading forces.

REFERENCES:
patent: 460352 (1891-09-01), Reading
patent: 2782805 (1957-02-01), Leadbetter
patent: 3333422 (1967-08-01), Neyland
patent: 3681925 (1972-08-01), Schmunk et al.
patent: 4065925 (1978-01-01), Auriemma
patent: 4102135 (1978-07-01), Auriemma

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