Filter tube for drain purposes

Details Filter tube for drain purposes Filter tube for drain purposes

1979-05-31

1981-04-07

Taylor, Dennis L.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

405 36, 405 50, E02B 1300, E02B 1100

Patent

active

042602840

ABSTRACT:
A filter tube for drain purposes provided with openings debouching at its outer surface, said openings being adapted to be connected to a sub-atmospheric source through at least one discharge channel in the tube. At least one flush-channel is formed in the tube, which is fully separated from the discharge channel(s) and which is adapted to be connected to a source of pressure fluid at or adjacent the one tube end, while at or adjacent the other tube end an outlet for said pressure fluid is formed.

REFERENCES:
patent: 1142125 (1915-06-01), Sooy
patent: 3522708 (1970-08-01), Firman
patent: 3851490 (1974-12-01), Matsushita
patent: 4110989 (1978-09-01), Selkirk

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