Vertical drainage device

Details Vertical drainage device Vertical drainage device

1991-06-06

1993-03-02

Reese, Randolph A.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

405 36, 521695, E02B 1100

Patent

active

051904047

ABSTRACT:
A vertical drainage device including a generally plate-like elongated conduit member formed of a synthetic resin and a non-woven fabric attached to the conduit member. The vertical drainage device is adapted to be embedded into soil in a vertical direction coincident with a longitudinal direction of the conduit member and adapted to suck up water existing in the soil. The conduit member is comprised of a plurality of parallel vertical ribs extending in the longitudinal direction of the conduit member and a plurality of transverse ribs extending in a transverse direction of the conduit member for connecting the vertical ribs together. A spacing 1 between the adjacent ones of the vertical ribs is set to a 0.5 mm-5 mm, so as to define a conduit space between the adjacent vertical ribs. Accordingly, a drainage efficiency of the vertical drainage device can be greatly improved.

REFERENCES:
patent: 3403519 (1968-10-01), Balko
patent: 3563038 (1971-02-01), Healy et al.
patent: 3654765 (1972-04-01), Healy et al.
patent: 3795180 (1974-03-01), Larsen
patent: 4622138 (1986-11-01), Wager
patent: 4704048 (1987-11-01), Ahlgrimm

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