E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
E02B 11/00 (2006.01) E02D 3/10 (2006.01)
Patent
CA 2043821
ABSTRACT OF THE DISCLOSURE 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 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.
Kiyokawa Nobuo
Nishimura Jun
Kirby Eades Gale Baker
Kiyokawa Nobuo
Mitsui Petrochemical Industrial Products Ltd
Mitsui Petrochemical Industries Ltd.
Nishimura Jun
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