Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Patent
1988-08-16
1990-03-20
Taylor, Dennis L.
Hydraulic and earth engineering
Drainage or irrigation
Porous or apertured pipe, flume, or tileway
405 36, 405 43, 210459, E02B 1300
Patent
active
049096656
ABSTRACT:
A fabric wrapped corrugated structure of the type having a series of adjacent peaks and valleys with a separation structure disposed between the fabric wrapping and the peaks of the corrugated structure to allow fluid passage from the valleys through the fabric wrapping in areas above both the peaks and valleys of the corrugated structure.
REFERENCES:
patent: 1753900 (1930-04-01), Naef
patent: 2068511 (1937-01-01), Raisch
patent: 3240347 (1966-03-01), Zieyers et al.
patent: 3302408 (1967-02-01), Schmid
patent: 3830373 (1974-08-01), Sixt et al.
patent: 3976578 (1976-08-01), Beane
patent: 4288321 (1981-09-01), Beane
Nitkin William
Taylor Dennis L.
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