Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Patent
1989-03-03
1990-07-24
Taylor, Dennis L.
Hydraulic and earth engineering
Drainage or irrigation
Porous or apertured pipe, flume, or tileway
405 38, 405 43, 521695, 5216914, 210170, E02B 1100, E02D 1900, E02D 3102
Patent
active
049431854
ABSTRACT:
A combination drainage and waterproofing system for subterranean walls includes panels which have drain passages on the side thereof adjacent the soil. The front surface of each panel screens against soil entering the passages and the opposite surface of each panel is waterproof and is disposed in waterproof engagement with the waterproof surfaces of adjacent panels. A variety of panel constructions are disclosed. Several modes for providing the screening surfaces and the waterproof surfaces are also disclosed.
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Bradfield Dean L.
Foltz Raymond A.
Heidt H. James
McGuckin James P.
Ricci John A.
Shapiro M. David
Taylor Dennis L.
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