E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/32
E02B 11/00 (2006.01) A01G 25/06 (2006.01)
Patent
CA 1089243
APPARATUS FOR WATERING AND DRAINING SOIL ABSTRACT OF THE DISCLOSURE A double-duct conduit for irrigation and draingage comprises an inner small-diameter duct secured eccentrically inside an outer large-diameter duct with the walls of the ducts closely adjacent to one another along their tops. Ports through the wall of the inner duct are spaced above the bottom thereof, to provide a sump in its bottom and are spaced below its top to provide an air chamber above the sump. The outer duct also has level of the bottom of the inner duct but a little above the bottom of the outer duct, providing a shallow sump in the bottom of the outer duct and an air chamber thereabove. During irriga- tion, water falls from the inner duct to the sump in the outer duct, then flows out through the outer ducts ports. For drainage, water rises in the outer duct to the level of the ports in the inner duct, while slime and sediment remain in the sump in the outer duct. - 1 -
309765
Cellsystem Ag
Kirby Eades Gale Baker
LandOfFree
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