DRAINAGE DEVICE Russian patent published in 2017 - IPC E02B11/00 

FIELD: agriculture.

SUBSTANCE: drainage device includes the drain, connected thereto water intakes installed along the drain length, and a filtering material. Each water intake is designed as a female tubular element covering the drain, perforated on the side surface, with the diameter excessing the drain diameter, coated with the filtering shell fixed with its edges on the drain. The filtering material is placed in the butt parts of the water intake, and the drain within the water intake has a greater number of openings than outside it. The tubular elements made of the packs of recycled metal-cord tires interconnected by lateral flanges and fixed together with the filtering cylindrical shell. Before fixing, the recycled tires are perforated along tread surfaces and edge side flanges of end tires of each water intake.

EFFECT: opportunity to reduce the device cost and to increase the reliability of its operation in structurally unstable soils.

2 dwg