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2 206 670

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IPC

(21) (22)

Application

2001113018/03, 2001-05-16

(24)

Start date

2001-05-16

(22)

Actual filing date

2001-05-16

(45)

Published

2003-06-20

(72)

Inventor

Bass V.N.Bedretdinov G.Kh.Gubin V.K.Kizjaev B.M.Levchikov A.A.Polad-Zade R.P.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Gidrotekhniki I Melioratsii Im. A.N. Kostjakova

NARROW-DITCH DRAIN-TUBE LAYER Russian patent published in 2003 - IPC

Abstract RU 2206670 C2

FIELD: agriculture. SUBSTANCE: invention can be used for making deep drains on water saturated soils, mainly on irrigated lands. Proposed narrow-ditch0tybe layer includes base machine, active working member, drain tube tray, hopper with duct formed by two cross and two longitudinal vertical walls. Hopper is provided with front cutting part. Cross vertical walls of duct are made extensible, and longitudinal vertical walls are mated with front cutting part for bending in vertical plane by means of several eccentric-spring pairs installed between vertical longitudinal walls of duct. EFFECT: provision of reliable operation of drain-tube layer. 5 dwg

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RU 2 206 670 C2

Authors

Bass V.N.

Bedretdinov G.Kh.

Gubin V.K.

Kizjaev B.M.

Levchikov A.A.

Polad-Zade R.P.

Dates

2003-06-20—Published

2001-05-16—Filed