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2 251 254

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IPC

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Application

2004106291/12, 2004-03-03

(24)

Start date

2004-03-03

(22)

Actual filing date

2004-03-03

(45)

Published

2005-05-10

(72)

Inventor

Grigorov M.S.Abezin V.G.Karpunin V.V.Saldaev A.M.

(73)

Holder

Povolzhskij Nauchno-Issledovatel'Skij Institut Ehkologo-Meliorativnykh Tekhnologij

INJECTOR FOR SUBSOIL MOISTENING Russian patent published in 2005 - IPC

Abstract RU 2251254 C1

FIELD: agricultural amelioration, in particular, subsurface irrigation equipment.

SUBSTANCE: injector has detachable casing with water feeding channel. Casing cavity is equipped with helical groove having conical openings on casing surface. Openings are hydraulically communicated with helical groove. Diameter of each of said openings joined with helical groove is smaller than that of outer surface of casing.

EFFECT: improved uniformity in distributing of precipitation in root layer of soil during the entire irrigation season.

2 cl, 3 dwg

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RU 2 251 254 C1

Authors

Grigorov M.S.

Abezin V.G.

Karpunin V.V.

Saldaev A.M.

Dates

2005-05-10—Published

2004-03-03—Filed