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2 207 909

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IPC

(21) (22)

Application

2001130726/03, 2001-11-15

(24)

Start date

2001-11-15

(22)

Actual filing date

2001-11-15

(45)

Published

2003-07-10

(72)

Inventor

Tsar'Kov V.A.Khoroshev V.A.Judin V.V.Kursinov I.I.Kandinskij S.G.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii"

SPIRAL CLASSIFIER Russian patent published in 2003 - IPC

Abstract RU 2207909 C1

FIELD: classification of materials; concentration of minerals. SUBSTANCE: proposed spiral classifier includes receiving unit made in form of inclined chute with gap screen in bottom portion and funnel with tube for evacuation of the minus material; housing is made in form of inclined trough with overflow lip; housing is provided with sand transportation unit; receiving unit is connected with unloading neck of mill and classifier trough. EFFECT: increased extraction of tantalum. 2 dwg, 1 tbl

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RU 2 207 909 C1

Authors

Tsar'Kov V.A.

Khoroshev V.A.

Judin V.V.

Kursinov I.I.

Kandinskij S.G.

Dates

2003-07-10—Published

2001-11-15—Filed