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2 169 777

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IPC

(21) (22)

Application

99115390/02, 1999-07-13

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Start date

1999-07-13

(22)

Actual filing date

1999-07-13

(45)

Published

2001-06-27

(72)

Inventor

Ivanov A.A.Avdeev V.A.Ivanov Ju.A.Ivanova L.I.Maksimov G.P.Marchenko A.V.Novikova V.P.Rogalev L.N.Sedinkin V.I.Takhautdinov R.S.Terent'Ev V.L.Farafonov Ju.M.Fedulov Ju.V.

(73)

Holder

Oao

CHARGING APPARATUS OF BLAST FURNACE Russian patent published in 2001 - IPC

Abstract RU 2169777 C2

FIELD: metallurgy, namely equipment for charging blast furnaces. SUBSTANCE: charging apparatus of blast furnace includes retractable frame rested upon support mounted separately from furnace. Damper in the form of jaw lock is placed with gap relative to upper gas valve of accumulating hopper arranged under intermediate hopper. Apparatus is provided with sealed flexible cover having two mutually joined U-shaped or arc-shaped portions embracing damper with possibility for closing gap. EFFECT: simplified mounting-demounting processes of separate units of apparatus with reliable sealing of them. 3 dwg

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RU 2 169 777 C2

Authors

Ivanov A.A.

Avdeev V.A.

Ivanov Ju.A.

Ivanova L.I.

Maksimov G.P.

Marchenko A.V.

Novikova V.P.

Rogalev L.N.

Sedinkin V.I.

Takhautdinov R.S.

Terent'Ev V.L.

Farafonov Ju.M.

Fedulov Ju.V.

Dates

2001-06-27—Published

1999-07-13—Filed