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2 148 656

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IPC

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Application

98122561/02, 1998-12-08

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Start date

1998-12-08

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Actual filing date

1998-12-08

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Published

2000-05-10

(72)

Inventor

Kukartsev V.M.Zakharov D.V.Filjashin M.K.Khrebin V.N.Sukhanov Ju.F.Jaroshenko A.V.Smol'Janinov V.I.Lebedev V.I.

(73)

Holder

Ao Metallurgicheskij Kombinat"

STOPPER FOR CUTTING OFF SLAG IN CONVERTER Russian patent published in 2000 - IPC

Abstract RU 2148656 C1

FIELD: metallurgy, namely devices for slag cutting off at discharging metal from converter. SUBSTANCE: stopper includes metallic core, refractory facing and suspension. Stopper is in the form of drop with ratio of its maximum diameter to height 0.6-1.0. Gravity center of metallic core is shifted from gravity center of lengthwise section of stopper to side of its narrow portion by value consisting 0.04-0.2 of stopper height. Shape of metallic core is similar to shape of narrow portion of stopper. Apex angle of narrow portion of stopper is equal to 60-120 degrees. Thickness of refractory facing on lateral surface of narrow portion of metallic core consists 0.1-0.2 of maximum diameter of stopper. EFFECT: enhanced efficiency of slag cutting off. 1 cl, 1 dwg, 1 tbl, 6 ex

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RU 2 148 656 C1

Authors

Kukartsev V.M.

Zakharov D.V.

Filjashin M.K.

Khrebin V.N.

Sukhanov Ju.F.

Jaroshenko A.V.

Smol'Janinov V.I.

Lebedev V.I.

Dates

2000-05-10—Published

1998-12-08—Filed