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2 037 366

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C1

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IPC

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Application

93038317/02, 1993-07-26

(22)

Actual filing date

1993-07-26

(45)

Published

1995-06-19

(72)

Inventor

Umanets V.I.Lebedev V.I.Kopylov A.F.Safonov I.V.Shatokhin V.E.Pestov V.N.Urazaev R.A.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF FLOW TYPE VACUUMIZING OF METAL UPON CONTINUOUS CASTING PROCESS Russian patent published in 1995 - IPC

Abstract RU 2037366 C1

FIELD: casting production. SUBSTANCE: method comprises steps of feeding metal, being cast, from a casting ladle into a vacuum chamber, providing a final pressure in that chamber, treating the metal in the vacuum chamber, feeding the metal into an intermediate ladle through a branch pipe and further into molds, drawing ingots from them; upon flow type vacuumizing periodically increasing a level of the metal in the intermediate ladle by a value, consisting (0.4-0.6) of an initial depth of the branch pipe immersion under the metal surface in the intermediate ladle, increasing the metal level in time periods, equal to (0.1-0.9) of time period of casting of the casting ladle. EFFECT: enhanced efficiency. 1 cl, 1 tbl

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RU 2 037 366 C1

Authors

Umanets V.I.

Lebedev V.I.

Kopylov A.F.

Safonov I.V.

Shatokhin V.E.

Pestov V.N.

Urazaev R.A.

Dates

1995-06-19—Published

1993-07-26—Filed

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