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2 026 367

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Application

93008585/02, 1993-02-15

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Actual filing date

1993-02-15

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Published

1995-01-09

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Inventor

Roldugin G.N.Rjabov V.V.Safonov I.V.Savvateev Ju.G.Karpov N.D.Ermolaeva E.I.Melomut I.A.Klimov B.P.Dezhemesov A.A.Zhilin A.N.Golubev O.N.

(73)

Holder

Novolipetskij Metallurgicheskij Kombinat Im.Ju.V.Andropova

METHOD OF INJECTION OF INERT GAS INTO METAL JET THROUGH POROUS REFRACTORY INSERT AT VACUUM TREATMENT Russian patent published in 1995 - IPC

Abstract RU 2026367 C1

FIELD: ferrous metallurgy. SUBSTANCE: inert gas is injected through a slide gate into a metal jet flowing through the steel-pouring duct by means of an annular porous refractory insert. Insert porosity is within 20 to 40%, mean radius of through pores is within 0.03 to 0.05 mm. Inert gas flow rate is within 0,05-0,08 nm3/t of steel. EFFECT: facilitated procedure. 3 dwg, 1 tbl

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RU 2 026 367 C1

Authors

Roldugin G.N.

Rjabov V.V.

Safonov I.V.

Savvateev Ju.G.

Karpov N.D.

Ermolaeva E.I.

Melomut I.A.

Klimov B.P.

Dezhemesov A.A.

Zhilin A.N.

Golubev O.N.

Dates

1995-01-09—Published

1993-02-15—Filed

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