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Application

2001114730/02, 2001-05-28

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Start date

2001-05-28

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Actual filing date

2001-05-28

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Published

2002-12-10

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Inventor

Grachev V.A.Kirin E.M.Krest'Janov V.I.Shchetinin L.V.Mkrtchjan S.R.Ignatov V.D.Kalinin Ju.K.

(73)

Holder

Penzenskij Gosudarstvennyj Universitet

CUPOLA WELL Russian patent published in 2002 - IPC

Abstract RU 2194230 C1

FIELD: foundry, design of blast cupola in particular. SUBSTANCE: cupola well includes several layers of burnt sand, moulding sand and silica sand is additionally lined with metallurgically active layer comprising mixture of crushed natural shungite with content of carbon 30-40% and silicon oxide 60-70%, electrode chips and boric acid with following content of components, mas.%: shungite, 80.0-90.0; electrode chips, 10.0-20.0; boric acid, 1.5-2.0, up to 100%. EFFECT: metal deoxidation, carbonizing and siliconizing. 2 dwg, 1 tbl

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RU 2 194 230 C1

Authors

Grachev V.A.

Kirin E.M.

Krest'Janov V.I.

Shchetinin L.V.

Mkrtchjan S.R.

Ignatov V.D.

Kalinin Ju.K.

Dates

2002-12-10—Published

2001-05-28—Filed

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