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2 117 548

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IPC

(21) (22)

Application

98103587/02, 1998-02-27

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Actual filing date

1998-02-27

(45)

Published

1998-08-20

(72)

Inventor

Mirzojan G.S.Gimaletdinov R.Kh.Kop'Ev A.V.Semenov P.V.Tinjakov V.G.Kapustina L.S.Pavlov S.P.Tsybrov S.V.Burkov V.L.Nosarev V.N.Mirzojan A.G.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Prokatnykh Valkov"Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Tsniitmashmetall"

METHOD OF CENTRIFUGAL CASTING OF BIMETAL CAST IRON BLANKS Russian patent published in 1998 - IPC

Abstract RU 2117548 C1

FIELD: foundry. SUBSTANCE: applied to internal surface of ingot mold is heat-insulating layer whose thickness equals 3.0-7.0% of thickness of metal exterior layer. Metal of exterior layer is poured into mold rotating round its horizontal axis. Beginning from 10-15% of time from beginning of casting and ending 10-15% of time before casting ending; introduced into metal stream is flux in the amount equalling 1.5-2.5% of weight of cast iron of exterior layer. EFFECT: reduced reject caused by cracks, nonfusing or washing out of blank layers. 1 tbl

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RU 2 117 548 C1

Authors

Mirzojan G.S.

Gimaletdinov R.Kh.

Kop'Ev A.V.

Semenov P.V.

Tinjakov V.G.

Kapustina L.S.

Pavlov S.P.

Tsybrov S.V.

Burkov V.L.

Nosarev V.N.

Mirzojan A.G.

Dates

1998-08-20—Published

1998-02-27—Filed