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2 450 885

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IPC

B22C1/00(2006-01-01)

B22C3/00(2006-01-01)

(21) (22)

Application

2011114864/02, 2011-04-12

(24)

Start date

2011-04-12

(22)

Actual filing date

2011-04-12

(45)

Published

2012-05-20

(72)

Inventor

Baranov Vasilij ViktorovichDruzhevskij Mikhail AleksandrovichKonstantinov Jurij DmitrievichMurav'Ev Jurij NikolaevichSharapov Valerij AleksandrovichRonzhin Igor' Gennad'Evich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

FACING MATERIAL FOR MOULDS AND CORES Russian patent published in 2012 - IPC B22C1/00 B22C3/00

Abstract RU 2450885 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy. Proposed composition contains the following substances, in wt %: chromite sand - 55-65 and disthene-sillimanite - 45-35 with mean grain size making 0.3-0.65 of mean grain size of chromite sand.

EFFECT: higher temperature of facing sintering, decreased roughness, increased heat conductivity.

6 tbl

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RU 2 450 885 C1

Authors

Baranov Vasilij Viktorovich

Druzhevskij Mikhail Aleksandrovich

Konstantinov Jurij Dmitrievich

Murav'Ev Jurij Nikolaevich

Sharapov Valerij Aleksandrovich

Ronzhin Igor' Gennad'Evich

Dates

2012-05-20—Published

2011-04-12—Filed