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2 552 216

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(51)

IPC

B22C1/00(2006-01-01)

(21) (22)

Application

2014112790/02, 2014-04-03

(24)

Start date

2014-04-03

(22)

Actual filing date

2014-04-03

(45)

Published

2015-06-10

(72)

Inventor

Matjushev Igor' IvanovichPlatonov Anatolij ValentinovichVolkov Vladislav NikolaevichBogatyreva Ol'Ga NikolaevnaKuz'Min Boris AndreevichChumakov Vladimir AleksandrovichAksel'Rod Boris MoiseevichMikhajlov Igor' FedorovichPivovarova Alla Petrovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Proizvodstvo"

FILLER FOR CASTING MOULDING SANDS Russian patent published in 2015 - IPC B22C1/00

Abstract RU 2552216 C1

FIELD: metallurgy.

SUBSTANCE: filler contains in wt %: chromite sand 30-70, disthene-sillimanite 70-30. Used chromite sand has round shape. Average grain size of disthene-sillimanite is from 0.83 to 1.25 of average grain size of chromite sand.

EFFECT: reduced burning-in of castings.

5 cl, 11 tbl

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RU 2 552 216 C1

Authors

Matjushev Igor' Ivanovich

Platonov Anatolij Valentinovich

Volkov Vladislav Nikolaevich

Bogatyreva Ol'Ga Nikolaevna

Kuz'Min Boris Andreevich

Chumakov Vladimir Aleksandrovich

Aksel'Rod Boris Moiseevich

Mikhajlov Igor' Fedorovich

Pivovarova Alla Petrovna

Dates

2015-06-10—Published

2014-04-03—Filed