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2 414 321

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(51)

IPC

B22C1/00(2006-01-01)

(21) (22)

Application

2010105799/02, 2010-02-17

(24)

Start date

2010-02-17

(22)

Actual filing date

2010-02-17

(45)

Published

2011-03-20

(72)

Inventor

Perepelitsyn Vladimir AlekseevichArzamastsev Nikolaj NikolaevichKutalov Viktor Gennad'EvichJumagulov Marat Khabibullovich

(73)

Holder

Ooo Npo

SAND MIX BACKING MATERIAL Russian patent published in 2011 - IPC B22C1/00

Abstract RU 2414321 C1

FIELD: process engineering.

SUBSTANCE: invention relates casting and may be used for production of casting moulds and cores for casting heatproof, stainless, alloy steels and alloys with fusion point exceeding 1500°C. Proposed backing material comprises the following components in wt %: periclase - 30-72, chromite - 22-44, ferrospinel - 3-11 and orthosilicate - 3-15. Preferable ferrospinel-to-orthosilicate ratio makes 0.7-1.0.

EFFECT: reduced metal penetration and mould shedding, lower costs of casting.

4 cl, 2 tbl

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RU 2 414 321 C1

Authors

Perepelitsyn Vladimir Alekseevich

Arzamastsev Nikolaj Nikolaevich

Kutalov Viktor Gennad'Evich

Jumagulov Marat Khabibullovich

Dates

2011-03-20—Published

2010-02-17—Filed