MOULDING SAND FOR OBTAINING CASTINGS Russian patent published in 1995 - IPC

Abstract RU 2032487 C1

FIELD: founding industry. SUBSTANCE: moulding sand has wt.-%: milled chamotte 64.4-87.4; ashes 4.6-27.6; technical lignosulfonates - the rest. The ashes has the molting point 1250-1350 C and is close to the refractory filler. Ceramic strengthening of the mould is exercised at the expense of melting the ashes during casting the mould with metal. EFFECT: enhanced strength characteristics of the moulding sand at the temperature of the cast metal. 2 tbl

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RU 2 032 487 C1

Authors

Kurganov Viktor Aleksandrovich[Ua]

Stepanenko Aleksandr Vasil'Evich[Ua]

Semik Arkadij Pavlovich[Ua]

Artem'Ev Vladimir Vladimirovich[Ua]

Klimov Jurij Vasil'Evich[Ua]

Cherkaev Evgenij Nikolaevich[Ua]

Dudnik Valerij Viktorovich[Ua]

Morozov Vladimir Borisovich[Ua]

Zozulja Jurij Jur'Evich[Ua]

Judin Mikhail Mikhajlovich[Ua]

Netreba Valentin Nikolaevich[Ua]

Dronov Leonid Nazarovich[Ua]

Chilij Mikhail Nazarovich[Ua]

Dadonov Mikhail Kirillovich[Ua]

Dates

1995-04-10Published

1992-07-14Filed