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2 129 932

(13)

C1

(51)

IPC

(21) (22)

Application

98103969/02, 1998-03-02

(22)

Actual filing date

1998-03-02

(45)

Published

1999-05-10

(72)

Inventor

Znamenskij L.G.Kulakov B.A.Krymskij V.V.Smolko V.A.Dubrovin V.K.Erdakov I.N.

(73)

Holder

Cheljabinskij Gosudarstvennyj Tekhnicheskij Universitet

MIX FOR MANUFACTURING CERAMIC MOLDS AND RODS IN PRODUCTION OF NON- FERROUS AND PRECIOUS ALLOYS AND METHOD OF PREPARATION THEREOF Russian patent published in 1999 - IPC

Abstract RU 2129932 C1

FIELD: foundry. SUBSTANCE: invention, in particular, relates to founding art and jewelry products. Mix contains, wt %: calcium carbonate, 10.0-14.0; silica, 50.0-63.0; dustlike sublimates from chamotte production, 3.7- 7.0; alumino-chromo-phosphate binder, 0.003-0.02; and water, the balance. Before mixing, aqueous solution of alumino-chromo-phosphate binder is treated with nanosecond electromagnetic pulses to reduce viscosity of gypsum mixture. EFFECT: increased strength and precision of ceramic molds and rods and thereby improved molding quality. 3 cl, 4 tbl, 2 ex

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RU 2 129 932 C1

Authors

Znamenskij L.G.

Kulakov B.A.

Krymskij V.V.

Smolko V.A.

Dubrovin V.K.

Erdakov I.N.

Dates

1999-05-10—Published

1998-03-02—Filed

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