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IPC

(21) (22)

Application

2004104585/02, 2004-02-16

(24)

Start date

2004-02-16

(22)

Actual filing date

2004-02-16

(45)

Published

2005-05-20

(72)

Inventor

Dubrovin V.K.Kulakov B.A.Karpinskij A.V.Znamenskij L.G.Erdakov I.N.Ivochkina O.V.

(73)

Holder

Juzhno-Ural'Skij Gosudarstvennyj Universitet

POURING SELF-SETTING MOLDING SAND FOR MAKING MOLDS AND CORES AT PRODUCING CASTINGS WITH USE OF INVESTMENT PATTERNS Russian patent published in 2005 - IPC

Abstract RU 2252103 C1

FIELD: manufacture of decorative, jewelry, technical designation castings of ferrous and non-ferrous metals by casting with use of investment patterns.

SUBSTANCE: sand contains Portland cement as binder, finely divided quartz sand as filler and aluminum nitrate including 9H₂O as additive for enhancing rheological and technological properties, water for mixing components. Sand contains ingredients taken at next relation, mass %: Portland cement, 12.72 -17.90; quartz sand, 53 - 58.80; aluminum nitrate, 1.79 - 3.18; water, the balance.

EFFECT: enhanced quality of castings.

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RU 2 252 103 C1

Authors

Dubrovin V.K.

Kulakov B.A.

Karpinskij A.V.

Znamenskij L.G.

Erdakov I.N.

Ivochkina O.V.

Dates

2005-05-20—Published

2004-02-16—Filed