ADDITIVE FOR DISSOLUTION OF RODS IN HIDDEN HOLLOWS OF CASTS Russian patent published in 2020 - IPC B22C9/10 B22C1/14 

Abstract RU 2731996 C1

FIELD: foundry.

SUBSTANCE: calcined NaCl salt 0.1–1.6 mm in amount of 10–12 wt% is used as an additive in a rod mixture containing gypsum, which enables dissolution of casting rods in hidden cavities of casts.

EFFECT: providing accelerated dissolution of rods in cavities of casting during its cleaning without deterioration of initial physical and mechanical properties of mixture, as well as high quality of casting due to purity of inner cavities.

1 cl, 1 tbl

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RU 2 731 996 C1

Authors

Izotov Vladimir Anatolevich

Fedulov Vitalij Mikhajlovich

Akutin Aleksej Anatolevich

Roslova Anastasiya Aleksandrovna

Dates

2020-09-09Published

2020-02-03Filed