CASTING MOLD FOR PRODUCING ANNULAR INGOTS Russian patent published in 1998 - IPC

Abstract RU 2108200 C1

FIELD: metallurgy, in particular, manufacture of products, such as street car wheel bands. SUBSTANCE: casting mold has sand core defining ingot inner cavity. Feeder in core is formed as annular cavity having height of 1/2-1/5h, where h is ingot height, mm. EFFECT: increased efficiency, improved quality of ingots by uniform supply of metal into casting mold and due to directed crystallization, improved strength of permanent casting molds and enhanced reliability in operation. 1 dwg

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RU 2 108 200 C1

Authors

Akulov Sergej Nikolaevich

Karanik Jurij Appolinar'Evich

Shchurov Nikolaj Ivanovich

Dates

1998-04-10—Published

1997-02-26—Filed