LOCKING DEVICE Russian patent published in 2009 - IPC B22D41/18

Abstract RU 2374035 C2

FIELD: metallurgy.

SUBSTANCE: invention refers to metallurgy field, particularly to tundishes. Locking device allows counterbore, at least one gas channel length of which exceed distance restricted by straight line between its ends. Cross-section area of channel is less than middle area of counterbore. Gas channel can be implemented in the form of spiral or meander.

EFFECT: due to creation of excessive pressure inside the locking opening it is prevented formation of vacuum in point of locking device and it is provided stability of pouring.

11 cl, 3 dwg, 4 ex

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RU 2 374 035 C2

Authors

Li Stiven

Praudfut Ajan

Dates

2009-11-27—Published

2006-06-16—Filed