MOLD LINER Russian patent published in 2008 - IPC B22D11/04 

FIELD: metal continuous casting processes and equipment.

SUBSTANCE: liner of mold is made of copper and according to first variant of invention it has rectangular inner and outer cross sections with rounded portions of lengthwise edges. According to second variant of invention liner has polygonal or round inner and outer cross sections. Nominal thickness value of wall consists 8 - 10% of distance between mutually opposite inner surfaces arranged near mouth of tube or of inner diameter near mouth of tube. According to first variant thickness value of rounded portions of lengthwise edges is less than nominal thickness of wall by 10 - 40%. According to second variant wall thickness is lowered along the whole perimeter till value consisting 10 - 40% of wall nominal thickness in height zone of metal heel.

EFFECT: improved cooling conditions of metal cast at high casting speeds.

7 cl, 5 dwg