Being the continuous casting rolling mill of the aluminum alloy board which has

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing apparatus of aluminum alloy sheet for a lithographic printing plate which can prevent occurrence of problems in a continuously cast plate due to the causes other than involvement of agglomerated particles of TiB₂ which move near the bottom zone of molten metal.;SOLUTION: The apparatus for continuously casting and rolling an aluminum alloy sheet includes at least a molten metal feeding nozzle having a molten metal channel inside, a pair of cooling rollers to which the molten aluminum alloy is supplied from the molten metal feeding nozzle, and a container to supply molten aluminum alloy to the molten metal feeding nozzle. The apparatus for continuously casting and rolling the aluminum alloy sheet is characterized in that a means for trapping foreign matter which exists in the surface layer of the molten aluminum alloy is provided in the upper stream of the molten metal feeding nozzle.;COPYRIGHT: (C)2010,JPO&INPIT