Patent ID: 6984357
Filing Date: 2006-01-10
Classification: C23C

Abstract:
1. A molten metal holding apparatus for the continuous hot dip coating of a metal strip, comprising: a main vessel that is substantially rectangular in cross section having long sides and short sides and has formed a slot-shaped opening in a bottom surface, the vessel containing molten metal; subsidiary vessels formed in a bucket-shape following an outer circumference of an upper end of the main vessel and for temporarily storing molten metal that overflows from the upper end of the main vessel; chambers formed outwardly following long sides of a lower end of the main vessel and that communicate with the main vessel via slit-shaped branch openings that are formed at a predetermined slant toward the main vessel; a plurality of subsidiary tubes communicating the chambers with the subsidiary vessels; and alternating current electromagnets including a core mounted adjacent to outside side surfaces of the main vessel and between the subsidiary vessels and the chambers and a coil wound around the core and to which an alternating current is supplied.