FLASK UNIT, COPE AND DRAG MOLDING DEVICE, AND MOLDING LINE

摘要

A flask unit for molding a cope and a drag vertically stacked on each other. The flask unit comprises at least two vertically installed connection rods (4), an upper flask slidably fitted to the at least two connection rods and having a sand blow port in its side wall, and a lower flask slidably fitted to the connection rods under the upper flask for matching it with the upper flask and having a sand blow port in its side wall.