发明名称 Demolding method and equipment
摘要 A demolding method and equipment to reduce dents produced in an as-cast product. The method includes the steps of placing a tight-flask cope on a tight-flask drag for mating, such that a gate for the tight-flask cope and drag faces upward; reversing the tight-flask cope and drag after they are poured with molten metal such that the gate faces downward; and drawing a cope, a drag, and an as-cast product from the reversed tight-flask cope and drag, with the gate facing downward, from above to below.
申请公布号 US7905270(B2) 申请公布日期 2011.03.15
申请号 US20050793801 申请日期 2005.12.15
申请人 SINTOKOGIO, LTD. 发明人 KAWAI NOBUYUKI
分类号 B22D29/00 主分类号 B22D29/00
代理机构 代理人
主权项
地址