发明名称 CASTING DEVICE
摘要 PROBLEM TO BE SOLVED: To fully perform a gas releasing function, a function for releasing a mold of a molding article, and a function for preventing clogging of a passage for gas releasing and the like, even when a thin molding article is cast. SOLUTION: This device is equipped with an upper movable die 7 and a lower fixed die 8 for forming a cavity 9, ejector pins 12 protruding to the cavity side in a rising process of the movable die 7, and gas releasing pins 13 which have grooves 16 for forming a gas releasing passage on a periphery and protrude after protrusion of the ejector pins 12. In this case, when a thin molding article is cast, each of the pins 12 and 13 is arranged at an optimum portion, so as to secure a function for releasing gas, a function for releasing a mold of the molding article, and a function for preventing clogging of the gas releasing passage and the like.
申请公布号 JP2000312959(A) 申请公布日期 2000.11.14
申请号 JP19990122304 申请日期 1999.04.28
申请人 NISSAN MOTOR CO LTD 发明人 ITANI YOSHIYUKI
分类号 B22D17/22;B22C9/00;B22C9/06 主分类号 B22D17/22
代理机构 代理人
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