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1. 发明授权

US06371747B1 Die molding apparatus for resin article 有权
标题翻译：树脂制品用模具成型装置
公开(公告)号：US06371747B1
公开(公告)日：2002-04-16
申请号：US09532947
申请日：2000-03-22
申请人： Yoshinari Niina , Kyotaro Yoshii , Junichi Inoue , Hiroshi Gohara
发明人： Yoshinari Niina , Kyotaro Yoshii , Junichi Inoue , Hiroshi Gohara
IPC分类号： B29C4516
CPC分类号： B29C45/1711 , B29C45/1734 , B29C2045/1718 , B29L2031/3029
摘要： In a die molding apparatus for molding resin articles having a plurality of molds for forming a cavity in communication with an injection gate and a gas charging nozzle capable of charging the inside of the cavity with a gas after the completion of resin injection to form a resin article having a hollow inside, an overflow portion for relieving an excess molten resin and a film gate for communication between the main cavity portion and the overflow portion are formed between a pair of molds forming the other end of the cavity, and the gap between both of molds is set to 1.5 mm or less at the film gate; the gas charging nozzle is situated in the cavity with a gas charging hole being positioned in the cavity; and a hole-sealed hollow cylinder is formed between one of molds and the gas charging nozzle, the hole-sealed hollow cylinder having an inner surface shape defined by the outer surface of the cylindrical small diameter portion and the step and an outer surface shape defined by the inner surface of the insertion hole of the gas charging nozzle provided the cavity.
摘要翻译：在一种用于模塑树脂制品的模具成型设备中，所述模制成型设备具有多个用于形成与喷射门连通的空腔的模具和能够在树脂注射完成之后用气体填充空腔内部的气体充注喷嘴以形成树脂具有中空内部的物品，用于释放多余的熔融树脂的溢流部分和用于在主空腔部分和溢流部分之间连通的膜浇口形成在形成空腔的另一端的一对模具之间，并且两者之间的间隙的模具在薄膜浇口处设定为1.5mm以下。气体填充喷嘴位于空腔中，气体填充孔位于空腔中; 并且在一个模具和充气喷嘴之间形成有孔密封的中空圆筒，该密封中空圆柱体具有由圆筒形小直径部分的外表面限定的内表面形状和台阶以及限定的外表面形状通过气体充填喷嘴的插入孔的内表面设置空腔。

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