发明名称 EJECTOR PIN AND MOLDING MACHINE HAVING EJECTOR PIN
摘要 PROBLEM TO BE SOLVED: To provide an ejector pin which can hold a molding released from a mold without spoiling its appearance and a molding machine. SOLUTION: The ejector pin 1 for the molding machine for molding foamed resin beads has a pin body 10 for ejecting the molding by its front edge surface 20. Ventilation parts having widths or diameters smaller than the particle sizes of the foamed resin beads are formed in the front edge surface 20, communicate with through holes 31 passing through the pin body 10, and are channels 22, 23, and 24 formed in the front edge surface 20, slits 60 or holes 65 opened in a fitting member 6 fitted in the front edge surface 20. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008230087(A) 申请公布日期 2008.10.02
申请号 JP20070074048 申请日期 2007.03.22
申请人 SEKISUI PLASTICS CO LTD 发明人 KOBAYASHI HIDEKAZU;MORI KOJI
分类号 B29C44/00;B29C33/44;B29K105/04 主分类号 B29C44/00
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