发明名称 METHOD OF MANUFACTURING MOLDED ARTICLE
摘要 PROBLEM TO BE SOLVED: To manufacture a thin plate-like molded article with high yield.SOLUTION: A plate-like molded article 1 is formed by injecting a material to a rectangular parallelepiped cavity 5 in a mold from a gate 5 directly connected to the cavity 6. The gate 6 has a volume larger than the volume of the cavity 5, and has a cross sectional area gradually decreasing part 11 in which the area in a cross section intersecting the injection direction of the material is continuously decreased as approaching the cavity 5. The cross sectional area gradually decreasing part 11 is directly connected to the cavity 5.
申请公布号 JP2013180472(A) 申请公布日期 2013.09.12
申请号 JP20120045214 申请日期 2012.03.01
申请人 NEC CASIO MOBILE COMMUNICATIONS LTD 发明人
分类号 B29C45/16;B29C45/27 主分类号 B29C45/16
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