发明名称 Metal mold for injection molding and method of manufacturing injection molded part
摘要 An injection molded article ( 15 ) which has a transfer layer ( 29 ) bonded onto and integrated with a surface thereof and in which a sectional shape of a part of a corner of a top surface of the injection molded article where a radius r of curvature is the smallest satisfies conditions of R<D and 0.1<=rRA/D<=10, or R>=D and 0.2<=rR/D<=30, or 0.01<=RRR<SUB>2</SUB>A/H<=1.0, wherein R is a radius of curvature of the corner of the top surface, D is a distance between the top surface and a reference surface, A is a draft at a parting corner, R<SUB>2 </SUB>is a radius of curvature at the parting corner, and H is a distance between a top surface of a recessed part and the reference surface.
申请公布号 US2005116386(A1) 申请公布日期 2005.06.02
申请号 US20040507631 申请日期 2004.09.14
申请人 NISSHA PRINTING CO., LTD. 发明人 HAMANO KOJI;YAMAMOTO ISAO
分类号 B29C45/14;B29C45/26;B29C51/00;(IPC1-7):B29C45/14 主分类号 B29C45/14
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