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专利名称：Injection-molded product, mold for injection
molding, and injection molding method
发明人：Yasushi Mizuta,Takashi Arai,Shuji Inoue申请号：US10653927申请日：20030904
公开号：US20040048056A1公开日：20040311
专利附图：
摘要：This invention aims at preventing a peeling phenomenon occurring on thesurface of a foamed product. In order to achieve this object, an injection-molded productformed in accordance with injection molding by mixing a foaming agent in a molding resin
material, is formed by molding using a mold having a heat insulating material on a surfaceof its cavity forward in a moving direction of a portion where the molding resin materialmolten and injected for forming the molded product has an injection speed of at least 1.5m/sec to 2,000 m/sec in the cavity of the mold.
申请人：CANON KABUSHIKI KAIHSA
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