发明名称 SANDWICH MOLDED ARTICLE AND METHOD FOR PRODUCING IT
摘要 PROBLEM TO BE SOLVED: To provide a sandwich molded article wherein a core material is not exposed on the surface and the quality of appearance can be prevented from being lowered and a method for producing it. SOLUTION: In an apparatus 11 for injection molding of the sandwich molded article, after injection of a skin material 16 and a core material 14 is completed, a screw 24 of a core material feeding part 15 is retreated. Then, the core material 14 is drawn into a core material flow path 21 from a nozzle 19 and a skin material flow path 22. As the result, it is possible to prevent a core layer with a different color from a skin layer from being exposed on the surface of the sandwich molded article obtained.
申请公布号 JP2001260173(A) 申请公布日期 2001.09.25
申请号 JP20000078297 申请日期 2000.03.21
申请人 GIFU PLAST IND CO LTD 发明人 ENDO MASUO
分类号 B29C45/16;B29C45/13;(IPC1-7):B29C45/16 主分类号 B29C45/16
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