| 摘要 |
PROBLEM TO BE SOLVED: To provide a die for laminated injection molding featuring such advantages that the use efficiency of molding material is high, restrictions on the shape of a finished product are fewer, the two-layered wall thickness of a rising surface is stable, and the availability of a low cost molded object with an improved appearance of a finished product obtained by covering the outer edge of a first layer as a base material layer with a second layer, and to provide a laminated injection molding method. SOLUTION: This die for laminated injection molding is composed of: one finished product core die and a plurality of finished product cavity dies for different shapes of the finished products, The finished product cavity die is equipped with a rotating means and so arranged as to change the combination of the finished product core die and the finished product cavity die. The finished product core die includes a plurality of injection units which inject a different type of molten resin, and a plurality of resin flow paths which make the finished product core die communicate with a cavity formed by the finished product cavity die. Thus the die is used for laminated injection molding in order to obtain the molded object by laminating the secondary moldings on the entire surface or a specified part of the primary moldings by a secondary molding process after the primary molding process. The die is of such a construction that when performing the secondary molding process, the outer edge of the primary molding can be rolled in by the secondary molding. COPYRIGHT: (C)2011,JPO&INPIT |
