INJECTION MOLD AND INJECTION MOLDING METHOD

摘要

PROBLEM TO BE SOLVED: To mold a confluent part of many multicolor materials into a definite shape simply and inexpensively in an injection mold in composite molding. SOLUTION: The injection mold is used for manufacturing a molded product by injecting at least two kinds of resin materials in a mold to integrate them and equipped with a cavity 102 for molding the molded product, the movable core 30, which has a groove part 30a for molding a protruded shape at the joined part of at least two kinds of resin materials, arranged in the cavity in a state possible to advance and retreat and a mold member having the planar part coming into contact with the end surface to which the groove part of the movable core is formed. COPYRIGHT: (C)2005,JPO&NCIPI