MOLD DEVICE FOR INJECTION MOLDING

摘要

PROBLEM TO BE SOLVED: To obtain a mold device for injection molding which can mold even a large-diameter difference molding member having an undercut part. SOLUTION: A pinch angleθmade by two slide surfaces 10b contacting a center core 1 with the slide surface 10a of the guide means of the first slide core 2 pinched is set up within a range of 120-180 degrees.