| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold device, along with an injection molding apparatus and an injection molding method, which can satisfactorily form a preform having a bottom thicker than a body.SOLUTION: A mold device comprises a neck mold 32, an injection cavity mold 33, and an injection core mold 34 having an inside core mold 37 and an outside core mold 38, and further comprises a regulation means, such as an urging member 41, for regulating the movement of the inside core mold 37 toward the outside of the injection cavity mold 33. |
