INJECTION MOLDING MACHINE OF PLURALITY OF LAYERS AND INJECTION MOLDING METHOD

摘要

PROBLEM TO BE SOLVED: To certainly cover a core layer resin with a skin layer resin. SOLUTION: A molded product wherein a core layer resin is covered with a skin layer resin is molded by injecting the core layer resin and the skin layer resin into the cavity part formed within a mold from a core layer injection unit and a skin layer injection unit. A passage opening and closing member 22 opening and closing a core layer passage from the core layer injection unit to the cavity part is provided.