| 摘要 |
PROBLEM TO BE SOLVED: To provide a blow molding apparatus capable of effectively cooling a conveyor member without giving an influence to another work. SOLUTION: A blow molding apparatus 10 blow-molds a preform 24 after heating it at a temperature not lower than a blow-molding temperature. There are arranged in the blow-molding apparatus 10 a plurality of conveyor members 32 holding and conveying the preform 24, a preform supply portion 16 having an endless conveyor portion 22 circularly conveying conveyor members 32 and conveying the preform 24 along the conveyor portion 22 to the conveyor members 32, a heating portion 16 heating the preform at a temperature of not lower than a blow molding temperature, a blow-molding portion 18 blow- molding the preform heated by the heating portion 16 into a shape of a product and a take-out portion 20 taking out a blow-molded product in this order wherein a cooling portion 60 is arranged at the conveyor portion 22 to blow air to the conveyor members 32 for cooling them. |
