| 摘要 |
PURPOSE:To provide the titled apparatus that can perform blow molding and at the same time drawing while the molded item is being stretched, by allowing an air sealing apparatus to be in contact with the inside of the stretched and blow molded item adjacent to the terminal of a molding linear section of a crawler type mold thereby keeping the gas pressure of blow molding. CONSTITUTION:While a plpelike item is in a state suitable to be stretched, it is introduced from a pipelike item discharging nozzle 6 into the molding linear section that constitutes outer molds formed by the engagement of mold pieces 22a of the crawler type mold and also is moving. The gas sealing apparatus 11 is attached to the lower end of a suspending cable 30 and is allowed to be in contact with the inside of the stretched and blow molded item 1a thereby keeping the gas pressure of blow molding. |
