| 摘要 |
PURPOSE: To curtail a production time and to reduce the consumption of blow gas, cooling gas, or reaction gas by agitating gas forcibly during molding in a method for blow-molding a hollow body from a thermoplastic material. CONSTITUTION: In order to produce a hollow body by blow molding, a blowing mold capable of the interaction with one blowing nozzle 1 is provided. The nozzle 1 is equipped with a mechanical means which can forcibly agitate gas injected into the mold. The mechanical means is preferably a fan 5 fitted at the end of the nozzle 1 and introduced into the hollow body when it is molded. Since it is necessary to introduce the fan 5 into the mold through the blowing orifice of the mold, the fan 5 is adjusted dimensionally. |
