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11. 发明申请

WO2006127333A3 PROCESS CONTROL SYSTEM AND A MOLD ASSEMBLY FOR EXPANDABLE PLASTIC CONTAINERS 审中-公开
标题翻译：过程控制系统和可扩展塑料容器的模具组件
公开(公告)号：WO2006127333A3
公开(公告)日：2009-04-23
申请号：PCT/US2006018952
申请日：2006-05-17
申请人： NOVA CHEM INC , WILLIAMS MICHAEL T , PIISPANEN DENNIS H
发明人： WILLIAMS MICHAEL T , PIISPANEN DENNIS H
IPC分类号： B29C44/60
CPC分类号： B29C44/60 , B29C44/58
摘要： A mold assembly for forming a container made of expandable hermoplastic particles, e.g. expandable polystyrene particles, comprises an inner mold and an outer mold, which when assembled form a mold cavity for receiving the thermoplastic particles. Steam and cooling fluid are supplied to passageways in the inner mold and outer mold. Temperature sensing devices, e.g. thermocouples, permanently mounted to the inside wall of the inner mold and to the outside wall of the outer mold, detect the temperature of the mold assembly. Pressure transducers in communication with the steam and cooling fluid being supplied into the passageways detect the pressure of the steam and water supplied to the passageways. These devices are continuously operative throughout the supply of steam and cooling fluid in the molding cycle to adjust the pressure and/or cycle time of the steam and to adjust the cycle time of the cooling fluid to optimally fuse together and cool the particles in the mold assembly.
摘要翻译：一种用于形成容器的模具组件，所述容器由可膨胀的流动性塑料颗粒制成。可发性聚苯乙烯颗粒包括内模和外模，当组装形成用于接收热塑性颗粒的模腔时。蒸汽和冷却流体供应到内模和外模中的通道。温度感测装置，例如永久地安装到内模的内壁和外模的外壁上的热电偶检测模组件的温度。与供应到通道中的蒸汽和冷却流体连通的压力传感器检测供应到通道的蒸汽和水的压力。这些装置在模制循环中在整个蒸汽和冷却流体的供应中连续运行，以调节蒸汽的压力和/或循环时间，并且调节冷却流体的循环时间以最佳地熔合在一起并冷却模具中的颗粒部件。

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