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1. 发明申请

WO2006021797A1 IMPROVEMENTS IN METERING VALVES FOR PRESSURISED DISPENSING CONTAINERS 审中-公开
标题翻译：用于加压分配容器的计量阀的改进
公开(公告)号：WO2006021797A1
公开(公告)日：2006-03-02
申请号：PCT/GB2005/003330
申请日：2005-08-26
申请人： BESPAK PLC , TWYMAN, Paul
发明人： TWYMAN, Paul
IPC分类号： B65D83/14
CPC分类号： B65D83/54 , Y10T137/86919
摘要： A metering valve for use with a pressurised dispensing container, the metering valve comprising a valve stem assembly co-axially slidable within an annular metering cumber defined between the valve stem assembly and a substantially cylindrical chamber body, the metering naive further comprising an outer sea1 extending between the valve stem assembly and tome chamber body to seal off an outer duct of the valve stem assembly from the metering chamber when the valve stem assembly is in a non-dispensing position and an inner seal extending between the valve stem assembly and the chamber body. The valve stem assembly comprising a straight, central passage extending from an open inner end of the valve stem assembly to a mid-point of the valve stem assembly located longitudinally within the metering chamber. The valve stem assembly further comprises at least two elongated openings in a wall of the valve stem assembly to allow radially-directed flow between an exterior of the valve stem assembly and the central passage, the elongated openings being located to extend either side of the inner seal when the valve stem assembly is in the non-dispensing position.
摘要翻译：一种用于与加压分配容器一起使用的计量阀，所述计量阀包括阀杆组件，所述阀杆组件可在限定在所述阀杆组件和基本上圆柱形的腔室主体之间的环形计量凹部内同轴滑动，所述计量天真还包括外部海洋1延伸在所述阀杆组件和所述腔室主体之间，当所述阀杆组件处于非分配位置时，从所述计量室密封所述阀杆组件的外部管道，并且在所述阀杆组件和所述室主体之间延伸的内部密封件。阀杆组件包括从阀杆组件的敞开的内端延伸到纵向位于计量腔内的阀杆组件的中点的直的中心通道。阀杆组件还包括在阀杆组件的壁中的至少两个细长的开口，以允许在阀杆组件的外部和中心通道之间的径向流动，细长开口位于内部当阀杆组件处于非分配位置时进行密封。

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