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    • 8. 发明授权
    • Controlling flow from multi-chamber containers
    • 控制多室容器的流量
    • US07617950B2
    • 2009-11-17
    • US10852627
    • 2004-05-24
    • Joseph T. NorrisScott M. WalshChristopher Miller
    • Joseph T. NorrisScott M. WalshChristopher Miller
    • B65D35/24
    • B65D35/242
    • The dispensing of substances from multi-chamber containers, such as tubes, can be controlled by the placement of a flow modifying unit in the dispensing nozzle of the container. The dispensing nozzle will have a plurality of channels, usually one for each chamber. The flow controlling unit is a constriction at an intermediate point, a point between the channel inlet and exit, in at least one of the channels. This constriction is sized to adjust flow so that the viscous substance from each chamber is dispensed at a set flow rate and in a set ratio, one to the other. The constriction is formed at the time that the nozzle is formed. In the compression molding process a mold pin is used, the mold pin meeting a mold base at an intermediate point in at least one channel. The mold pin and or mold base has a recess that is the size and shape of the flow modifying constriction. Plastic is injected into the mold and the flow modifying unit is formed at the same time as the nozzle.
    • 可以通过在容器的分配喷嘴中放置流动修改单元来控制来自多室容器(例如管)的物质的分配。 分配喷嘴将具有多个通道,通常每个通道一个用于每个室。 流量控制单元是在至少一个通道中的中间点(通道入口和出口之间的点)处的收缩。 该收缩的大小适于调整流动,使得来自每个室的粘性物质以设定的流量和设定的比例彼此分配。 在形成喷嘴时形成收缩。 在压缩模制过程中,使用模具销,模具销在至少一个通道中的中间点处会合模座。 模具销和模具底座具有作为流动修正收缩部的尺寸和形状的凹部。 将塑料注射到模具中,并且在喷嘴的同时形成流动修改单元。