发明授权
US4014472A Discharge nozzle structure 失效
喷嘴结构

Discharge nozzle structure
摘要:
A nozzle assembly for high-speed filling units which provides a positive closing of the nozzle by spring action to prevent dripping, and in which the spring-loaded closure member is opened by the force of the product under pressure during the discharge cycle of the filling pump.
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