专利名称：Dispenser for flowable material发明人：Ezra Dale Hartley申请号：US05/610746申请日：19750905公开号：US03979023A公开日：19760907
摘要：A dispenser for flowable material comprising a pump, a dispensing headcoupled to the outlet of the pump, a control valve for controlling pump operation, and amanually operable valve carried by the dispensing head for controlling the control valve.The pump includes a rolling diaphragm which is moved on the discharge stroke by fluidunder pressure supplied from the control valve and is moved on the intake stroke by aspring. None of the controls for the dispenser are electrical.
申请人：HARTLEY; EZRA DALE
代理人：Gordon L. Peterson
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