Dispensing – With discharge assistant – With discharge volume varying means
Patent
1981-08-27
1984-01-31
Rolla, Joseph J.
Dispensing
With discharge assistant
With discharge volume varying means
222481, 13762511, 13762418, B65D 8854
Patent
active
044285116
ABSTRACT:
A fluid handling device of the rotary slot type is characterized by a fluid metering volume disposed in the stator of the device in close proximity to a fluid transfer passage formed in the stator. The metering volume receives a piston movable in a suction and a pumping stroke to draw fluid into the metering volume and to pump fluid therefrom. A rotary seal having the slot formed therein is received by seal rotating actuator such that a portion of a tab formed on the seal is accessible to permit removal of the seal from the rotating actuator.
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E. I. Du Pont de Nemours and Company
Noland Kenneth
Rolla Joseph J.
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