Dispensing – Processes of dispensing
Patent
1996-01-29
1997-12-23
Huson, Gregory L.
Dispensing
Processes of dispensing
222 61, 2223865, B67B 700
Patent
active
056999348
ABSTRACT:
A dispenser includes a viscous fluid feed cavity and dispense cavity with an intermediate passageway therebetween and a diaphragm mounted for reciprocatory movement so positioned that during the dispensing process, the movable diaphragm is moved between a first position wherein the passageway is opened, a second position to close the passageway, and a third position to affect viscous fluid dispensing through an outlet coupled to the dispensing cavity. A diaphragm position sensor is provided for determining the relative position of the movable portion of the diaphragm, the sensor being functionally coupled to the diaphragm actuator, such that the diaphragm actuator is controllable in accordance with the relative position of the diaphragm to insure accurate control of micro quantities of viscous fluid dispensed from the dispenser.
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Gieskes Koenraad A.
Janisiewicz Stanley W.
Kolcun Joseph F.
Huson Gregory L.
Universal Instruments Corporation
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