Title:
LIQUID DISPENSING PUMP
Document Type and Number:
WIPO Patent Application WO1991000219
Kind Code:
A1
Abstract:
A pump specially designed for the accurate repeatable dispensing of small to medium quantities of liquid. The liquid dispensing pump includes a pump body having an axially oriented, valve spool receiving internal chamber, a generally cylindrical valve spool shiftably received within the chamber, and a piston barrel detachably coupled to the body and oriented transversely to the axis of the valve spool. The specially designed nozzle provides for introduction of pressurized air into the stream of dispensed fluid to forceably separate the dispensed fluid from the nozzle.
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Inventors:
ERDMAN RODNEY V (US)
GROSS PAUL TIMOTHY (US)
MALLAK GARY JAMES (US)
GROSS PAUL TIMOTHY (US)
MALLAK GARY JAMES (US)
Application Number:
PCT/US1990/003565
Publication Date:
January 10, 1991
Filing Date:
June 22, 1990
Export Citation:
Assignee:
PROGRESSIVE ASSEMBLY MACHINE C (US)
International Classes:
F04B7/02; G01F11/02; (IPC1-7): G01F11/44
Foreign References:
| US4006847A | 1977-02-08 | |||
| US4036434A | 1977-07-19 | |||
| US4055281A | 1977-10-25 | |||
| US4380308A | 1983-04-19 |
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