Liquid dispensing device

Details Liquid dispensing device Liquid dispensing device

1982-07-21

1984-08-14

Rolla, Joseph J.

Dispensing

Motor operated outlet element

222559, 251333, B65D 572

Patent

active

044652127

ABSTRACT:
A liquid dispensing device is disclosed in which there is a movable needle valve operable to open and close a valve seat located within the nozzle of the dispensing device. The needle valve is guided by a guide bushing contained within the nozzle bore. A very small radiused semi-spherical end surface on the nozzle has been found to eliminate stringing of viscous liquid materials dispensed from the nozzle, particularly when the end surface is combined with a needle valve which is maintained concentric with the nozzle orifice by the guide bushing contained within the nozzle bore.

REFERENCES:
patent: 1652409 (1927-12-01), Moulthrop
patent: 3952927 (1976-04-01), Schaumburg

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