Liquid dispensing device

Details Liquid dispensing device Liquid dispensing device

1979-06-25

1981-12-22

Bartuska, F. J.

Dispensing

With discharge assistant

With discharge volume varying means

222383, G01F 1106

Patent

active

043066704

ABSTRACT:
A liquid dispensing device including a vertically mounted cylinder, a plunger slidably disposed in the cylinder, a cylindrical space having the inner diameter slightly larger than that of the cylinder being disposed contiguous to the lower end of the cylinder and coaxially therewith to receive the lower end portion of the plunger when the plunger is at the lowermost position a discharge passage communicating with the upper end of the cylindrical space, and a suction passage communicating with the lower end of the cylindrical space.

REFERENCES:
patent: 2639063 (1953-05-01), Yuza
patent: 3283727 (1966-11-01), Rodrigues
patent: 3574334 (1971-04-01), Roach
patent: 3729022 (1973-04-01), Roach
patent: 3940027 (1976-02-01), Marterer
patent: 4072247 (1978-02-01), Yamazaki

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