Liquid dispensing apparatus

Details Liquid dispensing apparatus Liquid dispensing apparatus

1980-07-30

1982-08-03

Spar, Robert J.

Dispensing

With plural openings or discharge guides

Having flow controllers or closures

222504, 91417R, 251 5, 251 7, B65B 306, F16C 5514

Patent

active

043424074

ABSTRACT:
Apparatus for control of multiple liquid dispensing providing accurate metering, close spacing of the fluids dispensed and rapid cycling. One embodiment contemplates transferring liquids from a multiplicity of containers to a corresponding multiplicity of wells in a microtitration test tray, and includes a multiplicity of resilient conduits extending from the containers into a common pinch type valve that clamps the ends of the conduits closed or permits them to open for liquid discharge.

REFERENCES:
patent: 11300 (1893-01-01), Donally
patent: 686087 (1901-11-01), Klein et al.
patent: 1652537 (1927-12-01), Lewis
patent: 2291267 (1942-07-01), Weiner
patent: 2985341 (1961-05-01), Howell
patent: 3248011 (1966-04-01), Brodsky et al.
patent: 3264067 (1966-08-01), Alderfer
patent: 3982724 (1976-09-01), Citrin
patent: 4030640 (1977-06-01), Citrin et al.

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