Title: Apparatus for dispensing liquids

Abstract: This invention is a method and apparatus for dispensing a predetermined weight of liquid. The apparatus comprises a calibrated vessel having an elongated tubular section in open communication with the top of the vessel, means to fill the vessel to a level in the elongated tubular section, a displacement means which provides an area of reduced cross section at the liquid level in the tubular section, means to monitor the temperature of the liquid, means to adjust the position of the displacement means in response to temperature changes of the liquid and means to dispense the liquid. The apparatus can dispense a predetermined weight of liquid over a broad temperature range. The method comprises the steps necessary to dispense the predetermined weight of liquid.

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Inventors: Lamb, Norman C. (Ralston, NB)
Shank, Harvey T. (Papillion, NB)

Application Number: 410008
Filing Date: 1973-10-25
Publication_date: 1976-01-20
Assignee: Stauffer Chemical Company (Westport, CT)
Primary Class(es): 222/1 73/429, 222/46, 222/54, 222/109, 222/440
Other Classes:
US Patent Ref:

1244585	Oct, 1917	Case	222/457.
1671542	May, 1928	Perks	222/440.
1683337	Sep, 1928	Ernest et al.	222/440.
2044866	Jun, 1936	Williams et al.	222/54.
2767960	Oct, 1956	Fast	222/457.
2836066	May, 1958	Brown	73/223.
3145881	Aug, 1964	Moore et al.	222/440.
3827610	Aug, 1974	Stiefel	73/429.

Other Refs: 605,565

Feb, 1926	FR

Primary Examiner: Reeves, Robert B.
Assistant Examiner: Handren, Frederick R.
Attorney: