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Primary Examiner: Scovronek, Joseph
Assistant Examiner:
Attorney: Finnegan, Henderson, Farabow & Garrett

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Title: Sample supply to automatic analyzers

Abstract: A method and an apparatus for supplying samples to a flowing continuous carrier solution for automatic analysis whereby a measured sampling conduit with a predetermined length and volume is alternately coupled to an intake conduit for the sample and the path of the flowing carrier solution. The sample circuit includes a sample container, an intake tube, the sample conduit valves and a pump, and the carrier flow circuit includes an inlet tube, a pump, a conduit, valves, a shunt conduit, an outlet conduit and an outlet, and by means of the valves, the sampling conduit is connected into and out of the carrier flow circuit parallel to the shunt conduit.

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Other info:

Inventors: Ruzicka, Jaromir (Naerum, DE, US)
Hansen, Elo H. (Lyngby, DE, US)

Application Number: 832741
Filing Date: 1977-09-12
Publication_date: 1979-12-11
Assignee: Bifok AB (Sollentuna, SE)
Primary Class(es): 73/863.71 422/82, 422/100, 436/52, 436/125
Other Classes:
US Patent Ref:

3615234	Oct, 1971	Ludvigsen	23/253.
3698870	Oct, 1972	DeJong	23/253.
3876374	Apr, 1975	Burns	23/253.
3933430	Jan, 1976	Hare	23/230.
3961534	Jun, 1976	Gundelfinger	73/422.
4007638	Feb, 1977	Irwin et al.	73/423.
4013413	Mar, 1977	Stewart et al.	23/253.
4018565	Apr, 1977	Fletcher et al.	23/253.
4022575	May, 1977	Hansen et al.	23/230.
4049381	Sep, 1977	Burns et al.	23/253.

Other Refs: Other References: L. T. Skeggs, An Automatic Method For Colorimetric Analysis, Amer. J. Clin. Pathol., vol. 28, pp. 311-322 (1957).