BE783569A - APPARATUS FOR ADDING LIQUIDS IN DOSE QUANTITIES - Google Patents

APPARATUS FOR ADDING LIQUIDS IN DOSE QUANTITIES

Info

Publication number
BE783569A
BE783569A BE783569A BE783569A BE783569A BE 783569 A BE783569 A BE 783569A BE 783569 A BE783569 A BE 783569A BE 783569 A BE783569 A BE 783569A BE 783569 A BE783569 A BE 783569A
Authority
BE
Belgium
Prior art keywords
dose quantities
adding liquids
liquids
quantities
dose
Prior art date
Application number
BE783569A
Other languages
French (fr)
Original Assignee
Hoffmann La Roche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of BE783569A publication Critical patent/BE783569A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/001—Control of flow ratio with discontinuous action
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G01N2001/382—Diluting, dispersing or mixing samples using pistons of different sections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
BE783569A 1971-05-18 1972-05-17 APPARATUS FOR ADDING LIQUIDS IN DOSE QUANTITIES BE783569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7117955A FR2137308B1 (en) 1971-05-18 1971-05-18

Publications (1)

Publication Number Publication Date
BE783569A true BE783569A (en) 1972-11-17

Family

ID=9077236

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783569A BE783569A (en) 1971-05-18 1972-05-17 APPARATUS FOR ADDING LIQUIDS IN DOSE QUANTITIES

Country Status (7)

Country Link
US (1) US3810720A (en)
BE (1) BE783569A (en)
CH (1) CH533463A (en)
DE (1) DE2224385A1 (en)
FR (1) FR2137308B1 (en)
IT (1) IT955247B (en)
NL (1) NL7206198A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963148A (en) * 1974-01-10 1976-06-15 Coulter Electronics, Inc. Apparatus for drawing, measuring and discharging proportional amounts of fluid
US3955930A (en) * 1975-04-07 1976-05-11 Justin Joel Shapiro Automatic dilutor having coupled diluent and reagent plungers
GB1558931A (en) * 1976-06-03 1980-01-09 Brand Fa Rudolf Diluting and pipetting apparatus
US4269327A (en) * 1978-05-24 1981-05-26 Welch Henry H Device for carrying out high precision dilutions and dosages of liquids, particularly biological liquids
US4976546A (en) * 1989-05-12 1990-12-11 Beattie Lewis J Two component fluid mixing and dispensing system
FR2815719B1 (en) * 2000-10-24 2003-01-17 Junior Instruments AUTOMATIC PIPETTING DEVICE WITH RINSING
FR2836400B1 (en) * 2002-02-25 2004-07-09 Junior Instruments AUTOMATIC PRECISION PIPETTING DEVICE

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50293C (en) * 1936-12-21 1941-05-15
US2815149A (en) * 1954-07-20 1957-12-03 Avery Hardoll Ltd Apparatus for dispensing liquids
US2922379A (en) * 1957-06-06 1960-01-26 Eugene L Schultz Heart action multi-line pump constructions
US3144831A (en) * 1961-07-13 1964-08-18 Beckman Instruments Inc Fluid gradient engine
US3230887A (en) * 1962-10-29 1966-01-25 Beckman Instruments Inc Even flow apparatus and method for fluid gradient engines and the like
US3359910A (en) * 1965-06-10 1967-12-26 Little Inc A Apparatus for programming fluid flow
FR1475725A (en) * 1966-01-07 1967-04-07 Coultronics France S A Apparatus for the preparation of liquid mixtures
US3484207A (en) * 1967-05-22 1969-12-16 American Optical Corp Liquid sampling-pipetting method and apparatus
US3401839A (en) * 1967-05-29 1968-09-17 Honeywell Inc Liquid sampling and dispensing device
US3575161A (en) * 1968-03-07 1971-04-20 Seymour B London Valve for biological systems
US3572130A (en) * 1969-08-27 1971-03-23 Nat Instr Lab Inc Liquid sample pick-up and dispensing apparatus

Also Published As

Publication number Publication date
IT955247B (en) 1973-09-29
FR2137308B1 (en) 1975-01-17
US3810720A (en) 1974-05-14
NL7206198A (en) 1972-11-21
CH533463A (en) 1973-02-15
DE2224385A1 (en) 1972-11-30
FR2137308A1 (en) 1972-12-29

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