FR2137308B1 - - Google Patents

Info

Publication number
FR2137308B1
FR2137308B1 FR7117955A FR7117955A FR2137308B1 FR 2137308 B1 FR2137308 B1 FR 2137308B1 FR 7117955 A FR7117955 A FR 7117955A FR 7117955 A FR7117955 A FR 7117955A FR 2137308 B1 FR2137308 B1 FR 2137308B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7117955A
Other versions
FR2137308A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Priority to FR7117955A priority Critical patent/FR2137308B1/fr
Priority to CH614572A priority patent/CH533463A/de
Priority to IT23988/72A priority patent/IT955247B/it
Priority to NL7206198A priority patent/NL7206198A/xx
Priority to US00252640A priority patent/US3810720A/en
Priority to BE783569A priority patent/BE783569A/fr
Priority to DE19722224385 priority patent/DE2224385A1/de
Publication of FR2137308A1 publication Critical patent/FR2137308A1/fr
Application granted granted Critical
Publication of FR2137308B1 publication Critical patent/FR2137308B1/fr
Expired legal-status Critical Current

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)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR7117955A 1971-05-18 1971-05-18 Expired FR2137308B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7117955A FR2137308B1 (fr) 1971-05-18 1971-05-18
CH614572A CH533463A (de) 1971-05-18 1972-04-25 Vorrichtung zum Verdünnen von flüssigen Proben
IT23988/72A IT955247B (it) 1971-05-18 1972-05-05 Dispositivo per diluire campioni liquidi
NL7206198A NL7206198A (fr) 1971-05-18 1972-05-08
US00252640A US3810720A (en) 1971-05-18 1972-05-12 Apparatus for transferring liquids
BE783569A BE783569A (fr) 1971-05-18 1972-05-17 Appareil pour l'adjonction de liquides en quantites dosees
DE19722224385 DE2224385A1 (de) 1971-05-18 1972-05-18 Vorrichtung zum Verdünnen von flüssigen Proben

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2137308A1 FR2137308A1 (fr) 1972-12-29
FR2137308B1 true FR2137308B1 (fr) 1975-01-17

Family

ID=9077236

Family Applications (1)

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

Country Status (7)

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

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 (fr) * 2000-10-24 2003-01-17 Junior Instruments Dispositif de pipetage automatique avec rincage
FR2836400B1 (fr) * 2002-02-25 2004-07-09 Junior Instruments Dispositif de pipetage automatique de precision

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50293C (fr) * 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 (fr) * 1966-01-07 1967-04-07 Coultronics France S A Appareil pour la préparation de mélanges liquides
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
FR2137308A1 (fr) 1972-12-29
BE783569A (fr) 1972-11-17
US3810720A (en) 1974-05-14
NL7206198A (fr) 1972-11-21
IT955247B (it) 1973-09-29
DE2224385A1 (de) 1972-11-30
CH533463A (de) 1973-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse