FR2447216A1 - Pipette a doses multiples - Google Patents

Pipette a doses multiples

Info

Publication number
FR2447216A1
FR2447216A1 FR8001703A FR8001703A FR2447216A1 FR 2447216 A1 FR2447216 A1 FR 2447216A1 FR 8001703 A FR8001703 A FR 8001703A FR 8001703 A FR8001703 A FR 8001703A FR 2447216 A1 FR2447216 A1 FR 2447216A1
Authority
FR
France
Prior art keywords
piston
chamber
dosing
main
dosing piston
Prior art date
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.)
Granted
Application number
FR8001703A
Other languages
English (en)
Other versions
FR2447216B1 (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.)
SUOVANIEMI FINNPIPETTE
Original Assignee
SUOVANIEMI FINNPIPETTE
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 SUOVANIEMI FINNPIPETTE filed Critical SUOVANIEMI FINNPIPETTE
Publication of FR2447216A1 publication Critical patent/FR2447216A1/fr
Application granted granted Critical
Publication of FR2447216B1 publication Critical patent/FR2447216B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • B01L3/0234—Repeating pipettes, i.e. for dispensing multiple doses from a single charge

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

LA PIPETTE SELON L'INVENTION COMPREND NON SEULEMENT UN PISTON DE POMPE PRINCIPAL 2 MOBILE DANS UNE CHAMBRE 3, MAIS UN PISTON DE DOSAGE 10 AVEC LA CHAMBRE 9. LE VOLUME MAXIMUM BALAYE PAR LE PISTON PRINCIPAL 2 EST NETTEMENT PLUS GRAND QUE LE VOLUME BALAYE PAR LE PISTON DE DOSAGE 10; LES CHAMBRES 3 ET 9 DU PISTON PRINCIPAL 2 ET DU PISTON DE DOSAGE 10 SONT RELIEES L'UNE A L'AUTRE PAR UN CANAL 19 OU 34; L'EXTREMITE DE LA CHAMBRE 9 DU PISTON DE DOSAGE 10 SITUEE EN REGARD DE LA TIGE DE PISTON EST MUNIE D'UNE SOUPAPE 26 QUI EST DISPOSEE DE TELLE MANIERE QU'ELLE S'OUVRE ET LAISSE ENTRER DE L'AIR DANS LA CHAMBRE 9 LORSQUE LE PISTON DE DOSAGE 10 EST EN POSITION HAUTE; L'AUTRE EXTREMITE DE CETTE CHAMBRE 9 DU PISTON DE DOSAGE EST MUNIE D'UNE CONTRE-SOUPAPE 37 DISPOSEE DE TELLE MANIERE QU'ELLE S'OUVRE ET LAISSE PASSER DE L'AIR EN PROVENANCE DE LA CHAMBRE DE LA SOUPAPE DE DOSAGE 10 DANS LA CHAMBRE 3 DU PISTON PRINCIPAL LORSQUE LE PISTON DE DOSAGE EST EN POSITION BASSE.
FR8001703A 1979-01-23 1980-01-23 Pipette a doses multiples Granted FR2447216A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI790209A FI59343C (fi) 1979-01-23 1979-01-23 Flerdospipett

Publications (2)

Publication Number Publication Date
FR2447216A1 true FR2447216A1 (fr) 1980-08-22
FR2447216B1 FR2447216B1 (fr) 1984-02-10

Family

ID=8512318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001703A Granted FR2447216A1 (fr) 1979-01-23 1980-01-23 Pipette a doses multiples

Country Status (4)

Country Link
US (1) US4304138A (fr)
FI (1) FI59343C (fr)
FR (1) FR2447216A1 (fr)
SU (1) SU1088650A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351761A2 (fr) * 1988-07-18 1990-01-24 The Perkin-Elmer Corporation Injecteur d'échantillons
WO1999017880A1 (fr) * 1997-10-02 1999-04-15 Eppendorf-Netheler-Hinz Gmbh Pipette a repetition pourvue d'un dispositif d'actionnement hydraulique

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593837A (en) * 1985-03-15 1986-06-10 Eastman Kodak Company Variable volume pipette
EP0544814A1 (fr) * 1990-08-22 1993-06-09 Drd Diluter Corporation Pipette
WO1992020778A1 (fr) * 1991-05-24 1992-11-26 Kindconi Pty Limited Temoin de reaction biochimique
US5364596A (en) * 1992-12-01 1994-11-15 Rainin Instrument Co., Inc. Manual pipette with plunger velocity governor, home position latch and trigger release
DE19735931C2 (de) * 1997-08-08 2002-02-07 Lerche Dietmar Kolbenhubpipette für die Volumendosierung und Viskositätsmessung
WO2004009238A1 (fr) * 2002-07-23 2004-01-29 Protedyne Corporation Outil de manipulation de liquide comportant un piston creux
US7093507B2 (en) * 2003-05-12 2006-08-22 Bel-Art Products, Inc. Pipette control arrangement
US7185551B2 (en) * 2003-05-22 2007-03-06 Schwartz H Donald Pipetting module
US6805015B1 (en) 2003-05-22 2004-10-19 H. Donald Schwartz Dual resolution syringe
US8900526B2 (en) * 2008-04-08 2014-12-02 Socorex Isba S.A. Joint for device for metering liquids
CN105209922B (zh) * 2013-03-15 2017-06-09 道格拉斯科学有限责任公司 通过式清洁移液器
CN103623878B (zh) * 2013-12-16 2014-07-23 山东大学齐鲁医院 液转气体积式移液器
US11491477B2 (en) * 2017-08-11 2022-11-08 Henry Donald Schwartz Core pipetting mechanism and method
US11293416B2 (en) * 2017-09-21 2022-04-05 Hartmann's, Inc. Precision fluid dispensing device
CN110227567A (zh) * 2019-06-19 2019-09-13 武汉科技大学 一种数控高温移液枪

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2146412A1 (fr) * 1971-07-22 1973-03-02 Instrumentation Labor Inc
FR2295404A1 (fr) * 1974-12-16 1976-07-16 Becton Dickinson Co Distributeur de quantites precises de liquide a pipette
FR2370517A1 (fr) * 1976-11-10 1978-06-09 Sarstedt Kunststoff Pipette a aspiration
US4096751A (en) * 1977-06-15 1978-06-27 Oxford Laboratories Inc. Hand-held micropipettor with fluid transfer volume adjustment mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2146412A1 (fr) * 1971-07-22 1973-03-02 Instrumentation Labor Inc
FR2295404A1 (fr) * 1974-12-16 1976-07-16 Becton Dickinson Co Distributeur de quantites precises de liquide a pipette
FR2370517A1 (fr) * 1976-11-10 1978-06-09 Sarstedt Kunststoff Pipette a aspiration
US4096751A (en) * 1977-06-15 1978-06-27 Oxford Laboratories Inc. Hand-held micropipettor with fluid transfer volume adjustment mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351761A2 (fr) * 1988-07-18 1990-01-24 The Perkin-Elmer Corporation Injecteur d'échantillons
EP0351761A3 (fr) * 1988-07-18 1991-02-13 The Perkin-Elmer Corporation Injecteur d'échantillons
WO1999017880A1 (fr) * 1997-10-02 1999-04-15 Eppendorf-Netheler-Hinz Gmbh Pipette a repetition pourvue d'un dispositif d'actionnement hydraulique

Also Published As

Publication number Publication date
US4304138A (en) 1981-12-08
SU1088650A3 (ru) 1984-04-23
FR2447216B1 (fr) 1984-02-10
FI59343C (fi) 1981-08-10
FI790209A (fi) 1980-07-24
FI59343B (fi) 1981-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse