FR2452089A1 - PIPETTE WITH TWO HAND-OPERATED PUSH BUTTONS - Google Patents

PIPETTE WITH TWO HAND-OPERATED PUSH BUTTONS

Info

Publication number
FR2452089A1
FR2452089A1 FR8006785A FR8006785A FR2452089A1 FR 2452089 A1 FR2452089 A1 FR 2452089A1 FR 8006785 A FR8006785 A FR 8006785A FR 8006785 A FR8006785 A FR 8006785A FR 2452089 A1 FR2452089 A1 FR 2452089A1
Authority
FR
France
Prior art keywords
pipette
rack
hand
push buttons
operated push
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
FR8006785A
Other languages
French (fr)
Other versions
FR2452089B1 (en
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 FR2452089A1 publication Critical patent/FR2452089A1/en
Application granted granted Critical
Publication of FR2452089B1 publication Critical patent/FR2452089B1/en
Expired 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 TIGE DE PISTON 2 ET L'AXE 9 DU BOUTON-POUSSOIR 8 DE LA PIPETTE, QUI SONT PARALLELES, SONT SITUES A UNE CERTAINE DISTANCE L'UN DE L'AUTRE, ET LEURS FACES DIRIGEES L'UNE VERS L'AUTRE COMPORTENT DES PARTIES EN FORME DE CREMAILLERE 10 11, ENTRE LESQUELLES EST DISPOSEE UNE ROUE DENTEE 12, OU UN PIGNON, DESTINE A COOPERER AVEC CES CREMAILLERES, DE TELLE MANIERE QUE, LORSQU'ON ENFONCE LE BOUTON-POUSSOIR 8, ON PEUT PAR L'INTERMEDIAIRE DE LA PARTIE EN FORME DE CREMAILLERE 10 DE L'AXE 9, DU BOUTON-POUSSOIR 8, DE LA ROUE DENTEE 12, DE LA PARTIE EN FORME DE CREMAILLERE 11 DE LA TIGE DE PISTON 2 ET DE CETTE TIGE 2 ELLE-MEME, FAIRE PASSER LE OU LES PISTONS 4 CORRESPONDANT A CHAQUE PARTIE CYLINDRIQUE 3, DE LA POSITION BASSE A LA POSITION HAUTE, DE MANIERE A INTRODUIRE PAR ASPIRATION, DU LIQUIDE DANS L'EMBOUT 7 RELIE A CHAQUE PARTIE CYLINDRIQUE 3.THE PISTON ROD 2 AND THE PIPETTE PUSH BUTTON 8 SHAFT 9, WHICH ARE PARALLEL, ARE LOCATED A CERTAIN DISTANCE FROM ONE OF THE OTHER, AND THEIR FACES FACING ONE TO THE OTHER HAVE RACK-SHAPED PARTS 10 11, BETWEEN WHICH A TOOTHED WHEEL 12, OR A PINION, IS PROVIDED TO COOPERATE WITH THESE RACKS, IN SUCH MANNER THAT, WHEN PUSH-BUTTON 8 IS DEPRESSED, IT IS POSSIBLE THROUGH THE INTERMEDIATE THE RACK-SHAPED PART 10 OF THE SHAFT 9, OF THE PUSH BUTTON 8, OF THE GEAR 12, OF THE RACK-SHAPED PART 11 OF THE PISTON ROD 2 AND OF THIS ROD 2 ITSELF, PASS IT THROUGH THE PISTON (S) 4 CORRESPONDING TO EACH CYLINDRICAL PART 3, FROM THE LOW POSITION TO THE HIGH POSITION, SO AS TO INTRODUCE BY SUCTION, LIQUID INTO THE TIP 7 CONNECTED TO EACH CYLINDRICAL PART 3.

FR8006785A 1979-03-23 1980-03-21 PIPETTE WITH TWO HAND-OPERATED PUSH BUTTONS Expired FR2452089B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI790990A FI60137C (en) 1979-03-23 1979-03-23 pipette

Publications (2)

Publication Number Publication Date
FR2452089A1 true FR2452089A1 (en) 1980-10-17
FR2452089B1 FR2452089B1 (en) 1986-03-14

Family

ID=8512519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006785A Expired FR2452089B1 (en) 1979-03-23 1980-03-21 PIPETTE WITH TWO HAND-OPERATED PUSH BUTTONS

Country Status (7)

Country Link
JP (1) JPS55129159A (en)
BR (1) BR8001743A (en)
DE (1) DE3008346A1 (en)
FI (1) FI60137C (en)
FR (1) FR2452089B1 (en)
GB (1) GB2045641B (en)
SU (1) SU915782A3 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204178C2 (en) * 1982-02-06 1986-03-20 Eppendorf Gerätebau Netheler + Hinz GmbH, 2000 Hamburg Pipetting device
FI831239A0 (en) * 1983-04-13 1983-04-13 Labsystems Oy DOSERINGSPIPETT
FI843326A0 (en) * 1984-08-23 1984-08-23 Eflab Oy RADPIPETT.
JPH0275472A (en) * 1988-09-09 1990-03-15 Mitsubishi Motors Corp Tip shape of electrode chip for arc welding
JP2701900B2 (en) * 1988-12-20 1998-01-21 株式会社ニチリョー Multi pipette
FI87739C (en) * 1990-05-04 1993-02-25 Biohit Oy Pipette
FI921648A0 (en) * 1992-04-13 1992-04-13 Labsystems Oy STEGPIPETT.
DE19615918C2 (en) * 1995-12-07 1999-12-09 Walu Labortechnik Gmbh Repeater pipette
JPH1043863A (en) * 1996-08-06 1998-02-17 Katayama Kogyo Kk Contact tip of welding machine
FR2920675B1 (en) 2007-09-10 2010-12-03 Gilson Sas MULTICHANNEL PIPETTING SYSTEM COMPRISING AN IMPROVED GUIDE PISTON HOLDER
WO2010082080A1 (en) * 2009-01-16 2010-07-22 Gilson S.A.S. Multi-channel pipette guidance system
CN103922262B (en) * 2013-01-15 2016-10-26 常州金麦格生物技术有限公司 Pipetting device and the Automatic Workstation of this mechanism of use
CN103922261B (en) * 2013-01-15 2016-08-31 常州金麦格生物技术有限公司 Liquid-transfering device and the Automatic Workstation using this device and application thereof
CN112206842A (en) * 2019-07-12 2021-01-12 华大青兰生物科技(无锡)有限公司 Multichannel pipettor
EP3928868A1 (en) * 2020-06-22 2021-12-29 Eppendorf AG Pipette for use with a pipette tip or syringe having a piston and a cylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977574A (en) * 1975-05-29 1976-08-31 Bradley Scott Thomas Dispensing pipette actuator system
FR2362666A1 (en) * 1976-08-25 1978-03-24 Oxford Lab DEVICE FOR PURGING THE AIR OF A LIQUID DISTRIBUTION INSTRUMENT
FR2381996A1 (en) * 1977-02-25 1978-09-22 Lkb Produkter Ab PIPETTE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977574A (en) * 1975-05-29 1976-08-31 Bradley Scott Thomas Dispensing pipette actuator system
FR2362666A1 (en) * 1976-08-25 1978-03-24 Oxford Lab DEVICE FOR PURGING THE AIR OF A LIQUID DISTRIBUTION INSTRUMENT
FR2381996A1 (en) * 1977-02-25 1978-09-22 Lkb Produkter Ab PIPETTE

Also Published As

Publication number Publication date
SU915782A3 (en) 1982-03-23
DE3008346C2 (en) 1988-09-08
JPS6366575B2 (en) 1988-12-21
GB2045641B (en) 1983-06-15
DE3008346A1 (en) 1980-10-02
FI60137C (en) 1981-12-10
JPS55129159A (en) 1980-10-06
FR2452089B1 (en) 1986-03-14
FI60137B (en) 1981-08-31
BR8001743A (en) 1980-11-18
FI790990A (en) 1980-09-24
GB2045641A (en) 1980-11-05

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Legal Events

Date Code Title Description
ST Notification of lapse