DE3061826D1 - Pipette with positive displacement - Google Patents

Pipette with positive displacement

Info

Publication number
DE3061826D1
DE3061826D1 DE8080400040T DE3061826T DE3061826D1 DE 3061826 D1 DE3061826 D1 DE 3061826D1 DE 8080400040 T DE8080400040 T DE 8080400040T DE 3061826 T DE3061826 T DE 3061826T DE 3061826 D1 DE3061826 D1 DE 3061826D1
Authority
DE
Germany
Prior art keywords
piston
pinching member
control rod
bottom end
displacement
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.)
Expired
Application number
DE8080400040T
Other languages
English (en)
Inventor
D Autry Eric Marteau
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3061826D1 publication Critical patent/DE3061826D1/de
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
    • B01L3/022—Capillary pipettes, i.e. having very small bore
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
    • G01F11/025—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with manually operated pistons
    • G01F11/027—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with manually operated pistons of the syringe type

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
DE8080400040T 1979-01-19 1980-01-11 Pipette with positive displacement Expired DE3061826D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901335A FR2446672A1 (fr) 1979-01-19 1979-01-19 Pipette a deplacement positif

Publications (1)

Publication Number Publication Date
DE3061826D1 true DE3061826D1 (en) 1983-03-17

Family

ID=9220962

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080400040T Expired DE3061826D1 (en) 1979-01-19 1980-01-11 Pipette with positive displacement

Country Status (5)

Country Link
EP (1) EP0014120B1 (de)
JP (1) JPS55102441A (de)
AT (1) ATE2397T1 (de)
DE (1) DE3061826D1 (de)
FR (1) FR2446672A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515339A1 (fr) * 1981-10-28 1983-04-29 Marteau D Autry Eric Pipette de precision a deplacement positif
JPS61117126A (ja) * 1984-11-13 1986-06-04 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
FR2607407B1 (fr) * 1986-11-27 1991-08-02 Marteau D Autry Eric Procede et dispositif de calibrage d'une pipette de prelevement et de dosage
JPS63173820U (de) * 1987-05-07 1988-11-11
FI86812C (fi) * 1991-01-07 1992-10-26 Labsystems Oy Foertraengningspipett
ES2137965T3 (es) * 1992-12-19 2000-01-01 Roche Diagnostics Gmbh Dispositivo para detectar una interfase de liquido en un tubo de medida transparente.
US5454268A (en) * 1993-11-15 1995-10-03 Kim; Young S. Double-plunger liquid displacement syringe pipet
US5983733A (en) * 1996-11-15 1999-11-16 Hamilton Company Manual pipette
US6814936B1 (en) 1999-07-01 2004-11-09 Goran Enhorning Pipette assembly having a small volume disposable tip
GB0420256D0 (en) 2004-09-13 2004-10-13 Cassells John M Method and apparatus for sampling and analysis of fluids
US8524170B2 (en) * 2011-02-22 2013-09-03 Rainin Instrument, Llc Pipette and sealing tip
FR2980123B1 (fr) 2011-09-19 2013-10-11 Gilson Sas Pipette a deplacement positif presentant une fonction d'ejection amelioree
FR3003643B1 (fr) 2013-03-25 2015-04-17 Gilson Sas Systeme de pipetage a deplacement positif presentant une fonction d'ejection amelioree
FR3012883B1 (fr) 2013-11-07 2015-12-25 Gilson Sas Systeme de pipetage a deplacement positif, presentant une conception facilitant la prehension du piston de l'ensemble capillaire-piston
JP6359832B2 (ja) * 2014-02-03 2018-07-18 国立研究開発法人理化学研究所 試料分注装置及び試料分注方法
CN110586215A (zh) * 2019-09-16 2019-12-20 甘肃金域医学检验所有限公司 一种用于病理封片的定量滴胶管
CN112881456B (zh) * 2021-01-18 2023-08-18 重庆医药高等专科学校 药物熔点仪
CN116943501B (zh) * 2023-09-18 2023-12-05 龙口市化工厂 一种化工生产用取样混合一体化装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2541642C3 (de) * 1975-09-18 1979-07-26 Labora Mannheim Gmbh Fuer Labortechnik, 6800 Mannheim Pipertier-Handpipette
FR2343228A1 (fr) * 1976-03-01 1977-09-30 Lee Thomas Dispositif de pipettage
FR2351402A1 (fr) * 1976-05-10 1977-12-09 Marteau Dautry Eric Diluteur reglable
DE2711124C2 (de) * 1977-03-15 1979-05-10 Labora Mannheim Gmbh Fuer Labortechnik, 6800 Mannheim Handpipette

Also Published As

Publication number Publication date
FR2446672B1 (de) 1983-07-22
JPS55102441A (en) 1980-08-05
FR2446672A1 (fr) 1980-08-14
JPS6150017B2 (de) 1986-11-01
EP0014120A1 (de) 1980-08-06
ATE2397T1 (de) 1983-03-15
EP0014120B1 (de) 1983-02-09

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Free format text: ERFINDER IST ANMELDER

8339 Ceased/non-payment of the annual fee