FI62470C - Pipett - Google Patents

Pipett Download PDF

Info

Publication number
FI62470C
FI62470C FI811915A FI811915A FI62470C FI 62470 C FI62470 C FI 62470C FI 811915 A FI811915 A FI 811915A FI 811915 A FI811915 A FI 811915A FI 62470 C FI62470 C FI 62470C
Authority
FI
Finland
Prior art keywords
pipette
calibration
pushbutton
hollow
piston
Prior art date
Application number
FI811915A
Other languages
English (en)
Finnish (fi)
Other versions
FI62470B (fi
Inventor
Jukka Tervamaeki
Erkki Kaski
Mikael Fagerstedt
Aarre Kukka
Original Assignee
Labsystems Oy
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 Labsystems Oy filed Critical Labsystems Oy
Priority to FI811915A priority Critical patent/FI62470C/fi
Priority to EP82302796A priority patent/EP0067605A1/en
Priority to US06/386,269 priority patent/US4466298A/en
Priority to DD82240721A priority patent/DD202397A5/de
Priority to SU823450443A priority patent/SU1165224A3/ru
Priority to HU821947A priority patent/HU186527B/hu
Priority to JP57104664A priority patent/JPS58254A/ja
Publication of FI62470B publication Critical patent/FI62470B/fi
Application granted granted Critical
Publication of FI62470C publication Critical patent/FI62470C/fi

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
    • B01L3/0224—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having mechanical means to set stroke length, e.g. movable stops

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)

Claims (6)

1. Pipett,. som omfattar en som ett handtag utformad stomdel (11, inuti vilken utformats en cylinder (2) samt en däri med tillhjälp av en tätningsring (7) inpassad 5 kolv (3), ett till koiven (31 hörande kolvstäng (4) samt en pa stomdelens Övre ända anordnad tryckknopp (5) jämte skaft (6). och att runt tryckknoppens (51 skaft (61 med tillhjälp av en gängförbindning (8) har anordnats en kalibreringsholk (9), genom vars förmedling den nedre 10 grän.sen för kolvens (3) rörelse är anordnad att bestämmas vid pipettering, kännetecknad därav, att kalibreringsholken (91, omgiven av den ihäliga tryckknoppens (5). mantel (10) samt den Övre delen av pipettens stomme (li, befinner sig pä ett avständ frän säväl tryckknoppens (5) 15 mantel (10) som den inre ytan av skalet tili den Övre delen av pipettens stomme, varvid den ihäliga tryckknoppen (5) och pipettstommen (1) bildar ett mot värmets ledning skyddande skal och lämnar ett luftrum omkring reglerings-och kalibreringsholken (9).
2. Pipett enligt patentkrav 1, kännetecknad därav, att i det ringformade utrymmet mellan kalibreringsholken (9) och pipettens stomme (1) har omkring kalibreringsholken (9) anpassats en ringfläns (11), vilken av en runt kalibreringsholken (9) belägen spiralfjäder (13), anpassad 25 mellan ringflänsen och ett vid kalibreringsholken (9) fäst ringstycke (12), trycks nedät mot en begränsarfläns (14) i kalibreringsholkens (9) nedre del.
3. Pipett enligt patentkrav 1 och 2, kännetecknad därav,att tryckknoppen (5) är genom en 30 friktionsförbindning ansluten tili tryckknoppens (5) skaft (6) för att underlätta ny kalibrering av pipetten.
4. Pipett enligt patentkrav 3, kännetecknad därav, att i reglervolympipetter är tryckknoppen (5) ovridbart ansluten tili tryckknoppens (5) skaft (6).
5. Pipett enligt patentkrav 1 och 2, känne tecknad därav, att ringstycket (12) anordnats att
FI811915A 1981-06-17 1981-06-17 Pipett FI62470C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI811915A FI62470C (fi) 1981-06-17 1981-06-17 Pipett
EP82302796A EP0067605A1 (en) 1981-06-17 1982-06-01 Pipette
US06/386,269 US4466298A (en) 1981-06-17 1982-06-08 Thermal expansion resistant pipette
DD82240721A DD202397A5 (de) 1981-06-17 1982-06-14 Pipette
SU823450443A SU1165224A3 (ru) 1981-06-17 1982-06-15 Пипетка
HU821947A HU186527B (en) 1981-06-17 1982-06-16 Pipette
JP57104664A JPS58254A (ja) 1981-06-17 1982-06-17 ピペツト

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI811915A FI62470C (fi) 1981-06-17 1981-06-17 Pipett
FI811915 1981-06-17

Publications (2)

Publication Number Publication Date
FI62470B FI62470B (fi) 1982-09-30
FI62470C true FI62470C (fi) 1983-01-10

Family

ID=8514507

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811915A FI62470C (fi) 1981-06-17 1981-06-17 Pipett

Country Status (7)

Country Link
US (1) US4466298A (sv)
EP (1) EP0067605A1 (sv)
JP (1) JPS58254A (sv)
DD (1) DD202397A5 (sv)
FI (1) FI62470C (sv)
HU (1) HU186527B (sv)
SU (1) SU1165224A3 (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI64752C (fi) * 1982-06-29 1984-01-10 Labsystems Oy Volymreglerbar pipett
FR2549015B1 (fr) * 1983-07-13 1986-06-13 Oreal Ensemble compte-gouttes
FI844320A (fi) * 1984-11-02 1986-05-03 Labsystems Oy Utspaedningsdoseringsanordning.
GB2172218B (en) * 1985-02-15 1988-07-20 Rocket Of London Ltd Pipetter tip for pipetters
US4824642A (en) * 1986-10-21 1989-04-25 Costar Corporation Multi-channel pipetter
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
FI86812C (sv) * 1991-01-07 1992-10-26 Labsystems Oy Förträngningspipett
FI86969C (sv) * 1991-02-05 1992-11-10 Biohit Oy Pipett
US5496523A (en) * 1994-05-06 1996-03-05 Sorenson Bioscience Filtered micropipette tip for high/low volume pipettors
DE10013511A1 (de) * 2000-03-20 2001-10-11 Brand Gmbh & Co Kg Mehrkanal-Pipettiereinrichtung sowie Pipettenschaft dafür
FI20002241A0 (sv) * 2000-10-11 2000-10-11 Labsystems Oy Justerbar pipett
FI20031626A0 (sv) * 2003-11-10 2003-11-10 Thermo Electron Oy Flerstegspipett
US7175813B2 (en) * 2003-12-31 2007-02-13 Rainin Instrument, Llc Volume adjustable manual pipette with quick set volume adjustment
DE102008048252A1 (de) * 2008-09-12 2010-04-15 Eppendorf Ag Pipettiervorrichtung
PL214640B1 (pl) * 2009-04-30 2013-08-30 Pz Htl Spolka Akcyjna Zespól trzonu do zamontowania w pipecie mechanicznej lub elektronicznej
EP2564181B1 (en) * 2010-04-26 2021-08-25 RheoSense, Inc. Portable viscometer
US10537892B2 (en) 2017-01-03 2020-01-21 Illumina, Inc. Sample tube with integrated mixing plunger head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261509A (en) * 1965-02-05 1966-07-19 Clay Adams Inc Variable capacity dispensing device
DE2319175A1 (de) * 1973-04-16 1974-10-31 Oxford Lab Detail-kolbenpipette
US4054062A (en) * 1976-05-03 1977-10-18 Oxford Laboratories Inc. Hand-held micropipettor with improved accuracy of liquid volumes transferred
DE2711124C2 (de) * 1977-03-15 1979-05-10 Labora Mannheim Gmbh Fuer Labortechnik, 6800 Mannheim Handpipette
US4141251A (en) * 1978-02-15 1979-02-27 Nichiryo Co., Ltd. Pipetting device
FI57542C (fi) * 1978-06-02 1980-09-10 Suovaniemi Finnpipette Volymreglerbar pipett
FI57543C (fi) * 1978-06-02 1980-09-10 Suovaniemi Finnpipette Volymreglerbar pipett
US4294125A (en) * 1980-04-24 1981-10-13 Lee Tsao Piao Pipette controller with graduate reading plunger and lever assembly for gravity drainage

Also Published As

Publication number Publication date
SU1165224A3 (ru) 1985-06-30
HU186527B (en) 1985-08-28
DD202397A5 (de) 1983-09-14
EP0067605A1 (en) 1982-12-22
JPS58254A (ja) 1983-01-05
US4466298A (en) 1984-08-21
FI62470B (fi) 1982-09-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: LABSYSTEMS OY