US3848777A - Device for receiving and dispensing variable liquid quantities - Google Patents

Device for receiving and dispensing variable liquid quantities Download PDF

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Publication number
US3848777A
US3848777A US00284506A US28450672A US3848777A US 3848777 A US3848777 A US 3848777A US 00284506 A US00284506 A US 00284506A US 28450672 A US28450672 A US 28450672A US 3848777 A US3848777 A US 3848777A
Authority
US
United States
Prior art keywords
cylinder
pipette
disposed
collar
blood
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 - Lifetime
Application number
US00284506A
Other languages
English (en)
Inventor
H Krause
H Wisser
W Sarstedt
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
Priority claimed from DE19722203174 external-priority patent/DE2203174A1/de
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3848777A publication Critical patent/US3848777A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the metering device is to be constructed in such a way that in normal operation the drawn blood serum only fills the respectively applied pipette, but does not enter the cylinder arranged thereover. This requirement is in particular important for handling infectious material.
  • the graduation according to the invention can also be provided outwardly at the cylinder. Then the reading is effected at an according mark at the handle portion.
  • FIG. 1 is a part sectional side elevation of a pipetting device according to the invention with an applied pipette point closed by a cap;

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Sampling And Sample Adjustment (AREA)
US00284506A 1971-08-30 1972-08-29 Device for receiving and dispensing variable liquid quantities Expired - Lifetime US3848777A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7133041 1971-08-30
DE19722203174 DE2203174A1 (de) 1972-01-24 1972-01-24 Vorrichtung zum entnehmen, verteilen und aufbewahren von fluessigkeiten

Publications (1)

Publication Number Publication Date
US3848777A true US3848777A (en) 1974-11-19

Family

ID=25762611

Family Applications (1)

Application Number Title Priority Date Filing Date
US00284506A Expired - Lifetime US3848777A (en) 1971-08-30 1972-08-29 Device for receiving and dispensing variable liquid quantities

Country Status (3)

Country Link
US (1) US3848777A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4835884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2150906B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995013138A3 (en) * 1993-11-11 1995-08-03 Miles Atholl Blackwood Sewell Dispensing device such as a pipette
US5658463A (en) * 1993-03-05 1997-08-19 Strategic Diagnostics, Inc. Process for extraction of analytes from solid and materials and filtration
EP1015110A4 (en) * 1996-11-15 2000-07-26 Hamilton Co MANUAL PIPETTE

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107377019A (zh) * 2017-07-11 2017-11-24 贵州大学 一种引流棒

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US197017A (en) * 1877-11-13 Improvement in dose-measurers
US2175747A (en) * 1938-09-02 1939-10-10 William C Dodd Pharmaceutical device
US2289677A (en) * 1940-09-24 1942-07-14 Harold N Perelson Rubber stopper
US2456687A (en) * 1947-03-18 1948-12-21 Maria Agurcia Ayestas Fountain comb
US2761598A (en) * 1952-11-25 1956-09-04 A H Wirz Inc Spout closure
US3006386A (en) * 1959-11-20 1961-10-31 Harry H Greis Refill device for cartridges of ball point pens
US3236423A (en) * 1964-04-20 1966-02-22 Edward P Marbach Automatic proportioning syringe
US3248950A (en) * 1964-05-25 1966-05-03 Dow Chemical Co Stop mechanism for pipette filling device
US3325061A (en) * 1965-09-01 1967-06-13 Univ California Hypodermic syringe
US3337095A (en) * 1966-08-29 1967-08-22 Jacob P Marbach Syringe for automatic proportioning
US3465925A (en) * 1967-02-01 1969-09-09 Francesco Bertolli Spa Combined plastic closure and pouring spout

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US197017A (en) * 1877-11-13 Improvement in dose-measurers
US2175747A (en) * 1938-09-02 1939-10-10 William C Dodd Pharmaceutical device
US2289677A (en) * 1940-09-24 1942-07-14 Harold N Perelson Rubber stopper
US2456687A (en) * 1947-03-18 1948-12-21 Maria Agurcia Ayestas Fountain comb
US2761598A (en) * 1952-11-25 1956-09-04 A H Wirz Inc Spout closure
US3006386A (en) * 1959-11-20 1961-10-31 Harry H Greis Refill device for cartridges of ball point pens
US3236423A (en) * 1964-04-20 1966-02-22 Edward P Marbach Automatic proportioning syringe
US3248950A (en) * 1964-05-25 1966-05-03 Dow Chemical Co Stop mechanism for pipette filling device
US3325061A (en) * 1965-09-01 1967-06-13 Univ California Hypodermic syringe
US3337095A (en) * 1966-08-29 1967-08-22 Jacob P Marbach Syringe for automatic proportioning
US3465925A (en) * 1967-02-01 1969-09-09 Francesco Bertolli Spa Combined plastic closure and pouring spout

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658463A (en) * 1993-03-05 1997-08-19 Strategic Diagnostics, Inc. Process for extraction of analytes from solid and materials and filtration
WO1995013138A3 (en) * 1993-11-11 1995-08-03 Miles Atholl Blackwood Sewell Dispensing device such as a pipette
US5897034A (en) * 1993-11-11 1999-04-27 Sewell; Miles Atholl Blackwood Dispensing device such as a pipette
EP1015110A4 (en) * 1996-11-15 2000-07-26 Hamilton Co MANUAL PIPETTE

Also Published As

Publication number Publication date
FR2150906A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-04-13
JPS4835884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-05-26
FR2150906B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-10-03

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