DE1498968A1 - - Google Patents

Info

Publication number
DE1498968A1
DE1498968A1 DE19621498968 DE1498968A DE1498968A1 DE 1498968 A1 DE1498968 A1 DE 1498968A1 DE 19621498968 DE19621498968 DE 19621498968 DE 1498968 A DE1498968 A DE 1498968A DE 1498968 A1 DE1498968 A1 DE 1498968A1
Authority
DE
Germany
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.)
Pending
Application number
DE19621498968
Other versions
DE1498968B2 (de
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 filed Critical
Publication of DE1498968A1 publication Critical patent/DE1498968A1/de
Publication of DE1498968B2 publication Critical patent/DE1498968B2/de
Pending 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
    • B01L3/0282—Burettes; Pipettes mounted within a receptacle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2713—Siphons
    • Y10T137/2842—With flow starting, stopping or maintaining means
    • Y10T137/2863—Pressure applied to liquid in supply chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7847—With leak passage
    • Y10T137/7848—Permits flow at valve interface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7879—Resilient material valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7908—Weight biased
    • Y10T137/7909—Valve body is the weight

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
DE19621498968 1961-01-06 1962-01-05 Pipette Pending DE1498968B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8111661A 1961-01-06 1961-01-06
US32291663 US3247866A (en) 1961-01-06 1963-11-12 Pipette

Publications (2)

Publication Number Publication Date
DE1498968A1 true DE1498968A1 (de) 1968-11-14
DE1498968B2 DE1498968B2 (de) 1971-02-11

Family

ID=26765214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19621498968 Pending DE1498968B2 (de) 1961-01-06 1962-01-05 Pipette

Country Status (4)

Country Link
US (2) US3247866A (de)
CH (1) CH392933A (de)
DE (1) DE1498968B2 (de)
GB (1) GB953937A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3203251A (en) * 1963-03-19 1965-08-31 Beckman Instruments Inc Pipette apparatus
US3584639A (en) * 1965-06-08 1971-06-15 Gasudarstuenny Nii Orch Polvpr Discrete-operating pneumatic element for logical function
US3590889A (en) * 1969-04-15 1971-07-06 Hamilton Co Injector filling apparatus
SE347355B (de) * 1970-11-12 1972-07-31 Aga Ab
US3889710A (en) * 1972-11-07 1975-06-17 Julien H Brost Check valve with elastomeric valve element
US4091802A (en) * 1976-02-17 1978-05-30 Eastman Kodak Company Vented liquid collection device
USRE33564E (en) * 1981-12-14 1991-04-02 Ballard Medical Products Foam dispensing device
CN1003167B (zh) * 1985-06-26 1989-02-01 鲁道夫·赫尔工学博士股份公司 真空固持装置
US5339988A (en) 1992-10-19 1994-08-23 Ballard Medical Products Disposable tray sump foamer, assembly and methods
SE9802123D0 (sv) * 1998-06-15 1998-06-15 Siemens Elema Ab Riktningsventil
US20090211656A1 (en) * 2008-02-21 2009-08-27 Kao Hsung Tsung Changeover unit for fuel gas pressure reducer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US194676A (en) * 1877-08-28 Improvement in sewer-traps
US555588A (en) * 1896-03-03 Valve for piping
US797739A (en) * 1904-07-29 1905-08-22 Wilhelm Meer Valve.
US1594192A (en) * 1925-12-10 1926-07-27 Ross M Turner Vacuum valve
US1742400A (en) * 1926-06-19 1930-01-07 Larsson Johan Georg Separator for cream or similar liquids
US2311367A (en) * 1940-04-22 1943-02-16 Laura A Chambers Liquid applicator
US2547377A (en) * 1944-12-19 1951-04-03 Juhasz Kalman John De Check valve device
US2540360A (en) * 1946-11-12 1951-02-06 George B Ulvild Pipette loader
US2466128A (en) * 1947-03-10 1949-04-05 Roy M Striegel Electrical extension cord assembly
US2508793A (en) * 1947-04-05 1950-05-23 Hays Mfg Co Flow control device
US2655175A (en) * 1947-08-13 1953-10-13 Acme Prot Equipment Company Exhaust valve for gas masks
US2650455A (en) * 1948-02-17 1953-09-01 Union Carbide & Carbon Corp Gas pressure regulator resistant to hum
US2730270A (en) * 1953-06-29 1956-01-10 Harry B Heinemann Liquid measuring and dispensing device
US2728232A (en) * 1953-07-13 1955-12-27 Richard L Costello Pipette filling bulb
GB818606A (en) * 1957-04-08 1959-08-19 Gaskell & Chambers Ltd Anti-drip delivery pipes for beer or other pumps
US2974528A (en) * 1957-04-11 1961-03-14 Manuel C Sanz Pipette
US3112846A (en) * 1959-12-21 1963-12-03 American Can Co Aerosol can package

Also Published As

Publication number Publication date
US3118306A (en) 1964-01-21
US3247866A (en) 1966-04-26
CH392933A (de) 1965-05-31
DE1498968B2 (de) 1971-02-11
GB953937A (en) 1964-04-02

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971