US3088714A - Variable gradient device - Google Patents

Variable gradient device Download PDF

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Publication number
US3088714A
US3088714A US60174A US6017460A US3088714A US 3088714 A US3088714 A US 3088714A US 60174 A US60174 A US 60174A US 6017460 A US6017460 A US 6017460A US 3088714 A US3088714 A US 3088714A
Authority
US
United States
Prior art keywords
chambers
members
supporting
mixer
mixer means
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
US60174A
Inventor
Isreeli Jack
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.)
Technicon Chromatography Corp
Original Assignee
Technicon Chromatography Corp
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 Technicon Chromatography Corp filed Critical Technicon Chromatography Corp
Priority to US60174A priority Critical patent/US3088714A/en
Priority to GB32617/61A priority patent/GB969239A/en
Priority to CH1134261A priority patent/CH396462A/en
Priority to BE608760A priority patent/BE608760A/en
Application granted granted Critical
Publication of US3088714A publication Critical patent/US3088714A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86187—Plural tanks or compartments connected for serial flow
    • Y10T137/86196—Separable with valved-connecting passage

Description

May 7, 1963 J. ISREELI VARIABLE GRADENT DEvcE Fi1ed oct' S 1960 2 sheetssheat 2

Claims (1)

  1. 9. A VARIABLE GRADIENT DEVICE, COMPRISING A SUPPORTING BASE HAVING MEANS FOR ADJUSTING SAID BASE INTO A HORIZONTAL POSITION, A COLUMN EXTENDING VERTICALLY UPWARDLY FROM SAID BASE, MEANS CONNECTED TO SAID COLUMN FOR SUPPORTING A PLURALITY OF VERTICAL OPEN TOP CHAMBERS ARRANGED LATERALLY OF EACH OTHER AND CONNECTED IN FLUID FLOW COMMUNICATION WITH EACH OTHER, SAID CHAMBER SUPPORTING MEANS COMPRISING THREE HORIZONTAL MEMBERS SPACED VERTICALLY FROM EACH OTHER, THE LOWEST MEMBER OF SAID HORIZONTAL MEMBERS HAVING A FLAT HORIZONTAL UPPER SURFACE FOR ENGAGING A PORTION ONLY OF THE LOWER END OF EACH OF SAID CHAMBERS, AND SAID OTHER MEMBERS HAVING PARTS THEREOF FOR ENGAGING VERTICALLY SPACED PORTIONS, RESPECTIVELY, OF THE SIDE WALL OF EACH OF SAID CHAMBERS, WHEREBY EACH OF SAID CHAMBERS IS SUPPORTED BY ENGAGEMENT OF THREE VERTICALLY SPACED PORTIONS THEREOF BY SAID SUPPORTING MEANS, MIXER MEANS REMOVABLY MOUNTED ON SAID OPEN ENDED CHAMBERS FOR STIRRING THE LIQUIDS THEREIN, SAID MIXER MEANS HAVING STIRRING MEMBERS FOR EXTENDING THROUGH SAID OPEN TOPS INTO SAID CHAMBERS IN SAID MOUNTED CONDITION OF SAID MIXER MEANS, AND COOPERATING MEANS ON SAID MIXER MEANS AND SAID CHAMBER SUPPORTING MEANS FOR PREDETERMINING THE POSITION OF SAID MIXER MEANS ON SAID CHAMBERS COMPRISING A PLURALITY OF PINS EXTENDING FROM SAID MIXER MEANS AND A PLURALITY OF CORRESPONDING HOLES FOR SAID PINS PROVIDED IN SAID OTHER MEMBERS.
US60174A 1960-10-03 1960-10-03 Variable gradient device Expired - Lifetime US3088714A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US60174A US3088714A (en) 1960-10-03 1960-10-03 Variable gradient device
GB32617/61A GB969239A (en) 1960-10-03 1961-09-12 Variable concentration gradient device
CH1134261A CH396462A (en) 1960-10-03 1961-09-29 Device for creating a variable gradient for chromatographic analyzes
BE608760A BE608760A (en) 1960-10-03 1961-10-02 Variable gradient device, especially for chromatography.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60174A US3088714A (en) 1960-10-03 1960-10-03 Variable gradient device

Publications (1)

Publication Number Publication Date
US3088714A true US3088714A (en) 1963-05-07

Family

ID=22027840

Family Applications (1)

Application Number Title Priority Date Filing Date
US60174A Expired - Lifetime US3088714A (en) 1960-10-03 1960-10-03 Variable gradient device

Country Status (4)

Country Link
US (1) US3088714A (en)
BE (1) BE608760A (en)
CH (1) CH396462A (en)
GB (1) GB969239A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596882A (en) * 1969-09-17 1971-08-03 Peter Stanton Hoefer Multiple linear gradient maker
US3740026A (en) * 1972-01-27 1973-06-19 Graco Inc Liquid agitator and dispensing system
US4186187A (en) * 1972-07-24 1980-01-29 California Institute Of Technology Sample processor for the automatic extraction of families of compounds from liquid samples and/or homogenized solid samples suspended in a liquid
WO2016156819A1 (en) * 2015-03-27 2016-10-06 Biotechflow Ltd Chromatography columns and their operation
USD887218S1 (en) * 2018-12-07 2020-06-16 Round the Clock Group, LLC Creamer caddy
USD892563S1 (en) * 2017-10-17 2020-08-11 Shuangma Plastic Manufacturing Inc Spice rack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US351208A (en) * 1886-10-19 Shi pping-package
US2475191A (en) * 1947-01-30 1949-07-05 Gen Motors Corp Method for producing latex foam
US2516965A (en) * 1947-06-27 1950-08-01 Frank G Dresser Support for burettes and the like
US2755018A (en) * 1955-01-06 1956-07-17 Internat Equipment Company Test tube rack for centrifuges
US2954028A (en) * 1955-10-26 1960-09-27 Russell C Smith Apparatus for administering parenteral fluids

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US351208A (en) * 1886-10-19 Shi pping-package
US2475191A (en) * 1947-01-30 1949-07-05 Gen Motors Corp Method for producing latex foam
US2516965A (en) * 1947-06-27 1950-08-01 Frank G Dresser Support for burettes and the like
US2755018A (en) * 1955-01-06 1956-07-17 Internat Equipment Company Test tube rack for centrifuges
US2954028A (en) * 1955-10-26 1960-09-27 Russell C Smith Apparatus for administering parenteral fluids

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596882A (en) * 1969-09-17 1971-08-03 Peter Stanton Hoefer Multiple linear gradient maker
US3740026A (en) * 1972-01-27 1973-06-19 Graco Inc Liquid agitator and dispensing system
US4186187A (en) * 1972-07-24 1980-01-29 California Institute Of Technology Sample processor for the automatic extraction of families of compounds from liquid samples and/or homogenized solid samples suspended in a liquid
WO2016156819A1 (en) * 2015-03-27 2016-10-06 Biotechflow Ltd Chromatography columns and their operation
GB2536726B (en) * 2015-03-27 2019-12-11 Biotechflow Ltd Chromatography columns and their operation
USD892563S1 (en) * 2017-10-17 2020-08-11 Shuangma Plastic Manufacturing Inc Spice rack
USD887218S1 (en) * 2018-12-07 2020-06-16 Round the Clock Group, LLC Creamer caddy

Also Published As

Publication number Publication date
BE608760A (en) 1962-04-02
GB969239A (en) 1964-09-09
CH396462A (en) 1965-07-31

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