DE2819170A1 - Verfahren und vorrichtung zur herstellung eines ventils - Google Patents

Verfahren und vorrichtung zur herstellung eines ventils

Info

Publication number
DE2819170A1
DE2819170A1 DE19782819170 DE2819170A DE2819170A1 DE 2819170 A1 DE2819170 A1 DE 2819170A1 DE 19782819170 DE19782819170 DE 19782819170 DE 2819170 A DE2819170 A DE 2819170A DE 2819170 A1 DE2819170 A1 DE 2819170A1
Authority
DE
Germany
Prior art keywords
valve
opening
valve element
separator
separator tube
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.)
Granted
Application number
DE19782819170
Other languages
German (de)
English (en)
Other versions
DE2819170C2 (fr
Inventor
Donald J Greenspan
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 US05/793,282 external-priority patent/US4189385A/en
Application filed by Individual filed Critical Individual
Publication of DE2819170A1 publication Critical patent/DE2819170A1/de
Application granted granted Critical
Publication of DE2819170C2 publication Critical patent/DE2819170C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • 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
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5021—Test tubes specially adapted for centrifugation purposes
    • 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
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5021—Test tubes specially adapted for centrifugation purposes
    • B01L3/50215—Test tubes specially adapted for centrifugation purposes using a float to separate phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
    • B29C33/444—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor for stripping articles from a mould core, e.g. using stripper plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • B29C37/0014—Discharging moulded articles from the mould by flexibly or permanently deforming undercut portions of the articles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • G01N33/491—Blood by separating the blood components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
    • B01L2400/0478—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/06—Valves, specific forms thereof
    • B01L2400/0605—Valves, specific forms thereof check valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/7506—Valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Clinical Laboratory Science (AREA)
  • Biophysics (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Ecology (AREA)
  • Urology & Nephrology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
  • Centrifugal Separators (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DE19782819170 1977-05-03 1978-05-02 Verfahren und vorrichtung zur herstellung eines ventils Granted DE2819170A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US79328477A 1977-05-03 1977-05-03
US05/793,282 US4189385A (en) 1977-05-03 1977-05-03 Method and apparatus for separating serum or plasma from the formed elements of the blood
US80701377A 1977-06-16 1977-06-16

Publications (2)

Publication Number Publication Date
DE2819170A1 true DE2819170A1 (de) 1978-11-16
DE2819170C2 DE2819170C2 (fr) 1989-02-09

Family

ID=27419902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782819170 Granted DE2819170A1 (de) 1977-05-03 1978-05-02 Verfahren und vorrichtung zur herstellung eines ventils

Country Status (5)

Country Link
JP (1) JPS5415569A (fr)
CA (1) CA1087573A (fr)
DE (1) DE2819170A1 (fr)
FR (1) FR2401008A1 (fr)
GB (1) GB1601826A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479072A1 (fr) * 1980-03-26 1981-10-02 Global Castors & Hardware Ltd Element moule comprenant une levre saillante rabattable sans formation de surepaisseur, roulette de meuble realisee a partir de cet element et procede et moule pour sa fabrication
EP3778027A1 (fr) * 2019-08-13 2021-02-17 Sarstedt AG & Co. KG Séparateur et procédé de séparation du plasma sanguin et des cellules sanguines

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443345A (en) * 1982-06-28 1984-04-17 Wells John R Serum preparator
US4648834A (en) * 1985-06-07 1987-03-10 Holdt J W Von Mold for manufacturing flanged objects without side action
US20080017577A1 (en) * 2006-07-21 2008-01-24 Becton, Dickinson And Company Membrane-based Double-layer Tube for Sample Collections
JP5730695B2 (ja) * 2011-02-15 2015-06-10 株式会社雅精工 血液分離シリンダ
FR3073918B1 (fr) * 2017-11-21 2019-11-01 Zodiac Aerotechnics Dispositif anti-retour de fluide monobloc dans un aeronef et procede de fabrication d'un tel dispositif
KR102051207B1 (ko) * 2018-01-30 2019-12-03 이준석 원심분리용 피스톤

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243569A1 (de) * 1971-09-07 1973-03-22 Corning Glass Works Trennung von fluessigkeiten

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB791247A (en) * 1955-02-14 1958-02-26 Sarl Rical An improved manufacture of closures for bottles and the like
US3013308A (en) * 1957-10-08 1961-12-19 Plax Corp Method for molding and assembling dispenser fitment
FR1270357A (fr) * 1960-10-12 1961-08-25 Capuchon de bouteille en matière plastique d'une pièce et procédé de fabrication d'un tel capuchon
US3340561A (en) * 1965-02-18 1967-09-12 Schwartzman Gilbert Applicator having one-piece body
US3344942A (en) * 1966-04-05 1967-10-03 Hedgewick Peter Safety cap and container
US3799342A (en) * 1970-07-27 1974-03-26 Medical Res & Dev Inc Method of using a serum separator
US3721726A (en) * 1971-02-16 1973-03-20 G Schwartzman Method of making an integrally molded applicator and valve therefor
US3800947A (en) * 1971-07-16 1974-04-02 P Smith Reagent tube and centrifugally operated solid-liquid separating device
IT984447B (it) * 1973-03-30 1974-11-20 Guala R E C Sas Dispositivo di chiusura per lat tine e simili contenitori e pro cedimento per la sua fabbricazio ne
US4005101A (en) * 1973-04-09 1977-01-25 Albert Obrist Ag Method for molding plastic covers for containers
US3932277A (en) * 1974-03-29 1976-01-13 Bio-Logics Products, Inc. Method and apparatus for separating blood fractions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243569A1 (de) * 1971-09-07 1973-03-22 Corning Glass Works Trennung von fluessigkeiten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479072A1 (fr) * 1980-03-26 1981-10-02 Global Castors & Hardware Ltd Element moule comprenant une levre saillante rabattable sans formation de surepaisseur, roulette de meuble realisee a partir de cet element et procede et moule pour sa fabrication
EP3778027A1 (fr) * 2019-08-13 2021-02-17 Sarstedt AG & Co. KG Séparateur et procédé de séparation du plasma sanguin et des cellules sanguines

Also Published As

Publication number Publication date
GB1601826A (en) 1981-11-04
JPS6250191B2 (fr) 1987-10-23
FR2401008B1 (fr) 1983-12-30
JPS5415569A (en) 1979-02-05
DE2819170C2 (fr) 1989-02-09
CA1087573A (fr) 1980-10-14
FR2401008A1 (fr) 1979-03-23

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT. EBBINGHAUS

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee