DE2819170A1 - Verfahren und vorrichtung zur herstellung eines ventils - Google Patents
Verfahren und vorrichtung zur herstellung eines ventilsInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 210000002966 serum Anatomy 0.000 claims description 49
- 210000004369 blood Anatomy 0.000 claims description 41
- 239000008280 blood Substances 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 30
- 238000005119 centrifugation Methods 0.000 claims description 26
- 239000013536 elastomeric material Substances 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000806 elastomer Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims 21
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 210000002381 plasma Anatomy 0.000 description 35
- 238000011109 contamination Methods 0.000 description 5
- 102000009123 Fibrin Human genes 0.000 description 4
- 108010073385 Fibrin Proteins 0.000 description 4
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 4
- 229920002633 Kraton (polymer) Polymers 0.000 description 4
- 229950003499 fibrin Drugs 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 210000000601 blood cell Anatomy 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Clinical Laboratory Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Biophysics (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Urology & Nephrology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Ecology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Check Valves (AREA)
- Centrifugal Separators (AREA)
- Lift Valve (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
| CA (1) | CA1087573A (enrdf_load_stackoverflow) |
| DE (1) | DE2819170A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2401008A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1601826A (enrdf_load_stackoverflow) |
Cited By (2)
| 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 (de) * | 2019-08-13 | 2021-02-17 | Sarstedt AG & Co. KG | Trennkörper und verfahren zum trennen von blutplasma und blutzellen |
Families Citing this family (6)
| 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)
| 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)
| 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 |
-
1978
- 1978-05-02 CA CA302,445A patent/CA1087573A/en not_active Expired
- 1978-05-02 DE DE19782819170 patent/DE2819170A1/de active Granted
- 1978-05-02 FR FR7813009A patent/FR2401008A1/fr active Granted
- 1978-05-03 GB GB1753178A patent/GB1601826A/en not_active Expired
- 1978-05-04 JP JP5368978A patent/JPS5415569A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2243569A1 (de) * | 1971-09-07 | 1973-03-22 | Corning Glass Works | Trennung von fluessigkeiten |
Cited By (3)
| 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 (de) * | 2019-08-13 | 2021-02-17 | Sarstedt AG & Co. KG | Trennkörper und verfahren zum trennen von blutplasma und blutzellen |
| US12151235B2 (en) | 2019-08-13 | 2024-11-26 | Sarstedt Ag & Co. Kg | Separator and method for separating blood plasma from blood cells |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6250191B2 (enrdf_load_stackoverflow) | 1987-10-23 |
| FR2401008B1 (enrdf_load_stackoverflow) | 1983-12-30 |
| FR2401008A1 (fr) | 1979-03-23 |
| GB1601826A (en) | 1981-11-04 |
| DE2819170C2 (enrdf_load_stackoverflow) | 1989-02-09 |
| CA1087573A (en) | 1980-10-14 |
| JPS5415569A (en) | 1979-02-05 |
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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 |