DE3033054C2 - - Google Patents
Info
- Publication number
- DE3033054C2 DE3033054C2 DE3033054A DE3033054A DE3033054C2 DE 3033054 C2 DE3033054 C2 DE 3033054C2 DE 3033054 A DE3033054 A DE 3033054A DE 3033054 A DE3033054 A DE 3033054A DE 3033054 C2 DE3033054 C2 DE 3033054C2
- Authority
- DE
- Germany
- Prior art keywords
- liquid nitrogen
- capillary tube
- tube
- nitrogen
- extrusion
- 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
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000009835 boiling Methods 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000002631 hypothermal effect Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 239000013526 supercooled liquid Substances 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803033054 DE3033054A1 (de) | 1980-09-03 | 1980-09-03 | Verfahren und vorrichtung zur kuehlung von kunststoff-hohlprofilen |
| EP81105645A EP0047378B1 (de) | 1980-09-03 | 1981-07-18 | Verfahren zur Kühlung von Kunststoff-Hohlprofilen |
| AT81105645T ATE13499T1 (de) | 1980-09-03 | 1981-07-18 | Verfahren zur kuehlung von kunststoffhohlprofilen. |
| ZA816076A ZA816076B (en) | 1980-09-03 | 1981-09-02 | Process and apparatus for cooling plastics hollow profiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803033054 DE3033054A1 (de) | 1980-09-03 | 1980-09-03 | Verfahren und vorrichtung zur kuehlung von kunststoff-hohlprofilen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3033054A1 DE3033054A1 (de) | 1982-04-01 |
| DE3033054C2 true DE3033054C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-05-26 |
Family
ID=6110971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803033054 Granted DE3033054A1 (de) | 1980-09-03 | 1980-09-03 | Verfahren und vorrichtung zur kuehlung von kunststoff-hohlprofilen |
Country Status (4)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3241005A1 (de) * | 1982-11-06 | 1984-08-02 | Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen | Verfahren und vorrichtung zur kuehlung von hohlprofilen, insbesondere rohren oder schlaeuchen, aus thermoplastischem kunststoff waehrend des extrudierens |
| DE3609410A1 (de) * | 1986-03-20 | 1987-09-24 | Hans Udo Reichstadt | Verfahren zur einbringung einer reflektierenden lackschicht in die hohlkammern von kunststoff-fensterprofilen oder dgl. |
| DE9112244U1 (de) * | 1991-10-01 | 1991-12-05 | Link, Edmar, 7500 Karlsruhe | Kühlschmiervorrichtung |
| DE4111229A1 (de) * | 1991-04-08 | 1992-10-15 | Wilhelm Hegler | Vorrichtung zur herstellung von kunststoff-rohren |
| DE4117221C2 (de) * | 1991-05-27 | 1996-02-22 | Schueco Int Kg | Verfahren und Vorrichtung zum Herstellen von strangförmigen Hohlkammerprofilen aus thermoplastischem Werkstoff |
| AT409474B (de) * | 1992-09-01 | 2002-08-26 | Greiner & Soehne C A | Extrusionswerkzeug für mit zumindest einem hohlraum versehene bauteile sowie verfahren zum herstellen derartiger bauteile |
| EP0857561B1 (de) * | 1997-02-05 | 2003-09-10 | Linde AG | Verfahren und Vorrichtung zur Kühlung extrudierter Hohlprofile |
| EP0857560A1 (de) * | 1997-02-05 | 1998-08-12 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Kühlung extrudierter Hohlprofile |
| DE19832259B4 (de) * | 1998-07-17 | 2005-06-16 | Profine Gmbh | Extrusionswerkzeug für Fensterprofile |
| CA2657081A1 (en) | 2006-07-11 | 2008-01-17 | Tsukada Medical Research Co., Ltd. | Continuous drug solution infusion device |
| CN106826390B (zh) * | 2017-02-23 | 2019-03-05 | 华中科技大学 | 一种自动化液氮流量控制的难加工材料深冷加工系统 |
| CN111843600B (zh) * | 2020-07-16 | 2022-01-14 | 佛山市迈界金属制品有限公司 | 一种冷却加工金属且保持桌面清洁的切割机 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2324133A1 (de) * | 1973-05-12 | 1974-11-28 | Hoechst Ag | Aussenkalibrieren von extrudierten hohlprofilen aus thermoplastischem kunststoff |
| DE2345957C2 (de) * | 1973-09-12 | 1984-05-24 | Erich 8151 Neukolbing Weichenrieder | Verfahren und Vorrichtung zur Herstellung extrudierter, strangförmiger Kunststoffhohlprofile |
| DE2456386A1 (de) * | 1974-11-29 | 1976-06-10 | Linde Ag | Verfahren und vorrichtung zur herstellung eines kunststoffrohres |
| FR2442714A1 (fr) * | 1978-11-29 | 1980-06-27 | Ind Plastiche Vernici Spa | Perfectionnement aux systemes d'extrusion |
-
1980
- 1980-09-03 DE DE19803033054 patent/DE3033054A1/de active Granted
-
1981
- 1981-07-18 AT AT81105645T patent/ATE13499T1/de active
- 1981-07-18 EP EP81105645A patent/EP0047378B1/de not_active Expired
- 1981-09-02 ZA ZA816076A patent/ZA816076B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE13499T1 (de) | 1985-06-15 |
| EP0047378B1 (de) | 1985-05-29 |
| ZA816076B (en) | 1982-09-29 |
| EP0047378A3 (en) | 1983-01-05 |
| EP0047378A2 (de) | 1982-03-17 |
| DE3033054A1 (de) | 1982-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |