DE4016030C2 - - Google Patents
Info
- Publication number
- DE4016030C2 DE4016030C2 DE4016030A DE4016030A DE4016030C2 DE 4016030 C2 DE4016030 C2 DE 4016030C2 DE 4016030 A DE4016030 A DE 4016030A DE 4016030 A DE4016030 A DE 4016030A DE 4016030 C2 DE4016030 C2 DE 4016030C2
- Authority
- DE
- Germany
- Prior art keywords
- hollow body
- rod
- range
- speed
- value
- 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
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 238000005485 electric heating Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000005082 stem growth Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/047—Re-forming tubes or rods by drawing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4016030A DE4016030A1 (de) | 1990-05-18 | 1990-05-18 | Verfahren zum werkzeugfreien umformen eines hohlkoerpers |
| DE91102750T DE59100521D1 (de) | 1990-05-18 | 1991-02-25 | Verfahren zum werkzeugfreien Umformen eines Hohlkörpers. |
| EP91102750A EP0458017B1 (de) | 1990-05-18 | 1991-02-25 | Verfahren zum werkzeugfreien Umformen eines Hohlkörpers |
| SU914895140A RU2013386C1 (ru) | 1990-05-18 | 1991-04-22 | Способ переформования стеклянного полого цилиндра в стержень |
| CA002041607A CA2041607A1 (en) | 1990-05-18 | 1991-05-01 | Method for remodelling a hollow body without the use of tools |
| US07/702,244 US5171343A (en) | 1990-05-18 | 1991-05-17 | Method for the tool-free reshapingof a tubular body |
| JP3112822A JP2524010B2 (ja) | 1990-05-18 | 1991-05-17 | 中空体を工具なしで変形させる方法 |
| KR1019910008112A KR0181514B1 (ko) | 1990-05-18 | 1991-05-18 | 중공체의 공구를 사용하지 않는 변형을 위한 방법 |
| CN91103401A CN1029836C (zh) | 1990-05-18 | 1991-05-18 | 一种空心体的无工具成型方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4016030A DE4016030A1 (de) | 1990-05-18 | 1990-05-18 | Verfahren zum werkzeugfreien umformen eines hohlkoerpers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4016030A1 DE4016030A1 (de) | 1991-11-21 |
| DE4016030C2 true DE4016030C2 (enExample) | 1992-12-03 |
Family
ID=6406720
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4016030A Granted DE4016030A1 (de) | 1990-05-18 | 1990-05-18 | Verfahren zum werkzeugfreien umformen eines hohlkoerpers |
| DE91102750T Expired - Fee Related DE59100521D1 (de) | 1990-05-18 | 1991-02-25 | Verfahren zum werkzeugfreien Umformen eines Hohlkörpers. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE91102750T Expired - Fee Related DE59100521D1 (de) | 1990-05-18 | 1991-02-25 | Verfahren zum werkzeugfreien Umformen eines Hohlkörpers. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5171343A (enExample) |
| EP (1) | EP0458017B1 (enExample) |
| JP (1) | JP2524010B2 (enExample) |
| KR (1) | KR0181514B1 (enExample) |
| CN (1) | CN1029836C (enExample) |
| CA (1) | CA2041607A1 (enExample) |
| DE (2) | DE4016030A1 (enExample) |
| RU (1) | RU2013386C1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4117817C2 (de) * | 1991-05-31 | 1994-02-03 | Heraeus Quarzglas | Verfahren zur Herstellung einer stabförmigen Vorform für optische Fasern |
| DE4117816A1 (de) * | 1991-05-31 | 1992-12-03 | Heraeus Quarzglas | Verfahren zur herstellung einer vorform |
| US7797966B2 (en) * | 2000-12-29 | 2010-09-21 | Single Crystal Technologies, Inc. | Hot substrate deposition of fused silica |
| US20020083740A1 (en) * | 2000-12-29 | 2002-07-04 | Pandelisev Kiril A. | Process and apparatus for production of silica grain having desired properties and their fiber optic and semiconductor application |
| US20020083739A1 (en) * | 2000-12-29 | 2002-07-04 | Pandelisev Kiril A. | Hot substrate deposition fiber optic preforms and preform components process and apparatus |
| US20020117625A1 (en) * | 2001-02-26 | 2002-08-29 | Pandelisev Kiril A. | Fiber optic enhanced scintillator detector |
| DE10138628A1 (de) * | 2001-08-13 | 2003-02-27 | Bosch Gmbh Robert | Verfahren zur Herstellung eines Verschlusses eines Hohlraums einer Glasröhre |
| DE10332176B4 (de) * | 2002-07-24 | 2007-04-05 | Schott Ag | Verfahren zur Verminderung der Kontamination mit Alkaliverbindungen der Innenoberfläche von aus Glasrohr hergestellte Hohlkörpern aus Glas und Behälter, sowie dessen Verwendung für medizinische Zwecke |
| DE102004050515B4 (de) * | 2004-10-15 | 2007-08-02 | Heraeus Tenevo Gmbh | Verfahren zur Herstellung von Rohren aus Quarzglas |
| JP2007063094A (ja) * | 2005-09-01 | 2007-03-15 | Sumitomo Electric Ind Ltd | 石英管の内面処理方法、光ファイバ母材製造方法及び光ファイバ製造方法 |
| US10968133B2 (en) | 2017-11-30 | 2021-04-06 | Corning Incorporated | Methods for minimizing SHR in glass articles by producing a gas flow during pharmaceutical part converting |
| US11420893B2 (en) | 2017-11-30 | 2022-08-23 | Corning Incorporated | Systems and methods for minimizing SHR from piercing during pharmaceutical part converting using a gas flow |
| US11186513B2 (en) | 2017-11-30 | 2021-11-30 | Corning Incorporated | Systems and methods for minimizing SHR from pharmaceutical part converting using negative pressure evacuation |
| US11339079B2 (en) | 2017-11-30 | 2022-05-24 | Corning Incorporated | Systems and methods for minimizing SHR from pharmaceutical part converting using pulsed ejection |
| EP4067315B1 (de) * | 2021-03-29 | 2025-03-12 | Heraeus Quarzglas GmbH & Co. KG | Rohr aus quarzglas und verfahren zur herstellung desselben |
| CN117285247B (zh) * | 2023-11-28 | 2024-08-06 | 上海康阔光智能技术有限公司 | 保偏光纤制造方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1298463A (en) * | 1913-02-14 | 1919-03-25 | John N Willys | Glass-rod machine and process. |
| US1948560A (en) * | 1929-11-30 | 1934-02-27 | Borneman George | Funnel guide and method of making it |
| CA1008825A (en) * | 1974-03-28 | 1977-04-19 | William E. Warren | Pump assembly for an atomizing piston pump |
| DE2430428C2 (de) * | 1974-06-25 | 1976-06-10 | Heraeus Schott Quarzschmelze | Verfahren und Vorrichtung zum Herstellen eines Rohres aus Quarzglas oder Quarzgut mit engen Durchmessertoleranzen |
| CA1106710A (en) * | 1977-06-22 | 1981-08-11 | Michael G. Blankenship | Method of making optical devices |
| JPS5852935B2 (ja) * | 1978-11-20 | 1983-11-26 | 三菱マテリアル株式会社 | 光伝送用素材の製造方法 |
| EP0032390B1 (en) * | 1980-01-11 | 1987-04-22 | Hitachi, Ltd. | Method of producing a preform rod for an optical fiber |
| FR2515693B1 (fr) * | 1981-11-03 | 1985-10-11 | Thomson Csf | Procede de fabrication d'un objet a structure chiralique issu a partir d'une source de matiere formable et dispositif mettant en oeuvre ce procede |
| AT379688B (de) * | 1982-11-22 | 1986-02-10 | List Hans | Sensorelement zur bestimmung des o2-gehaltes einer probe |
| ATE50759T1 (de) * | 1984-05-26 | 1990-03-15 | Rheydt Kabelwerk Ag | Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern. |
| US4828599A (en) * | 1986-05-14 | 1989-05-09 | The Research Foundation Of State University Of New York | Method for producing glass tubing of a narrowed diameter |
| GB2193956B (en) * | 1986-08-14 | 1990-02-21 | Stc Plc | Optical fibre preform manufacture |
| DE3808037C2 (de) * | 1988-03-10 | 1997-02-06 | Siemens Ag | Verfahren zur Herstellung eines optischen Kabels und Vorrichtung zu dessen Durchführung |
-
1990
- 1990-05-18 DE DE4016030A patent/DE4016030A1/de active Granted
-
1991
- 1991-02-25 DE DE91102750T patent/DE59100521D1/de not_active Expired - Fee Related
- 1991-02-25 EP EP91102750A patent/EP0458017B1/de not_active Expired - Lifetime
- 1991-04-22 RU SU914895140A patent/RU2013386C1/ru not_active IP Right Cessation
- 1991-05-01 CA CA002041607A patent/CA2041607A1/en not_active Abandoned
- 1991-05-17 US US07/702,244 patent/US5171343A/en not_active Expired - Lifetime
- 1991-05-17 JP JP3112822A patent/JP2524010B2/ja not_active Expired - Fee Related
- 1991-05-18 CN CN91103401A patent/CN1029836C/zh not_active Expired - Fee Related
- 1991-05-18 KR KR1019910008112A patent/KR0181514B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0458017A1 (de) | 1991-11-27 |
| KR910019917A (ko) | 1991-12-19 |
| CN1029836C (zh) | 1995-09-27 |
| DE4016030A1 (de) | 1991-11-21 |
| US5171343A (en) | 1992-12-15 |
| JP2524010B2 (ja) | 1996-08-14 |
| CN1056671A (zh) | 1991-12-04 |
| KR0181514B1 (ko) | 1999-04-15 |
| RU2013386C1 (ru) | 1994-05-30 |
| DE59100521D1 (de) | 1993-12-02 |
| JPH05132330A (ja) | 1993-05-28 |
| EP0458017B1 (de) | 1993-10-27 |
| CA2041607A1 (en) | 1991-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |