DE69723579D1 - Vorrichtung und verfahren zur reduzierung von bruchquellen beim faserziehen - Google Patents
Vorrichtung und verfahren zur reduzierung von bruchquellen beim faserziehenInfo
- Publication number
- DE69723579D1 DE69723579D1 DE69723579T DE69723579T DE69723579D1 DE 69723579 D1 DE69723579 D1 DE 69723579D1 DE 69723579 T DE69723579 T DE 69723579T DE 69723579 T DE69723579 T DE 69723579T DE 69723579 D1 DE69723579 D1 DE 69723579D1
- Authority
- DE
- Germany
- Prior art keywords
- sources
- fiber drawing
- reducing breaking
- breaking
- reducing
- 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
Classifications
-
- 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
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/62—Heating means for drawing
- C03B2205/64—Induction furnaces, i.e. HF/RF coil, e.g. of the graphite or zirconia susceptor type
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/80—Means for sealing the preform entry or upper end of the furnace
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/82—Means for sealing the fibre exit or lower end of the furnace
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Inorganic Fibers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2946996P | 1996-10-25 | 1996-10-25 | |
PCT/US1997/018039 WO1998018735A1 (en) | 1996-10-25 | 1997-10-03 | Apparatus and method for reducing break sources in drawn fibers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69723579D1 true DE69723579D1 (de) | 2003-08-21 |
Family
ID=21849177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69723579T Expired - Lifetime DE69723579D1 (de) | 1996-10-25 | 1997-10-03 | Vorrichtung und verfahren zur reduzierung von bruchquellen beim faserziehen |
Country Status (7)
Country | Link |
---|---|
US (1) | US6345519B1 (de) |
EP (1) | EP0950032B1 (de) |
JP (1) | JP2001503007A (de) |
AU (1) | AU744011B2 (de) |
CA (1) | CA2267916A1 (de) |
DE (1) | DE69723579D1 (de) |
WO (1) | WO1998018735A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6381990B1 (en) | 1999-02-26 | 2002-05-07 | Corning Incorporated | Draw furnace sealing assembly and method |
DE60021877T2 (de) * | 1999-05-10 | 2006-06-08 | Pirelli & C. S.P.A. | Verfahren und induktionsofen zum ziehen von vorformen grosser diameter zu optischen fasern |
JP2001163632A (ja) * | 1999-12-13 | 2001-06-19 | Sumitomo Electric Ind Ltd | 光ファイバ製造方法および光ファイバ製造装置 |
KR100334763B1 (ko) * | 2000-04-18 | 2002-05-03 | 윤종용 | 다공 구조 광섬유의 제조 방법 및 제조 장치 |
NL1024943C2 (nl) * | 2003-12-04 | 2005-06-07 | Draka Fibre Technology Bv | Werkwijze ter vervaardiging van een optische vezel. |
US10308544B2 (en) * | 2015-10-13 | 2019-06-04 | Corning Incorporated | Gas reclamation system for optical fiber production |
US10773990B2 (en) | 2016-10-21 | 2020-09-15 | Corning Incorporated | Purge device for an optical fiber draw system |
CN110272202B (zh) * | 2018-03-15 | 2023-03-07 | 康宁股份有限公司 | 收窄的马弗炉 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3881902A (en) * | 1972-01-04 | 1975-05-06 | Corning Glass Works | Apparatus for treating glass optical waveguide fibers |
US4236930A (en) * | 1978-06-09 | 1980-12-02 | Macedo Pedro B | Optical waveguide and method and compositions for producing same |
GB1507144A (en) * | 1974-07-10 | 1978-04-12 | Post Office | Apparatus for drawing dielectric optical waveguides |
US4154592A (en) * | 1978-02-21 | 1979-05-15 | Corning Glass Works | Method of drawing optical filaments |
JPS57191244A (en) * | 1981-05-21 | 1982-11-25 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber |
JPS60122743A (ja) * | 1983-12-02 | 1985-07-01 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ線引き方法 |
JPS60231439A (ja) * | 1984-04-27 | 1985-11-18 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ線引き炉 |
GB8419829D0 (en) * | 1984-08-03 | 1984-09-05 | British Telecomm | Treating glass compositions |
IT1184909B (it) * | 1985-03-18 | 1987-10-28 | Cselt Centro Studi Lab Telecom | Procedimento ed apparecchiatura per la riduzione dei difetti di volume e di superficie nelle fibre ottiche in silice |
IT1184921B (it) * | 1985-03-22 | 1987-10-28 | Cselt Centro Studi Lab Telecom | Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche |
NL8601830A (nl) * | 1986-07-14 | 1988-02-01 | Philips Nv | Werkwijze voor de vervaardiging van optische vezels met een kern en een mantel uit glas onder toepassing van de staaf in buistechniek. |
JPS6340740A (ja) * | 1986-08-07 | 1988-02-22 | Sumitomo Electric Ind Ltd | 光フアイバの製造方法 |
DE3635819A1 (de) * | 1986-10-22 | 1988-05-05 | Schott Glaswerke | Verfahren zur herstellung eines verlustarmen lichtwellenleiters |
US4810276A (en) * | 1987-08-05 | 1989-03-07 | Corning Glass Works | Forming optical fiber having abrupt index change |
US5059229A (en) * | 1990-09-24 | 1991-10-22 | Corning Incorporated | Method for producing optical fiber in a hydrogen atmosphere to prevent attenuation |
US5157747A (en) * | 1991-01-18 | 1992-10-20 | At&T Bell Laboratories | Photorefractive optical fiber |
US5284499A (en) * | 1992-05-01 | 1994-02-08 | Corning Incorporated | Method and apparatus for drawing optical fibers |
US5241615A (en) * | 1992-06-18 | 1993-08-31 | Corning Incorporated | Optical waveguide fiber with very thin titania-silica outer cladding layer |
EP0747327B2 (de) * | 1995-06-07 | 2003-08-27 | Corning Incorporated | Verfahren zur thermischen Behandlung und zum Konsolidieren von Vorformen aus Siliciumdioxid zur Verminderung von durch Laser hervorgerufenen optischen Defekten |
-
1997
- 1997-10-03 EP EP97909990A patent/EP0950032B1/de not_active Expired - Lifetime
- 1997-10-03 AU AU69082/98A patent/AU744011B2/en not_active Ceased
- 1997-10-03 WO PCT/US1997/018039 patent/WO1998018735A1/en active IP Right Grant
- 1997-10-03 JP JP10520490A patent/JP2001503007A/ja active Pending
- 1997-10-03 DE DE69723579T patent/DE69723579D1/de not_active Expired - Lifetime
- 1997-10-03 CA CA002267916A patent/CA2267916A1/en not_active Abandoned
- 1997-10-03 US US09/284,680 patent/US6345519B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0950032B1 (de) | 2003-07-16 |
CA2267916A1 (en) | 1998-05-07 |
EP0950032A4 (de) | 1999-10-20 |
AU6908298A (en) | 1998-05-22 |
AU744011B2 (en) | 2002-02-14 |
US6345519B1 (en) | 2002-02-12 |
US20020029591A1 (en) | 2002-03-14 |
JP2001503007A (ja) | 2001-03-06 |
EP0950032A1 (de) | 1999-10-20 |
WO1998018735A1 (en) | 1998-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |