DE69900317D1 - Verfahren zum halbkontinuierlichen Ziehen von Vorformen für optische Fasern beinhaltend einen Schritt zur Vorwärmung - Google Patents

Verfahren zum halbkontinuierlichen Ziehen von Vorformen für optische Fasern beinhaltend einen Schritt zur Vorwärmung

Info

Publication number
DE69900317D1
DE69900317D1 DE69900317T DE69900317T DE69900317D1 DE 69900317 D1 DE69900317 D1 DE 69900317D1 DE 69900317 T DE69900317 T DE 69900317T DE 69900317 T DE69900317 T DE 69900317T DE 69900317 D1 DE69900317 D1 DE 69900317D1
Authority
DE
Germany
Prior art keywords
semi
optical fibers
preheating step
continuously drawing
drawing preforms
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 - Fee Related
Application number
DE69900317T
Other languages
English (en)
Other versions
DE69900317T2 (de
Inventor
Bernard Wurier
Michel Hertz
Jean-Philippe Francois
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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
Application filed by Alcatel SA filed Critical Alcatel SA
Application granted granted Critical
Publication of DE69900317D1 publication Critical patent/DE69900317D1/de
Publication of DE69900317T2 publication Critical patent/DE69900317T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture 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
    • C03B37/027Fibres composed of different sorts of glass, e.g. glass optical fibres
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture 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
    • C03B37/027Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02736Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture 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
    • C03B37/029Furnaces therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00Fibre drawing or extruding details
    • C03B2205/30Means for continuous drawing from a preform
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00Fibre drawing or extruding details
    • C03B2205/60Optical fibre draw furnaces
    • C03B2205/62Heating means for drawing
    • C03B2205/69Auxiliary thermal treatment immediately prior to drawing, e.g. pre-heaters, laser-assisted resistance heaters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving 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)
DE69900317T 1998-01-22 1999-01-14 Verfahren zum halbkontinuierlichen Ziehen von Vorformen für optische Fasern beinhaltend einen Schritt zur Vorwärmung Expired - Fee Related DE69900317T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9800651A FR2773795B1 (fr) 1998-01-22 1998-01-22 Procede de fibrage semi-continu de preformes comportant une etape de prechauffage

Publications (2)

Publication Number Publication Date
DE69900317D1 true DE69900317D1 (de) 2001-11-08
DE69900317T2 DE69900317T2 (de) 2002-07-11

Family

ID=9522026

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69900317T Expired - Fee Related DE69900317T2 (de) 1998-01-22 1999-01-14 Verfahren zum halbkontinuierlichen Ziehen von Vorformen für optische Fasern beinhaltend einen Schritt zur Vorwärmung

Country Status (8)

Country Link
US (1) US6209358B1 (de)
EP (1) EP0931770B1 (de)
JP (1) JPH11292559A (de)
CN (1) CN1236740A (de)
BR (1) BR9900122A (de)
DE (1) DE69900317T2 (de)
DK (1) DK0931770T3 (de)
FR (1) FR2773795B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6779363B1 (en) * 2000-09-29 2004-08-24 Corning Incorporated Method for pregobbing an optical fiber preform and system producing optical fiber therefrom
US20040187525A1 (en) * 2003-03-31 2004-09-30 Coffey Calvin T. Method and apparatus for making soot
US7473509B2 (en) 2004-11-26 2009-01-06 Konica Minolta Business Technologies, Inc. Image forming method and image forming apparatus
CN1331654C (zh) * 2004-12-31 2007-08-15 中国科学院西安光学精密机械研究所 聚合物光子晶体光纤预制棒的拉丝设备
US7459256B2 (en) 2005-01-21 2008-12-02 Konica Minolta Business Technologies, Inc. Image forming method and image forming apparatus
CN113754271A (zh) * 2021-09-01 2021-12-07 富通集团(嘉善)通信技术有限公司 光纤拉丝设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57160934A (en) * 1981-03-25 1982-10-04 Nippon Telegr & Teleph Corp <Ntt> Base material feeder of optical fiber drawer
JPH0717399B2 (ja) * 1983-08-31 1995-03-01 古河電気工業株式会社 光フアイバの製造方法
JPS63195144A (ja) * 1987-02-09 1988-08-12 Sumitomo Electric Ind Ltd 光フアイバの製造方法
JPH01119541A (ja) * 1987-10-30 1989-05-11 Hoya Corp ファイバ線引炉
DE3929894C2 (de) * 1989-09-08 2000-01-20 Rheydt Kabelwerk Ag Verfahren zum kontinuierlichen Ziehen einer optischen Faser
DE4014330A1 (de) * 1990-05-04 1991-11-07 Kabelmetal Electro Gmbh Verfahren und vorrichtung zur kontinuierlichen versorgung eines ziehofens mit vorformen fuer das ziehen von glasfasern
JPH06157058A (ja) * 1991-06-20 1994-06-03 Sumitomo Electric Ind Ltd ガラス母材の火炎研磨方法
JPH05279067A (ja) * 1992-04-03 1993-10-26 Fujikura Ltd 光ファイバ母材の延伸方法および延伸装置

Also Published As

Publication number Publication date
DK0931770T3 (da) 2002-01-28
EP0931770B1 (de) 2001-10-04
US6209358B1 (en) 2001-04-03
CN1236740A (zh) 1999-12-01
EP0931770A1 (de) 1999-07-28
JPH11292559A (ja) 1999-10-26
DE69900317T2 (de) 2002-07-11
BR9900122A (pt) 2000-03-21
FR2773795A1 (fr) 1999-07-23
FR2773795B1 (fr) 2000-02-11

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee