DK0931770T3 - Fremgangsmåde til semikontinuert trækning af optiske fiberpræforme omfattende et forvarmningstrin - Google Patents

Fremgangsmåde til semikontinuert trækning af optiske fiberpræforme omfattende et forvarmningstrin

Info

Publication number
DK0931770T3
DK0931770T3 DK99400081T DK99400081T DK0931770T3 DK 0931770 T3 DK0931770 T3 DK 0931770T3 DK 99400081 T DK99400081 T DK 99400081T DK 99400081 T DK99400081 T DK 99400081T DK 0931770 T3 DK0931770 T3 DK 0931770T3
Authority
DK
Denmark
Prior art keywords
semi
optical fiber
preheating step
fiber preforms
continuous drawing
Prior art date
Application number
DK99400081T
Other languages
English (en)
Inventor
Bernard Wurier
Michel Hertz
Jean-Philippe Francois
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of DK0931770T3 publication Critical patent/DK0931770T3/da

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
    • C03B37/027—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
    • 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
    • C03B37/02736—Means 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
    • 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
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/30—Means for continuous drawing from a preform
    • 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
    • C03B2205/69—Auxiliary thermal treatment immediately prior to drawing, e.g. pre-heaters, laser-assisted resistance heaters
    • 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
DK99400081T 1998-01-22 1999-01-14 Fremgangsmåde til semikontinuert trækning af optiske fiberpræforme omfattende et forvarmningstrin DK0931770T3 (da)

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 (1)

Publication Number Publication Date
DK0931770T3 true DK0931770T3 (da) 2002-01-28

Family

ID=9522026

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99400081T DK0931770T3 (da) 1998-01-22 1999-01-14 Fremgangsmåde til semikontinuert trækning af optiske fiberpræforme omfattende et forvarmningstrin

Country Status (8)

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

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
CN1236740A (zh) 1999-12-01
DE69900317D1 (de) 2001-11-08
EP0931770B1 (fr) 2001-10-04
DE69900317T2 (de) 2002-07-11
FR2773795B1 (fr) 2000-02-11
FR2773795A1 (fr) 1999-07-23
EP0931770A1 (fr) 1999-07-28
BR9900122A (pt) 2000-03-21
JPH11292559A (ja) 1999-10-26
US6209358B1 (en) 2001-04-03

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