DK0867412T3 - Termisk isolation til en ovn til trækning af optiske fibre - Google Patents

Termisk isolation til en ovn til trækning af optiske fibre

Info

Publication number
DK0867412T3
DK0867412T3 DK98400666T DK98400666T DK0867412T3 DK 0867412 T3 DK0867412 T3 DK 0867412T3 DK 98400666 T DK98400666 T DK 98400666T DK 98400666 T DK98400666 T DK 98400666T DK 0867412 T3 DK0867412 T3 DK 0867412T3
Authority
DK
Denmark
Prior art keywords
furnace
optical fiber
thermal insulation
fiber drawing
insulation
Prior art date
Application number
DK98400666T
Other languages
English (en)
Inventor
Daniel D Uhm
Robert A Spencer
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 DK0867412T3 publication Critical patent/DK0867412T3/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
    • C03B37/029—Furnaces therefor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/62—Heating elements specially adapted for furnaces
    • 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
    • C03B2205/63—Ohmic resistance heaters, e.g. carbon or graphite resistance heaters
    • 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
    • C03B2205/70—Draw furnace insulation

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)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
DK98400666T 1997-03-27 1998-03-23 Termisk isolation til en ovn til trækning af optiske fibre DK0867412T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4172897P 1997-03-27 1997-03-27

Publications (1)

Publication Number Publication Date
DK0867412T3 true DK0867412T3 (da) 2001-06-18

Family

ID=21918022

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98400666T DK0867412T3 (da) 1997-03-27 1998-03-23 Termisk isolation til en ovn til trækning af optiske fibre

Country Status (5)

Country Link
US (2) US6044663A (da)
EP (3) EP0867414A1 (da)
JP (3) JPH1171127A (da)
DE (1) DE69800554T2 (da)
DK (1) DK0867412T3 (da)

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JP4360585B2 (ja) * 2001-01-10 2009-11-11 信越化学工業株式会社 ガラス母材延伸装置
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US20020178762A1 (en) * 2001-06-01 2002-12-05 Foster John D. Methods and apparatus for forming and controlling the diameter of drawn optical glass fiber
JP2003095688A (ja) * 2001-09-17 2003-04-03 Ibiden Co Ltd 炉心管
KR100545814B1 (ko) * 2002-08-31 2006-01-24 엘에스전선 주식회사 광섬유 인선 용해로 및 이를 이용한 광섬유 인선방법
FI116524B (fi) * 2003-06-13 2005-12-15 Photonium Oy Kuidunvetouunin kuumennuselementin eristys
US6973955B2 (en) * 2003-12-11 2005-12-13 Novelis Inc. Heated trough for molten metal
EP2107956A1 (en) * 2006-12-19 2009-10-14 Novelis Inc. Method of and apparatus for conveying molten metals while providing heat thereto
JP5526666B2 (ja) * 2009-09-08 2014-06-18 国立大学法人信州大学 サファイア単結晶の製造装置
CN111323873B (zh) * 2020-03-31 2022-01-28 中国建筑材料科学研究总院有限公司 一种大尺寸光纤倒像器的扭转成型方法及其装置
CN112645587A (zh) * 2020-12-07 2021-04-13 中国建筑材料科学研究总院有限公司 光学纤维锥及其加工装置和加工方法

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Also Published As

Publication number Publication date
EP0867414A1 (en) 1998-09-30
US6257023B1 (en) 2001-07-10
JPH1171127A (ja) 1999-03-16
EP0867413A1 (en) 1998-09-30
EP0867412A1 (en) 1998-09-30
US6044663A (en) 2000-04-04
DE69800554T2 (de) 2001-10-25
EP0867412B1 (en) 2001-03-07
JPH1179776A (ja) 1999-03-23
DE69800554D1 (de) 2001-04-12
JPH1179778A (ja) 1999-03-23

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