DE69604974T2 - Ofen zum Ziehen einer optischen Faser aus einer Vorform - Google Patents

Ofen zum Ziehen einer optischen Faser aus einer Vorform

Info

Publication number
DE69604974T2
DE69604974T2 DE69604974T DE69604974T DE69604974T2 DE 69604974 T2 DE69604974 T2 DE 69604974T2 DE 69604974 T DE69604974 T DE 69604974T DE 69604974 T DE69604974 T DE 69604974T DE 69604974 T2 DE69604974 T2 DE 69604974T2
Authority
DE
Germany
Prior art keywords
preform
oven
optical fiber
fiber
optical
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
DE69604974T
Other languages
English (en)
Other versions
DE69604974D1 (de
Inventor
Ichiro Tsuchiya
Kohei Kobayashi
Hiroaki Ohta
Kazuya Kuwahara
Katsuyuki Tsuneishi
Hideo Miyaki
Yasuo Matsuda
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of DE69604974D1 publication Critical patent/DE69604974D1/de
Application granted granted Critical
Publication of DE69604974T2 publication Critical patent/DE69604974T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite
    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • 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

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)
  • Resistance Heating (AREA)
DE69604974T 1995-07-05 1996-07-04 Ofen zum Ziehen einer optischen Faser aus einer Vorform Expired - Fee Related DE69604974T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16993095 1995-07-05
JP01528096A JP3314906B2 (ja) 1995-07-05 1996-01-31 光ファイバ線引き炉

Publications (2)

Publication Number Publication Date
DE69604974D1 DE69604974D1 (de) 1999-12-09
DE69604974T2 true DE69604974T2 (de) 2000-04-13

Family

ID=26351400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69604974T Expired - Fee Related DE69604974T2 (de) 1995-07-05 1996-07-04 Ofen zum Ziehen einer optischen Faser aus einer Vorform

Country Status (7)

Country Link
US (1) US6546760B1 (de)
EP (1) EP0752393B1 (de)
JP (1) JP3314906B2 (de)
KR (1) KR100287931B1 (de)
CN (1) CN1105089C (de)
AU (1) AU718301B2 (de)
DE (1) DE69604974T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883975B2 (en) * 2001-02-12 2005-04-26 Polymicro Technologies, Inc. Connector ferrule and method of sealing
JP4113694B2 (ja) 2001-08-16 2008-07-09 株式会社神戸製鋼所 光ファイバ母材加熱炉およびその加熱方法
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
JP5255306B2 (ja) * 2008-03-27 2013-08-07 古河電気工業株式会社 光ファイバの線引方法
CN102649622B (zh) * 2011-02-28 2016-03-16 住友电气工业株式会社 光纤拉丝方法以及拉丝装置
JP5828232B2 (ja) * 2011-06-29 2015-12-02 住友電気工業株式会社 ガラス母材用加熱炉
WO2013105302A1 (ja) * 2012-01-10 2013-07-18 住友電気工業株式会社 光ファイバの製造方法および製造装置並びに光ファイバ
CN102660809A (zh) * 2012-03-21 2012-09-12 上海联川自动化科技有限公司 单端固定的新型石墨加热器
JP5557866B2 (ja) * 2012-03-30 2014-07-23 株式会社フジクラ 光ファイバ母材加熱用ヒータ
US20160174302A1 (en) * 2013-07-15 2016-06-16 Momentive Performance Materials Inc. Coated graphite heater configuration
JP6405122B2 (ja) * 2014-06-03 2018-10-17 イビデン株式会社 カーボンヒータ、ヒータユニット、焼成炉及び珪素含有多孔質セラミック焼成体の製造方法
CN104180670A (zh) * 2014-08-28 2014-12-03 南京理工大学连云港研究院 一种环形串联式石墨棒加热装置
US10574021B2 (en) 2016-05-13 2020-02-25 Corning Incorporated Optical tube waveguide lasing medium and related method
CN109155499A (zh) * 2016-05-13 2019-01-04 康宁股份有限公司 光学管波导发射激光介质以及相关方法
CN106757375A (zh) * 2016-12-23 2017-05-31 昆明沃特尔机电设备有限公司 一种有效防止炉膛冷点的加热模块
CN107690206B (zh) * 2017-08-21 2021-05-04 宁波柔碳电子科技有限公司 一种加热电极结构和加热装置
NL2020854B1 (en) * 2018-03-22 2019-10-02 Corning Inc Method and apparatus for suppressing flow instabilities in an optical fiber draw system
NL2020974B1 (en) * 2018-05-23 2019-12-02 Draka Comteq Bv A device, system and method for forming a core rod for optical fibers
CN111348826B (zh) * 2020-04-29 2024-05-07 上海煜志科技有限公司 光纤拉丝炉
WO2022139043A1 (ko) * 2020-12-24 2022-06-30 대한광통신 주식회사 인접한 도전체 사이에서의 아크 방전 발생이 억제된 카본 히터
DE102021207621A1 (de) * 2021-07-16 2023-01-19 centrotherm international AG Heizelement

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52110926A (en) 1976-03-16 1977-09-17 Fujikura Ltd Method of fixing heater element in furnace
JPS52110927A (en) 1976-03-16 1977-09-17 Fujikura Ltd Furnace for glass fiber
IT1072240B (it) 1976-12-17 1985-04-10 Cselt Centro Studi Lab Telecom Fornace elettrica ad elemento resistivo in grafite solida in atmosfera inerte
US4547644A (en) * 1984-02-24 1985-10-15 At&T Technologies, Inc. Apparatus for heating a preform from which lightguide fiber is drawn
US4578098A (en) * 1984-06-15 1986-03-25 At&T Technologies, Inc. Apparatus for controlling lightguide fiber tension during drawing
JPS6227837A (ja) * 1985-07-30 1987-02-05 Nec Corp 主記憶アクセス方式
JPS6235828A (ja) * 1985-08-09 1987-02-16 Toshiba Mach Co Ltd タブレツト搬送装置
US4755658A (en) * 1985-11-12 1988-07-05 Ultra Carbon Corporation Segmented heater system
JPH0725565B2 (ja) 1986-06-27 1995-03-22 日本電信電話株式会社 光フアイバ線引き装置
JPH0196042A (ja) 1987-10-09 1989-04-14 Fujikura Ltd 光フアイバプリフォームの紡糸装置
JPH06227837A (ja) 1993-02-02 1994-08-16 Fujikura Ltd 光ファイバ紡糸用加熱炉
JPH06235828A (ja) 1993-02-10 1994-08-23 Sumitomo Electric Ind Ltd 光ファイバ母材延伸用加熱炉
JPH07109143A (ja) 1993-05-25 1995-04-25 Fujikura Ltd 光ファイバ用紡糸炉
JPH07206464A (ja) 1994-01-24 1995-08-08 Furukawa Electric Co Ltd:The 光ファイバ用線引加熱炉
JPH089143A (ja) * 1994-06-16 1996-01-12 Tec Corp 画像読取装置
JP3377131B2 (ja) 1994-08-12 2003-02-17 住友電気工業株式会社 光ファイバ線引炉およびこれに用いるヒータ

Also Published As

Publication number Publication date
KR970007405A (ko) 1997-02-21
JPH0971433A (ja) 1997-03-18
JP3314906B2 (ja) 2002-08-19
DE69604974D1 (de) 1999-12-09
AU5834196A (en) 1997-01-16
US6546760B1 (en) 2003-04-15
KR100287931B1 (ko) 2001-05-02
EP0752393B1 (de) 1999-11-03
CN1148033A (zh) 1997-04-23
EP0752393A1 (de) 1997-01-08
CN1105089C (zh) 2003-04-09
AU718301B2 (en) 2000-04-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee