DE69942059D1 - Ofen und verfahren zum ziehen von optischen fasern - Google Patents

Ofen und verfahren zum ziehen von optischen fasern

Info

Publication number
DE69942059D1
DE69942059D1 DE69942059T DE69942059T DE69942059D1 DE 69942059 D1 DE69942059 D1 DE 69942059D1 DE 69942059 T DE69942059 T DE 69942059T DE 69942059 T DE69942059 T DE 69942059T DE 69942059 D1 DE69942059 D1 DE 69942059D1
Authority
DE
Germany
Prior art keywords
oven
optical fibers
pulling optical
pulling
fibers
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
DE69942059T
Other languages
English (en)
Inventor
Toshiki Taru
Katsuya Nagayama
Kazuya Kuwahara
Ichiro Tsuchiya
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
Priority claimed from JP21951598A external-priority patent/JP2965031B1/ja
Priority claimed from JP25768398A external-priority patent/JP2965037B1/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of DE69942059D1 publication Critical patent/DE69942059D1/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
    • 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
    • C03B2205/74—Means for moving at least a part of the draw furnace, e.g. by rotation or vertical or horizontal movement
    • 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
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • 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
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/92—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using means for gradually reducing the cross-section towards the outlet or around the preform draw end, e.g. tapered
    • 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
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/98—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using annular gas inlet distributors
DE69942059T 1998-04-03 1999-03-29 Ofen und verfahren zum ziehen von optischen fasern Expired - Fee Related DE69942059D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9052098 1998-04-03
JP21951598A JP2965031B1 (ja) 1998-08-04 1998-08-04 光ファイバ線引き炉及び光ファイバ線引き方法
JP25768398A JP2965037B1 (ja) 1998-04-03 1998-09-11 光ファイバ線引き炉及び光ファイバ線引き方法
PCT/JP1999/001636 WO1999051534A1 (fr) 1998-04-03 1999-03-29 Four et procede d'etirage de fil de fibre optique

Publications (1)

Publication Number Publication Date
DE69942059D1 true DE69942059D1 (de) 2010-04-08

Family

ID=27306467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69942059T Expired - Fee Related DE69942059D1 (de) 1998-04-03 1999-03-29 Ofen und verfahren zum ziehen von optischen fasern

Country Status (7)

Country Link
US (2) US6668592B1 (de)
EP (1) EP1069086B1 (de)
CN (1) CN1163429C (de)
BR (1) BR9908912A (de)
DE (1) DE69942059D1 (de)
ID (1) ID26017A (de)
WO (1) WO1999051534A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2991338B1 (ja) * 1998-11-13 1999-12-20 住友電気工業株式会社 光ファイバ線引き方法および線引き炉
NL1013583C2 (nl) * 1999-11-16 2001-05-17 Plasma Optical Fibre Bv Inrichting en werkwijze voor het uit een voorvorm trekken van optische vezels.
JP4379554B2 (ja) * 2000-09-01 2009-12-09 住友電気工業株式会社 光ファイバ母材の脱水焼結方法
KR100393612B1 (ko) * 2001-01-29 2003-08-02 삼성전자주식회사 비접촉식으로 광섬유 편광모드분산 제어를 위한 광섬유인출 장치
US20030044743A1 (en) * 2001-08-28 2003-03-06 Bookbinder Dana C. Furnace assembly for heating an optical waveguide preform
KR100429532B1 (ko) * 2001-10-22 2004-05-03 삼성전자주식회사 광섬유제조장치의 드로타워 구조
KR100545814B1 (ko) * 2002-08-31 2006-01-24 엘에스전선 주식회사 광섬유 인선 용해로 및 이를 이용한 광섬유 인선방법
US20050257571A1 (en) * 2004-05-18 2005-11-24 The Furukawa Electric Co, Ltd. Method and apparatus for manufacturing a glass preform
JP4609839B2 (ja) * 2004-08-23 2011-01-12 古河電気工業株式会社 光ファイバ母材の製造方法
US8776548B2 (en) * 2007-01-30 2014-07-15 Corning Incorporated Ultra thin glass drawing and blowing
JP5148367B2 (ja) * 2007-05-29 2013-02-20 信越化学工業株式会社 高周波誘導熱プラズマトーチを用いた光ファイバプリフォームの製造方法
JP5023016B2 (ja) * 2007-08-10 2012-09-12 信越化学工業株式会社 光ファイバ製造装置および線引き炉のシール方法
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
JP5541775B2 (ja) * 2009-12-03 2014-07-09 信越化学工業株式会社 ガラス母材延伸装置
CN102249534B (zh) 2011-05-31 2013-09-18 长飞光纤光缆有限公司 大直径光纤预制棒感应拉丝炉加温装置
JP5701228B2 (ja) * 2012-01-19 2015-04-15 信越化学工業株式会社 多孔質ガラス母材の遮熱部材および焼結方法
JP5986540B2 (ja) 2013-06-24 2016-09-06 株式会社フジクラ 光ファイバ素線の製造装置および製造方法
CN103304135B (zh) * 2013-07-05 2015-01-21 江苏法尔胜光子有限公司 一种大直径光纤预制棒的光纤拉丝方法
JP2015074600A (ja) * 2013-10-11 2015-04-20 住友電気工業株式会社 光ファイバの製造方法
US10308544B2 (en) 2015-10-13 2019-06-04 Corning Incorporated Gas reclamation system for optical fiber production
JP6686706B2 (ja) * 2016-06-01 2020-04-22 住友電気工業株式会社 光ファイバの線引方法
WO2018181739A1 (ja) * 2017-03-31 2018-10-04 住友電気工業株式会社 光ファイバ母材の懸架構造、懸架方法、および光ファイバの製造方法および懸架方法
CN110272202B (zh) 2018-03-15 2023-03-07 康宁股份有限公司 收窄的马弗炉
NL2020854B1 (en) 2018-03-22 2019-10-02 Corning Inc Method and apparatus for suppressing flow instabilities in an optical fiber draw system
JP7155631B2 (ja) * 2018-06-11 2022-10-19 住友電気工業株式会社 光ファイバの線引き方法
EP4093710A1 (de) * 2020-01-24 2022-11-30 Corning Incorporated System und verfahren zum ziehen einer optischen faser
CN115605444A (zh) 2020-05-15 2023-01-13 康宁股份有限公司（Us） 光纤形成设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030901A (en) * 1976-07-19 1977-06-21 Bell Telephone Laboratories, Incorporated Method for drawing fibers
NL7902201A (nl) * 1979-03-21 1980-09-23 Philips Nv Werkwijze en inrichting voor het vervaardigen van op- tische fibers alsmede optische fibers vervaardigd met de werkwijze.
NL8302666A (nl) * 1983-07-27 1985-02-18 Philips Nv Inrichting voor het trekken van een optische vezel.
JPS6120493A (ja) * 1984-07-06 1986-01-29 Matsushita Electric Ind Co Ltd 同軸平板スピ−カユニツト
JP2542679B2 (ja) 1988-06-22 1996-10-09 住友電気工業株式会社 光ファイバ線引炉
JPH026348A (ja) * 1988-06-22 1990-01-10 Sumitomo Electric Ind Ltd 光ファイバ線引炉
JP2697921B2 (ja) * 1989-10-12 1998-01-19 古河電気工業株式会社 光ファイバの製造方法
JP3141464B2 (ja) * 1991-12-02 2001-03-05 住友電気工業株式会社 光ファイバ線引炉
JPH06199537A (ja) * 1993-01-05 1994-07-19 Sumitomo Electric Ind Ltd 光ファイバ線引炉
JPH06199536A (ja) * 1993-01-05 1994-07-19 Sumitomo Electric Ind Ltd 光ファイバの線引炉
JP3189968B2 (ja) * 1995-06-22 2001-07-16 住友電気工業株式会社 光ファイバ線引き方法および光ファイバ線引き炉
FR2747673B1 (fr) * 1996-04-23 1998-05-22 Alcatel Fibres Optiques Dispositif de fibrage d'une preforme de fibre optique
JP3481466B2 (ja) * 1997-07-24 2003-12-22 古河電気工業株式会社 光ファイバ線引炉、およびそれを用いた光ファイバ線引方法
JPH1179777A (ja) * 1997-09-05 1999-03-23 Fujikura Ltd 光ファイバの紡糸装置
JP3785782B2 (ja) * 1998-01-27 2006-06-14 住友電気工業株式会社 ガラスロッド延伸用加熱炉及びガラスロッドの延伸方法

Also Published As

Publication number Publication date
US6668592B1 (en) 2003-12-30
US20030205068A1 (en) 2003-11-06
EP1069086B1 (de) 2010-02-24
CN1163429C (zh) 2004-08-25
EP1069086A1 (de) 2001-01-17
ID26017A (id) 2000-11-16
BR9908912A (pt) 2000-12-26
WO1999051534A1 (fr) 1999-10-14
US6810692B2 (en) 2004-11-02
EP1069086A4 (de) 2005-03-09
CN1292771A (zh) 2001-04-25

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Legal Events

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