DE60310878D1 - Versiegelung eines faserziehofens - Google Patents

Versiegelung eines faserziehofens

Info

Publication number
DE60310878D1
DE60310878D1 DE60310878T DE60310878T DE60310878D1 DE 60310878 D1 DE60310878 D1 DE 60310878D1 DE 60310878 T DE60310878 T DE 60310878T DE 60310878 T DE60310878 T DE 60310878T DE 60310878 D1 DE60310878 D1 DE 60310878D1
Authority
DE
Germany
Prior art keywords
heating element
drawing furnace
fiber preform
insulating layer
gas
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
DE60310878T
Other languages
English (en)
Inventor
Timo Mattila
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.)
Photonium Oy
Original Assignee
Photonium Oy
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 Photonium Oy filed Critical Photonium Oy
Application granted granted Critical
Publication of DE60310878D1 publication Critical patent/DE60310878D1/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
    • C03B2205/80—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Glass Compositions (AREA)
  • Sealing Devices (AREA)
  • Sealing Material Composition (AREA)
  • Dental Preparations (AREA)
DE60310878T 2002-01-18 2003-01-14 Versiegelung eines faserziehofens Expired - Fee Related DE60310878D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20020103A FI113533B (fi) 2002-01-18 2002-01-18 Kuidunvetouunin tiivistys
PCT/FI2003/000020 WO2003059831A1 (en) 2002-01-18 2003-01-14 Sealing a fiber drawing furnace

Publications (1)

Publication Number Publication Date
DE60310878D1 true DE60310878D1 (de) 2007-02-15

Family

ID=8562845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60310878T Expired - Fee Related DE60310878D1 (de) 2002-01-18 2003-01-14 Versiegelung eines faserziehofens

Country Status (7)

Country Link
US (1) US20050115278A1 (de)
EP (1) EP1470087B1 (de)
AT (1) ATE350352T1 (de)
AU (1) AU2003201178A1 (de)
DE (1) DE60310878D1 (de)
FI (1) FI113533B (de)
WO (1) WO2003059831A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1024943C2 (nl) * 2003-12-04 2005-06-07 Draka Fibre Technology Bv Werkwijze ter vervaardiging van een optische vezel.
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
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
JP7334724B2 (ja) 2018-03-23 2023-08-29 住友電気工業株式会社 炉内ガス供給装置、光ファイバ製造装置、光ファイバの製造方法
CN109384382B (zh) * 2018-11-27 2023-11-03 通鼎互联信息股份有限公司 一种光纤拉丝炉的密封装置
CN110045469B (zh) * 2019-04-02 2020-08-18 金信诺光纤光缆（赣州）有限公司 一种光纤交接箱光纤链路连接装置
CN112592048B (zh) * 2020-11-25 2022-08-16 通鼎互联信息股份有限公司 一种光纤拉丝炉用石墨件结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596824B2 (ja) * 1976-08-20 1984-02-14 日本電信電話株式会社 ガラスフアイバ−紡糸炉のシ−ル方法
US4174842A (en) * 1978-03-31 1979-11-20 Western Electric Company, Incorporated Non-contacting seal for treating chamber through which elongated material is moved
US4547644A (en) * 1984-02-24 1985-10-15 At&T Technologies, Inc. Apparatus for heating a preform from which lightguide fiber is drawn
US6003341A (en) * 1996-12-10 1999-12-21 Bloom; Cary Device for making fiber couplers automatically
DE59602017D1 (de) * 1996-12-17 1999-07-01 Cit Alcatel Verfahren und Vorrichtung zum Ziehen einer optischen Faser aus einer Vorform
US6381990B1 (en) * 1999-02-26 2002-05-07 Corning Incorporated Draw furnace sealing assembly and method
KR100346112B1 (ko) * 1999-12-22 2002-08-01 삼성전자 주식회사 솔-젤 공법을 채용한 광섬유 모재 제조공정의 소결공정에서 오버 자켓팅 튜브 소결장치 및 그 방법
FR2802916B1 (fr) * 1999-12-27 2002-03-15 Cit Alcatel Agencement d'entree de preforme pour four de tirage de fibre optique, four dote d'un tel agencement et preforme equipee pour cooperer avec cet agencement

Also Published As

Publication number Publication date
EP1470087A1 (de) 2004-10-27
FI20020103A (fi) 2003-07-19
AU2003201178A1 (en) 2003-07-30
WO2003059831A1 (en) 2003-07-24
FI20020103A0 (fi) 2002-01-18
ATE350352T1 (de) 2007-01-15
EP1470087B1 (de) 2007-01-03
FI113533B (fi) 2004-05-14
US20050115278A1 (en) 2005-06-02

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Legal Events

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