DE69900279T2 - Zugangsöffnung für einen Ziehofen für optische Fasern - Google Patents

Zugangsöffnung für einen Ziehofen für optische Fasern

Info

Publication number
DE69900279T2
DE69900279T2 DE69900279T DE69900279T DE69900279T2 DE 69900279 T2 DE69900279 T2 DE 69900279T2 DE 69900279 T DE69900279 T DE 69900279T DE 69900279 T DE69900279 T DE 69900279T DE 69900279 T2 DE69900279 T2 DE 69900279T2
Authority
DE
Germany
Prior art keywords
optical fibers
access opening
drawing furnace
furnace
access
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
DE69900279T
Other languages
English (en)
Other versions
DE69900279D1 (de
Inventor
Daniel D Uhm
Robert A Spencer
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Application granted granted Critical
Publication of DE69900279D1 publication Critical patent/DE69900279D1/de
Publication of DE69900279T2 publication Critical patent/DE69900279T2/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
    • C03B37/027—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
    • C03B37/0253—Controlling or regulating
    • 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
    • C03B2205/80—Means for sealing the preform entry or upper end of the furnace
    • C03B2205/81—Means for sealing the preform entry or upper end of the furnace using gas
    • 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
    • C03B2205/82—Means for sealing the fibre exit or lower 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
    • C03B2205/82—Means for sealing the fibre exit or lower end of the furnace
    • C03B2205/83—Means for sealing the fibre exit or lower end of the furnace using gas

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)
DE69900279T 1998-07-07 1999-06-10 Zugangsöffnung für einen Ziehofen für optische Fasern Expired - Fee Related DE69900279T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/111,234 US5974838A (en) 1998-07-07 1998-07-07 Optical fiber graphite furnace featuring an automatic shutter door system for feeding an optical preform

Publications (2)

Publication Number Publication Date
DE69900279D1 DE69900279D1 (de) 2001-10-18
DE69900279T2 true DE69900279T2 (de) 2002-06-13

Family

ID=22337309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69900279T Expired - Fee Related DE69900279T2 (de) 1998-07-07 1999-06-10 Zugangsöffnung für einen Ziehofen für optische Fasern

Country Status (5)

Country Link
US (1) US5974838A (de)
EP (1) EP0970925B1 (de)
CN (1) CN1100012C (de)
BR (1) BR9803752A (de)
DE (1) DE69900279T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2004161545A (ja) * 2002-11-13 2004-06-10 Sumitomo Electric Ind Ltd 光ファイバの線引き方法及び線引き装置
US10773990B2 (en) * 2016-10-21 2020-09-15 Corning Incorporated Purge device for an optical fiber draw system
USD841429S1 (en) * 2016-11-15 2019-02-26 Albert Jagger Limited Shuttle for a shutter door system
EP3832363A1 (de) * 2019-12-03 2021-06-09 ASML Netherlands B.V. Vorrichtung und verfahren zur verbindung einer faservorform mit einem druckversorgungssystem

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373007A (en) * 1965-11-12 1968-03-12 Owens Corning Fiberglass Corp Method and means for controlling internal furnace pressures
GB1523595A (en) * 1975-10-31 1978-09-06 Nat Res Dev Electrical resistance furnaces
US4383843A (en) * 1981-09-16 1983-05-17 Western Electric Company, Inc. Methods of and apparatus for heating a preform from which lightguide fiber is drawn
JPS60155541A (ja) * 1984-01-23 1985-08-15 Furukawa Electric Co Ltd:The 光学系ガラス棒延伸用加熱炉
JPS61295248A (ja) * 1985-06-21 1986-12-26 Furukawa Electric Co Ltd:The 光フアイバ母材の製造装置
FR2606866B1 (fr) * 1986-11-17 1990-05-18 Centre Nat Rech Scient Procede et four pour le chauffage d'un materiau et application au chauffage d'une preforme en vue de realiser son etirage sous la forme d'une fibre
AU626362B2 (en) * 1988-12-29 1992-07-30 Sumitomo Electric Industries, Ltd. Furnace for producing high purity quartz glass preform
DE3925961C2 (de) * 1989-08-05 1997-12-18 Rheydt Kabelwerk Ag Vorrichtung zum Ziehen einer Glasfaser
US5228893A (en) * 1991-11-27 1993-07-20 At&T Bell Laboratories Optical fiber tension monitoring technique
JP3175247B2 (ja) * 1991-12-16 2001-06-11 住友電気工業株式会社 光ファイバ用多孔質母材の加熱透明化方法
JPH06199536A (ja) * 1993-01-05 1994-07-19 Sumitomo Electric Ind Ltd 光ファイバの線引炉
JPH0717738A (ja) * 1993-07-01 1995-01-20 Kobe Steel Ltd ガラスファイバ用紡糸炉のシャッタ開閉方法及び装置
JPH10218633A (ja) * 1997-02-05 1998-08-18 Yazaki Corp 光ファイバの線引方法およびそのクリアランス調整装置

Also Published As

Publication number Publication date
CN1100012C (zh) 2003-01-29
CN1240772A (zh) 2000-01-12
US5974838A (en) 1999-11-02
EP0970925B1 (de) 2001-09-12
EP0970925A1 (de) 2000-01-12
DE69900279D1 (de) 2001-10-18
BR9803752A (pt) 2000-03-08

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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