CN111479786B - 用于光学预成型件炉的可变直径密封件 - Google Patents

用于光学预成型件炉的可变直径密封件 Download PDF

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Publication number
CN111479786B
CN111479786B CN201880082032.7A CN201880082032A CN111479786B CN 111479786 B CN111479786 B CN 111479786B CN 201880082032 A CN201880082032 A CN 201880082032A CN 111479786 B CN111479786 B CN 111479786B
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China
Prior art keywords
support ring
fabric cylinder
cylinder
fabric
support
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CN201880082032.7A
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Chinese (zh)
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CN111479786A (zh
Inventor
C·W·波纳德
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Hollis Quartz North America Co ltd
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Hollis Quartz North America Co ltd
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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals
    • 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

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  • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Furnace Details (AREA)
CN201880082032.7A 2017-12-20 2018-12-20 用于光学预成型件炉的可变直径密封件 Active CN111479786B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762608266P 2017-12-20 2017-12-20
US62/608266 2017-12-20
PCT/US2018/066740 WO2019126461A1 (en) 2017-12-20 2018-12-20 Variable diameter seal for optical preform furnace

Publications (2)

Publication Number Publication Date
CN111479786A CN111479786A (zh) 2020-07-31
CN111479786B true CN111479786B (zh) 2022-08-02

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CN201880082032.7A Active CN111479786B (zh) 2017-12-20 2018-12-20 用于光学预成型件炉的可变直径密封件

Country Status (6)

Country Link
US (1) US11434163B2 (cg-RX-API-DMAC7.html)
EP (1) EP3728147B1 (cg-RX-API-DMAC7.html)
JP (1) JP6991337B2 (cg-RX-API-DMAC7.html)
KR (1) KR102365316B1 (cg-RX-API-DMAC7.html)
CN (1) CN111479786B (cg-RX-API-DMAC7.html)
WO (1) WO2019126461A1 (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210395132A1 (en) * 2020-06-19 2021-12-23 Sterlite Technologies Limited Optical fibre draw furnace
US12617707B2 (en) * 2023-03-29 2026-05-05 Sterlite Technologies Limited Optical fiber and a glass preform manufacturing method

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* Cited by examiner, † Cited by third party
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US4201746A (en) * 1976-12-27 1980-05-06 Monsanto Company Apparatus for zone refining
US4360499A (en) * 1981-06-22 1982-11-23 Rca Corporation Bellows assembly for crystal ribbon puller
NL8302666A (nl) 1983-07-27 1985-02-18 Philips Nv Inrichting voor het trekken van een optische vezel.
JPH0251440A (ja) * 1988-08-11 1990-02-21 Fujikura Ltd 加熱炉用上部アダプタ
DE4006839A1 (de) 1990-03-05 1991-09-12 Rheydt Kabelwerk Ag Vorrichtung zum abdichten thermisch beanspruchter zylinder
US5100449A (en) * 1990-08-16 1992-03-31 Corning Incorporated Method of forming glass articles
JPH086803B2 (ja) * 1990-11-30 1996-01-29 濱田重工株式会社 脱着式高温部シール装置
JPH08253337A (ja) 1995-03-14 1996-10-01 Furukawa Electric Co Ltd:The 光ファイバ線引き装置
NL1002514C2 (nl) 1996-03-04 1997-09-05 Fischer Georg Waga Nv Koppelinrichting.
JPH10167751A (ja) 1996-12-02 1998-06-23 Yazaki Corp 光ファイバの線引方法およびその装置
JPH11349342A (ja) * 1998-06-08 1999-12-21 Fujikura Ltd ガラスロッドの加熱処理装置及び加熱処理方法
CA2370494C (en) 1999-05-10 2008-11-25 Prysmian Cavi E Sistemi Energia S.R.L. Method and induction furnace for drawing large diameter preforms to optical fibres
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
AU2002227157A1 (en) 2000-12-14 2002-06-24 Corning Incorporated Method and apparatus for continuously manufacturing optical preform and fiber
JP4110918B2 (ja) 2002-10-23 2008-07-02 住友電気工業株式会社 光ファイバ線引き装置
JP2004142988A (ja) 2002-10-24 2004-05-20 Sumitomo Electric Ind Ltd ガラス体の加熱方法及び加熱装置
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
FI113758B (fi) 2002-12-05 2004-06-15 Nextrom Holding Sa Menetelmä ja laite optisten kuitujen valmistamiseksi
JP4404015B2 (ja) 2005-06-10 2010-01-27 日立電線株式会社 光ファイバ線引装置、該装置に用いるシール機構、及び光ファイバの線引き方法
JP2007070189A (ja) 2005-09-08 2007-03-22 Shin Etsu Chem Co Ltd 光ファイバ線引き装置及び線引き炉のシール方法
KR20070079758A (ko) 2006-02-03 2007-08-08 엘에스전선 주식회사 발열체 산화 방지를 위한 장치 및 광섬유 모재 제조용전기로
KR100970319B1 (ko) 2007-07-24 2010-07-15 신에쓰 가가꾸 고교 가부시끼가이샤 유리 모재 또는 광섬유 제조용 가열로
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
JP4817339B2 (ja) 2009-02-17 2011-11-16 信越化学工業株式会社 加熱炉のシール部材
JP5624796B2 (ja) 2010-04-30 2014-11-12 株式会社フジクラ 光ファイバ素線の製造装置及び製造方法
JP2012056815A (ja) 2010-09-10 2012-03-22 Sumitomo Electric Ind Ltd 線引き炉
WO2012033158A1 (ja) * 2010-09-10 2012-03-15 住友電気工業株式会社 光ファイバ用線引炉のシール構造
WO2012053394A1 (ja) 2010-10-19 2012-04-26 住友電気工業株式会社 光ファイバ用線引炉のシール構造
JP2012148923A (ja) * 2011-01-19 2012-08-09 Sumitomo Electric Ind Ltd 光ファイバ用線引炉のシール方法及び光ファイバの線引炉
FI125020B (fi) 2012-05-14 2015-04-30 Nextrom Oy Laitteisto
CN102838275B (zh) * 2012-08-28 2015-02-04 长飞光纤光缆股份有限公司 外径波动光纤预制棒的拉丝方法及装置
WO2014115849A1 (ja) 2013-01-24 2014-07-31 住友電気工業株式会社 光ファイバ用線引炉のシール構造、光ファイバの線引方法
CN203530137U (zh) 2013-11-05 2014-04-09 长飞光纤光缆股份有限公司 一种用于光纤拉丝炉的伸缩式密封装置
JP6421569B2 (ja) 2014-12-08 2018-11-14 住友電気工業株式会社 光ファイバ製造方法及び光ファイバ製造装置
CN104445916B (zh) * 2014-12-26 2017-05-17 江苏法尔胜光子有限公司 一种光纤拉丝用炉顶气封装置
DK3247680T3 (da) 2015-01-22 2020-03-16 Heraeus Quartz North America Llc Dannelse af langstrakte glaskomponenter med ringe bøjning under anvendelse af en gribeanordning

Also Published As

Publication number Publication date
WO2019126461A1 (en) 2019-06-27
JP6991337B2 (ja) 2022-01-12
KR20200086356A (ko) 2020-07-16
JP2021507866A (ja) 2021-02-25
US11434163B2 (en) 2022-09-06
EP3728147B1 (en) 2024-03-13
KR102365316B1 (ko) 2022-02-23
US20200369553A1 (en) 2020-11-26
CN111479786A (zh) 2020-07-31
EP3728147A1 (en) 2020-10-28

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