IN2014CN02983A - - Google Patents

Info

Publication number
IN2014CN02983A
IN2014CN02983A IN2983CHN2014A IN2014CN02983A IN 2014CN02983 A IN2014CN02983 A IN 2014CN02983A IN 2983CHN2014 A IN2983CHN2014 A IN 2983CHN2014A IN 2014CN02983 A IN2014CN02983 A IN 2014CN02983A
Authority
IN
India
Prior art keywords
temperature
temperature value
cylindrical preform
modelled
control loop
Prior art date
Application number
Other languages
English (en)
Inventor
Thomas Bernard
Harald Hain
Thomas Bogdahn
Oliver Ganz
Original Assignee
Heraeus Quarzglas
Fraunhofer Ges Forschung
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47040730&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2014CN02983(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heraeus Quarzglas, Fraunhofer Ges Forschung filed Critical Heraeus Quarzglas
Publication of IN2014CN02983A publication Critical patent/IN2014CN02983A/en

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
    • C03B37/0253—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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • C03B37/01242—Controlling or regulating the down-draw process
    • 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
    • C03B2205/72—Controlling or measuring the draw furnace temperature

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)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IN2983CHN2014 2011-10-25 2012-10-17 IN2014CN02983A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011116806.4A DE102011116806B4 (de) 2011-10-25 2011-10-25 Verfahren zur Herstellung eines zylinderförmigen Bauteils aus Glas durch Elongieren
PCT/EP2012/070538 WO2013060606A1 (de) 2011-10-25 2012-10-17 Verfahren zur herstellung eines zylinderförmigen bauteils aus glas durch elongieren

Publications (1)

Publication Number Publication Date
IN2014CN02983A true IN2014CN02983A (enExample) 2015-07-03

Family

ID=47040730

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2983CHN2014 IN2014CN02983A (enExample) 2011-10-25 2012-10-17

Country Status (6)

Country Link
US (1) US9221712B2 (enExample)
JP (1) JP5959655B2 (enExample)
CN (1) CN104053634B (enExample)
DE (1) DE102011116806B4 (enExample)
IN (1) IN2014CN02983A (enExample)
WO (1) WO2013060606A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107001107A (zh) 2014-10-14 2017-08-01 赫罗伊斯·坦尼沃有限公司 用于基于其粘度的预型件或管材牵拉的设备和方法
EP3112323B1 (de) 2015-07-03 2021-09-01 Heraeus Quarzglas GmbH & Co. KG Verfahren zur herstellung eines substratrohres aus quarzglas
WO2017214305A1 (en) * 2016-06-07 2017-12-14 Corning Incorporated Method and apparatus for forming glass tubing from glass preforms
US10450214B2 (en) 2016-06-10 2019-10-22 Corning Incorporated High optical quality glass tubing and method of making
US10727641B2 (en) * 2017-01-19 2020-07-28 Massachusetts Institute Of Technology Control of heating in active doped optical fiber
CN109721237B (zh) * 2017-02-15 2021-06-25 天津富通集团有限公司 光纤预制棒的生产工艺及其光纤预制棒
EP3766840B1 (de) * 2019-07-17 2024-11-20 Heraeus Quarzglas GmbH & Co. KG Verfahren zur herstellung einer hohlkernfaser und zur herstellung einer vorform für eine hohlkernfaser
CN110372177B (zh) * 2019-07-25 2020-09-11 董官献 一种led水晶灯组件的拉丝设备
EP4067315B1 (de) * 2021-03-29 2025-03-12 Heraeus Quarzglas GmbH & Co. KG Rohr aus quarzglas und verfahren zur herstellung desselben
CN113912273B (zh) * 2021-09-14 2023-06-20 宁波阳光和谱光电科技有限公司 超薄硫系玻璃的制备方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN169141B (enExample) * 1985-08-21 1991-09-07 Stc Plc
JPS63195139A (ja) * 1987-02-09 1988-08-12 Hitachi Cable Ltd ガラスロツド延伸装置
JPH064493B2 (ja) 1989-07-04 1994-01-19 旭光学工業株式会社 光学ガラス繊維の製造方法
US5079433A (en) * 1990-10-05 1992-01-07 Corning Incorporated Method for monitoring fiber tension by measuring fiber vibration frequency
US5314517A (en) 1992-12-31 1994-05-24 Corning Incorporated Method controlling the draw rate in the drawing of a glass feedstock
US5443610A (en) * 1994-01-29 1995-08-22 Corning Incorporated Apparatus for controlling fiber diameter during drawing
DE19536960A1 (de) 1995-10-04 1996-03-21 Heraeus Quarzglas Verfahren und Vorrichtung zum Herstellen eines Bauteils aus Glas durch Ziehen aus einem Rohling
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
DE19856892C2 (de) 1998-12-10 2001-03-15 Heraeus Quarzglas Verfahren zur Herstellung eines Rohres aus glasigem Werkstoff, insbesondere aus Quarzglas
JP3017491B1 (ja) * 1999-02-10 2000-03-06 信越化学工業株式会社 光ファイバ―用ガラス母材延伸装置
JP3901877B2 (ja) * 1999-07-01 2007-04-04 信越化学工業株式会社 ガラス母材延伸装置及び方法
JP4082326B2 (ja) * 2003-10-02 2008-04-30 住友電気工業株式会社 被加熱物品の表面温度測定方法、これを用いた加熱方法、及び光ファイバプリフォームの製造方法
JP4022769B2 (ja) 2003-11-20 2007-12-19 住友電気工業株式会社 ガラスパイプ加工方法
US7805963B2 (en) 2004-03-04 2010-10-05 Quantum Quartz, Llc Method for continuously forming optical fiber connector glass and other close tolerance components
JP5476778B2 (ja) * 2009-04-16 2014-04-23 住友電気工業株式会社 光ファイバ用ガラス母材の延伸方法

Also Published As

Publication number Publication date
CN104053634B (zh) 2016-08-24
CN104053634A (zh) 2014-09-17
JP2014532610A (ja) 2014-12-08
DE102011116806A1 (de) 2013-04-25
DE102011116806B4 (de) 2025-01-16
US9221712B2 (en) 2015-12-29
US20140245796A1 (en) 2014-09-04
JP5959655B2 (ja) 2016-08-02
WO2013060606A1 (de) 2013-05-02

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