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
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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011116806A DE102011116806A1 (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 (ja) | 2015-07-03 |
Family
ID=47040730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN2983CHN2014 IN2014CN02983A (ja) | 2011-10-25 | 2012-10-17 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9221712B2 (ja) |
JP (1) | JP5959655B2 (ja) |
CN (1) | CN104053634B (ja) |
DE (1) | DE102011116806A1 (ja) |
IN (1) | IN2014CN02983A (ja) |
WO (1) | WO2013060606A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102365314B1 (ko) | 2014-10-14 | 2022-02-22 | 헤래우스 쿼츠 노쓰 아메리카 엘엘씨 | 모재 또는 튜브의 점성에 기초한 그것의 인발을 위한 장치 및 방법 |
EP3112323B1 (de) | 2015-07-03 | 2021-09-01 | Heraeus Quarzglas GmbH & Co. KG | Verfahren zur herstellung eines substratrohres aus quarzglas |
MX2018015161A (es) * | 2016-06-07 | 2019-08-16 | Corning Inc | Método y aparato para formar tubería de vidrio a partir de preformas de vidrio. |
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 |
CN106904821B (zh) * | 2017-02-15 | 2019-03-22 | 天津富通集团有限公司 | 大尺寸光纤预制棒的生产工艺及其大尺寸光纤预制棒 |
CN111377597B (zh) * | 2019-07-25 | 2022-10-04 | 杭州优固光电有限公司 | 一种用于水晶灯生产加工的拉丝设备 |
EP4067315A1 (de) * | 2021-03-29 | 2022-10-05 | 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 (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN169141B (ja) * | 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 |
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 |
-
2011
- 2011-10-25 DE DE102011116806A patent/DE102011116806A1/de active Pending
-
2012
- 2012-10-17 JP JP2014537559A patent/JP5959655B2/ja active Active
- 2012-10-17 WO PCT/EP2012/070538 patent/WO2013060606A1/de active Application Filing
- 2012-10-17 IN IN2983CHN2014 patent/IN2014CN02983A/en unknown
- 2012-10-17 US US14/354,130 patent/US9221712B2/en active Active
- 2012-10-17 CN CN201280052658.6A patent/CN104053634B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US9221712B2 (en) | 2015-12-29 |
US20140245796A1 (en) | 2014-09-04 |
CN104053634B (zh) | 2016-08-24 |
WO2013060606A1 (de) | 2013-05-02 |
JP5959655B2 (ja) | 2016-08-02 |
JP2014532610A (ja) | 2014-12-08 |
CN104053634A (zh) | 2014-09-17 |
DE102011116806A1 (de) | 2013-04-25 |
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