KR970007405A - 광파이버와이어드로잉로 - Google Patents
광파이버와이어드로잉로 Download PDFInfo
- Publication number
- KR970007405A KR970007405A KR1019960027207A KR19960027207A KR970007405A KR 970007405 A KR970007405 A KR 970007405A KR 1019960027207 A KR1019960027207 A KR 1019960027207A KR 19960027207 A KR19960027207 A KR 19960027207A KR 970007405 A KR970007405 A KR 970007405A
- Authority
- KR
- South Korea
- Prior art keywords
- heater
- optical fiber
- electrode
- wire drawing
- fiber wire
- 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.)
- Granted
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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
-
- 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
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)
- Resistance Heating (AREA)
Abstract
Description
Claims (13)
- 광파이버용 모재가 공급되는 노심관과, 이 노심관을 둘러싸는 히터와, 이 히터로부터 돌출하는 복수의 전극접속부와, 이들 전극접속부에 연결되는 동시에 전원에 접속되는 복수의 전극부를 가진 광파이버와이어드로잉로에 있어서, 상기 히터의 둘레방향을 따른 온도 분포를 균일화시키는 균일화수단을 설치한 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항에 있어서, 상기 균일화수단은, 상기 히터의 둘레방향을 따른 상기 히터의 전류경로의 단면적의 변경에 의한 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 또는 제2항에 있어서, 상기 균일화수단은, 상기 히터의 긴쪽방향의 통로길이의 그 둘레방향을 따른 변경에 의한 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제3항의 어느 한 항에 있어서, 상기 균일한 수단은, 상기 히터의 둘레방향을 따라서 대략 등가격으로 2의 정수배 배설한 상기 전극부와, 상기 히터의 둘레방향을 따라서 대략 등간격으로 4 이상의 2의 정수배 배설한 상기 전극접속부를 가진 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제4항의 어느 한 항에 있어서, 상기 전원은, 단상교류인 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제3항의 어느 한 항에 있어서, 상기 균일화수단은, 상기 히터의 둘레방향을 따라서 대략 등간격으로 2의 정수배 배설한 상기 전극부와, 상기 히터의 둘레방향을 따라서 대략 등간격으로 3의 정수배 배설한 상기 전극접속부를 가지고, 상기 전원은, 3상 교류인 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제6항의 어느 한 항에 있어서, 복수의 상기 전극접속부에는, 각각 상기 전극부가 하나하나 연결되어 있는 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제5항의 어느 한 항에 있어서, 상기 균일화수단은, 2개의 상기 전극부와, 4 이상의 2의 정수배의 상기 전극접소부와, 이들 전극접속부를 반수씩 연결하는 2개의 연결지그를 가지고, 각 연결지그에는 각각 상기 전극부가 연결되어 있는 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제5항의 어느 한 항에, 혹은 제7항 또는 제8항에 있어서, 한쪽의 상기 전극부로부터 다른쪽의 상기 전극부에 이르는 복수의 전류경로의 전기저항치를 모두 동등하게 설정한 것을 특징으로 하는 광파이버와이어드로잉로.
- 제1항 내지 제9항의 어느 한 항에 있어서, 상기 히터는, 흑연제인 것을 특징으로 하는 광파이버와이어드로잉로.
- 광파이버용 모재가 공급되는 노심관과, 이 노심관을 둘러싸는 내측히터와, 이 내측히터를 사이에두고 대향하도록 당해 내측히터에 돌출형성되고, 또한 1쌍의 전극부를 개재해서 전원에 접속하는 1쌍의 내측전극접속부와, 상기 내측히터를 둘러싸는 외측히터와, 상기 1상의 내측전극부의 대향방향에 대해서 교차하는 방향으로 상기 외측히터를 사이에 두고 대향하도록 이 외측히터에 돌출형성되고, 또한 1쌍의 전극부를 개재해서 전원에 접속하는 1쌍의 외측전극접속부를 구비한 것을 특징으로 하는 광파이버와이어드로잉로.
- 제11항에 있어서, 상기 히터의 둘레방향을 따른 상기 히터의 전류경로의 단면적을 변경해 있는 것을 특징으로 하는 광파이버와이어드로잉로.
- 제11항 또는 제12항에 있어서, 상기 히터의 긴쪽방향의 통로길이를 그 둘레방향을 따라서 변경해 있는 것을 특징으로 하는 광파이버와이어드로잉로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16993095 | 1995-07-05 | ||
| JP95-169930 | 1995-07-05 | ||
| JP01528096A JP3314906B2 (ja) | 1995-07-05 | 1996-01-31 | 光ファイバ線引き炉 |
| JP96-15280 | 1996-01-31 | ||
| JP95-15280 | 1996-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970007405A true KR970007405A (ko) | 1997-02-21 |
| KR100287931B1 KR100287931B1 (ko) | 2001-05-02 |
Family
ID=26351400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960027207A Expired - Fee Related KR100287931B1 (ko) | 1995-07-05 | 1996-07-05 | 광파이버와이어드로잉로 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6546760B1 (ko) |
| EP (1) | EP0752393B1 (ko) |
| JP (1) | JP3314906B2 (ko) |
| KR (1) | KR100287931B1 (ko) |
| CN (1) | CN1105089C (ko) |
| AU (1) | AU718301B2 (ko) |
| DE (1) | DE69604974T2 (ko) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6883975B2 (en) * | 2001-02-12 | 2005-04-26 | Polymicro Technologies, Inc. | Connector ferrule and method of sealing |
| JP4113694B2 (ja) | 2001-08-16 | 2008-07-09 | 株式会社神戸製鋼所 | 光ファイバ母材加熱炉およびその加熱方法 |
| CN1331654C (zh) * | 2004-12-31 | 2007-08-15 | 中国科学院西安光学精密机械研究所 | 聚合物光子晶体光纤预制棒的拉丝设备 |
| JP5255306B2 (ja) * | 2008-03-27 | 2013-08-07 | 古河電気工業株式会社 | 光ファイバの線引方法 |
| CN102649622B (zh) * | 2011-02-28 | 2016-03-16 | 住友电气工业株式会社 | 光纤拉丝方法以及拉丝装置 |
| JP5828232B2 (ja) * | 2011-06-29 | 2015-12-02 | 住友電気工業株式会社 | ガラス母材用加熱炉 |
| WO2013105302A1 (ja) * | 2012-01-10 | 2013-07-18 | 住友電気工業株式会社 | 光ファイバの製造方法および製造装置並びに光ファイバ |
| CN102660809A (zh) * | 2012-03-21 | 2012-09-12 | 上海联川自动化科技有限公司 | 单端固定的新型石墨加热器 |
| JP5557866B2 (ja) * | 2012-03-30 | 2014-07-23 | 株式会社フジクラ | 光ファイバ母材加熱用ヒータ |
| US20160174302A1 (en) * | 2013-07-15 | 2016-06-16 | Momentive Performance Materials Inc. | Coated graphite heater configuration |
| JP6405122B2 (ja) * | 2014-06-03 | 2018-10-17 | イビデン株式会社 | カーボンヒータ、ヒータユニット、焼成炉及び珪素含有多孔質セラミック焼成体の製造方法 |
| CN104180670A (zh) * | 2014-08-28 | 2014-12-03 | 南京理工大学连云港研究院 | 一种环形串联式石墨棒加热装置 |
| US10574021B2 (en) | 2016-05-13 | 2020-02-25 | Corning Incorporated | Optical tube waveguide lasing medium and related method |
| CN109155499A (zh) * | 2016-05-13 | 2019-01-04 | 康宁股份有限公司 | 光学管波导发射激光介质以及相关方法 |
| CN106757375A (zh) * | 2016-12-23 | 2017-05-31 | 昆明沃特尔机电设备有限公司 | 一种有效防止炉膛冷点的加热模块 |
| CN107690206B (zh) * | 2017-08-21 | 2021-05-04 | 宁波柔碳电子科技有限公司 | 一种加热电极结构和加热装置 |
| NL2020854B1 (en) * | 2018-03-22 | 2019-10-02 | Corning Inc | Method and apparatus for suppressing flow instabilities in an optical fiber draw system |
| NL2020974B1 (en) * | 2018-05-23 | 2019-12-02 | Draka Comteq Bv | A device, system and method for forming a core rod for optical fibers |
| CN111348826B (zh) * | 2020-04-29 | 2024-05-07 | 上海煜志科技有限公司 | 光纤拉丝炉 |
| KR102553481B1 (ko) * | 2020-12-24 | 2023-07-10 | 대한광통신(주) | 인접한 도전체 사이에서의 아크 방전 발생이 억제된 카본 히터 |
| CN113133140A (zh) * | 2021-04-27 | 2021-07-16 | 天津津海磁业有限公司 | 一种高效石墨加热器 |
| DE102021207621A1 (de) * | 2021-07-16 | 2023-01-19 | centrotherm international AG | Heizelement |
| CN116222236A (zh) * | 2023-03-28 | 2023-06-06 | 拉普拉斯新能源科技股份有限公司 | 烧结炉 |
| CN120247399B (zh) * | 2025-04-17 | 2025-11-07 | 四川通光光纤有限公司 | 高频光纤拉丝感应炉 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52110927A (en) | 1976-03-16 | 1977-09-17 | Fujikura Ltd | Furnace for glass fiber |
| JPS52110926A (en) | 1976-03-16 | 1977-09-17 | Fujikura Ltd | Method of fixing heater element in furnace |
| IT1072240B (it) | 1976-12-17 | 1985-04-10 | Cselt Centro Studi Lab Telecom | Fornace elettrica ad elemento resistivo in grafite solida in atmosfera inerte |
| US4547644A (en) * | 1984-02-24 | 1985-10-15 | At&T Technologies, Inc. | Apparatus for heating a preform from which lightguide fiber is drawn |
| US4578098A (en) * | 1984-06-15 | 1986-03-25 | At&T Technologies, Inc. | Apparatus for controlling lightguide fiber tension during drawing |
| JPS6227837A (ja) * | 1985-07-30 | 1987-02-05 | Nec Corp | 主記憶アクセス方式 |
| JPS6235828A (ja) * | 1985-08-09 | 1987-02-16 | Toshiba Mach Co Ltd | タブレツト搬送装置 |
| US4755658A (en) * | 1985-11-12 | 1988-07-05 | Ultra Carbon Corporation | Segmented heater system |
| JPH0725565B2 (ja) | 1986-06-27 | 1995-03-22 | 日本電信電話株式会社 | 光フアイバ線引き装置 |
| JPH0196042A (ja) | 1987-10-09 | 1989-04-14 | Fujikura Ltd | 光フアイバプリフォームの紡糸装置 |
| JPH06227837A (ja) | 1993-02-02 | 1994-08-16 | Fujikura Ltd | 光ファイバ紡糸用加熱炉 |
| JPH06235828A (ja) | 1993-02-10 | 1994-08-23 | Sumitomo Electric Ind Ltd | 光ファイバ母材延伸用加熱炉 |
| JPH07109143A (ja) | 1993-05-25 | 1995-04-25 | Fujikura Ltd | 光ファイバ用紡糸炉 |
| JPH07206464A (ja) | 1994-01-24 | 1995-08-08 | Furukawa Electric Co Ltd:The | 光ファイバ用線引加熱炉 |
| JPH089143A (ja) * | 1994-06-16 | 1996-01-12 | Tec Corp | 画像読取装置 |
| JP3377131B2 (ja) | 1994-08-12 | 2003-02-17 | 住友電気工業株式会社 | 光ファイバ線引炉およびこれに用いるヒータ |
-
1996
- 1996-01-31 JP JP01528096A patent/JP3314906B2/ja not_active Expired - Fee Related
- 1996-07-03 US US08/674,865 patent/US6546760B1/en not_active Expired - Fee Related
- 1996-07-04 CN CN96111714A patent/CN1105089C/zh not_active Expired - Fee Related
- 1996-07-04 AU AU58341/96A patent/AU718301B2/en not_active Ceased
- 1996-07-04 EP EP96110823A patent/EP0752393B1/en not_active Expired - Lifetime
- 1996-07-04 DE DE69604974T patent/DE69604974T2/de not_active Expired - Fee Related
- 1996-07-05 KR KR1019960027207A patent/KR100287931B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1105089C (zh) | 2003-04-09 |
| JPH0971433A (ja) | 1997-03-18 |
| AU718301B2 (en) | 2000-04-13 |
| US6546760B1 (en) | 2003-04-15 |
| DE69604974D1 (de) | 1999-12-09 |
| CN1148033A (zh) | 1997-04-23 |
| EP0752393A1 (en) | 1997-01-08 |
| EP0752393B1 (en) | 1999-11-03 |
| KR100287931B1 (ko) | 2001-05-02 |
| DE69604974T2 (de) | 2000-04-13 |
| AU5834196A (en) | 1997-01-16 |
| JP3314906B2 (ja) | 2002-08-19 |
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