KR890012895A - 광파이버 와이어드로우잉로 - Google Patents

광파이버 와이어드로우잉로 Download PDF

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Publication number
KR890012895A
KR890012895A KR1019890001422A KR890001422A KR890012895A KR 890012895 A KR890012895 A KR 890012895A KR 1019890001422 A KR1019890001422 A KR 1019890001422A KR 890001422 A KR890001422 A KR 890001422A KR 890012895 A KR890012895 A KR 890012895A
Authority
KR
South Korea
Prior art keywords
optical fiber
wire drawing
opening
drawing furnace
fiber wire
Prior art date
Application number
KR1019890001422A
Other languages
English (en)
Other versions
KR920000875B1 (ko
Inventor
이찌로 요시무라
히로아끼 다끼모도
시게루 이또오
Original Assignee
나까하라 쯔네오
스미도모덴기고오교오 가부시기가이샤
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
Priority claimed from JP63039686A external-priority patent/JP2808596B2/ja
Application filed by 나까하라 쯔네오, 스미도모덴기고오교오 가부시기가이샤 filed Critical 나까하라 쯔네오
Publication of KR890012895A publication Critical patent/KR890012895A/ko
Application granted granted Critical
Publication of KR920000875B1 publication Critical patent/KR920000875B1/ko

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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
    • 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
    • C03B2205/62—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
    • C03B2205/80—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
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles

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)

Abstract

내용 없음.

Description

광파이버 와이어드로우잉로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예에 관한 광파이버 와이어드로우잉로를 표시한 단면도.
제2도는 동 광파이버 와이어드로우잉로의 셔터를 도시한 평면도.
제3도는 본 발명의 제2실시예에 관한 광파이버 와이어드로우잉로의 셔터를 표시한 평면도.

Claims (5)

  1. 막대형상의 광파이버용 유리모재를 불활성가스 분위기속에서 가열연화시키면서 연신하여 광파이버로 와이어드로우잉하는 로로서, 노본체의 상부로부터 불활성가스를 도입하는 동시에, 하부개구부에 광파이어의 출구를 가진 셔터를 착설하여 이루어진 광파이버 와이어드로우잉로에 있어서, 상기 셔터가 가스를 노본체 밖으로 배출하는 개구부를 형성한 것을 특징으로 하는 광파이버 와이어드로우잉로.
  2. 제1항에 있어서, 상기 개구부는, 광파이버의 출구를 중심으로하여 동심원상에 배치한 복수개의 구멍으로 이루어진 것을 특징으로 하는 광파이버 와이어드로우잉로.
  3. 제1항에 있어서, 상기 개구부는, 광파이버의 출구를 중심으로하여 동심원상에 배설한 그물로 이루어진 것을 특징으로 하는 광파이버 와이어드로우잉로.
  4. 제1항에 있어서, 상기 개구부는, 노본체의 하부개구부의 하면과 셔터의 상면으로 형성한 틈으로 이루어진 것을 특징으로 하는 광파이버 와이어드로우잉로.
  5. 제1항에 있어서, 상기 개구부는, 노본체의 하부개구부의 하면과 셔터의 상면으로 형성한 틈으로 이루어진 것을 특징으로 하는 광파이버 와이어드로우잉로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890001422A 1988-02-24 1989-02-08 광파이버 와이어드로우잉로 KR920000875B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-39686 1988-02-24
JP63039686A JP2808596B2 (ja) 1987-09-01 1988-02-24 光ファイバ線引き炉

Publications (2)

Publication Number Publication Date
KR890012895A true KR890012895A (ko) 1989-09-20
KR920000875B1 KR920000875B1 (ko) 1992-01-30

Family

ID=12559950

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890001422A KR920000875B1 (ko) 1988-02-24 1989-02-08 광파이버 와이어드로우잉로

Country Status (3)

Country Link
EP (1) EP0329898A3 (ko)
KR (1) KR920000875B1 (ko)
AU (1) AU605656B2 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5284499A (en) * 1992-05-01 1994-02-08 Corning Incorporated Method and apparatus for drawing optical fibers
DE4339077C2 (de) * 1993-11-16 1997-03-06 Rheydt Kabelwerk Ag Verfahren zum Ziehen einer optischen Faser und Vorrichtung zu dessen Durchführung
CN1207226C (zh) 1999-05-10 2005-06-22 皮雷利·卡维系统有限公司 将大直径预型件拉成光纤的方法和感应炉
NL1013583C2 (nl) * 1999-11-16 2001-05-17 Plasma Optical Fibre Bv Inrichting en werkwijze voor het uit een voorvorm trekken van optische vezels.
CN113716858A (zh) * 2020-05-25 2021-11-30 中天科技精密材料有限公司 烧结设备及烧结方法
CN112592048B (zh) * 2020-11-25 2022-08-16 通鼎互联信息股份有限公司 一种光纤拉丝炉用石墨件结构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328730A (en) * 1976-08-20 1978-03-17 Nippon Telegr & Teleph Corp <Ntt> Furnace for glass fiber spinning
JPS5930660B2 (ja) * 1977-01-05 1984-07-28 株式会社日立製作所 光ファイバの線引き方法および装置
JPS58104032A (ja) * 1981-12-10 1983-06-21 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ紡糸用加熱炉
JPS58223630A (ja) * 1982-06-21 1983-12-26 Hitachi Cable Ltd 偏波面保存光フアイバの製法
NL8203843A (nl) * 1982-10-04 1984-05-01 Philips Nv Werkwijze en inrichting voor het trekken van een optische vezel uit een vaste voorvorm die in hoofdzaak uit sio2 en gedoteerd sio2 bestaat.
JPS59217641A (ja) * 1983-05-23 1984-12-07 Furukawa Electric Co Ltd:The 光フアイバ線引装置の加熱炉
JPS60137841A (ja) * 1983-12-22 1985-07-22 Sumitomo Electric Ind Ltd 光フアイバ線引炉
JPH0686304B2 (ja) * 1986-08-07 1994-11-02 住友電気工業株式会社 ガラス棒延伸用加熱装置
DE3731347A1 (de) * 1987-09-18 1989-03-30 Licentia Gmbh Vorrichtung zum ziehen eines lichtwellenleiters

Also Published As

Publication number Publication date
EP0329898A3 (en) 1990-07-04
EP0329898A2 (en) 1989-08-30
AU605656B2 (en) 1991-01-17
KR920000875B1 (ko) 1992-01-30
AU2659988A (en) 1989-08-24

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