JPH0478570B2 - - Google Patents

Info

Publication number
JPH0478570B2
JPH0478570B2 JP24237188A JP24237188A JPH0478570B2 JP H0478570 B2 JPH0478570 B2 JP H0478570B2 JP 24237188 A JP24237188 A JP 24237188A JP 24237188 A JP24237188 A JP 24237188A JP H0478570 B2 JPH0478570 B2 JP H0478570B2
Authority
JP
Japan
Prior art keywords
optical fiber
furnace
nozzle
gas
gas supply
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.)
Expired - Lifetime
Application number
JP24237188A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0292838A (ja
Inventor
Yasuhiro Naka
Yukio Komura
Hisashi Koaizawa
Keigo Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
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
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP24237188A priority Critical patent/JPH0292838A/ja
Publication of JPH0292838A publication Critical patent/JPH0292838A/ja
Publication of JPH0478570B2 publication Critical patent/JPH0478570B2/ja
Granted legal-status Critical Current

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
    • 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
    • C03B2205/98—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 using annular gas inlet distributors

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)
JP24237188A 1988-09-29 1988-09-29 光ファイバ線引用加熱炉 Granted JPH0292838A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24237188A JPH0292838A (ja) 1988-09-29 1988-09-29 光ファイバ線引用加熱炉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24237188A JPH0292838A (ja) 1988-09-29 1988-09-29 光ファイバ線引用加熱炉

Publications (2)

Publication Number Publication Date
JPH0292838A JPH0292838A (ja) 1990-04-03
JPH0478570B2 true JPH0478570B2 (en, 2012) 1992-12-11

Family

ID=17088182

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24237188A Granted JPH0292838A (ja) 1988-09-29 1988-09-29 光ファイバ線引用加熱炉

Country Status (1)

Country Link
JP (1) JPH0292838A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3481466B2 (ja) 1997-07-24 2003-12-22 古河電気工業株式会社 光ファイバ線引炉、およびそれを用いた光ファイバ線引方法
JP5229827B2 (ja) * 2009-03-30 2013-07-03 東洋ガラス株式会社 Ｇｒｉｎレンズ・ファイバの線引き方法
JP2013035742A (ja) * 2011-07-08 2013-02-21 Sumitomo Electric Ind Ltd 光ファイバの線引装置および線引方法

Also Published As

Publication number Publication date
JPH0292838A (ja) 1990-04-03

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