JPH0225850B2 - - Google Patents

Info

Publication number
JPH0225850B2
JPH0225850B2 JP59073710A JP7371084A JPH0225850B2 JP H0225850 B2 JPH0225850 B2 JP H0225850B2 JP 59073710 A JP59073710 A JP 59073710A JP 7371084 A JP7371084 A JP 7371084A JP H0225850 B2 JPH0225850 B2 JP H0225850B2
Authority
JP
Japan
Prior art keywords
optical fiber
oxygen
increase
loss
hydrogen gas
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
JP59073710A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60221337A (ja
Inventor
Kazuo Sanada
Takeru Fukuda
Motohiro Nakahara
Nobuo Inagaki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP59073710A priority Critical patent/JPS60221337A/ja
Publication of JPS60221337A publication Critical patent/JPS60221337A/ja
Publication of JPH0225850B2 publication Critical patent/JPH0225850B2/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
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/56—Annealing or re-heating the drawn fibre prior to coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
JP59073710A 1984-04-12 1984-04-12 光フアイバの製造方法 Granted JPS60221337A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59073710A JPS60221337A (ja) 1984-04-12 1984-04-12 光フアイバの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59073710A JPS60221337A (ja) 1984-04-12 1984-04-12 光フアイバの製造方法

Publications (2)

Publication Number Publication Date
JPS60221337A JPS60221337A (ja) 1985-11-06
JPH0225850B2 true JPH0225850B2 (enrdf_load_stackoverflow) 1990-06-06

Family

ID=13526040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59073710A Granted JPS60221337A (ja) 1984-04-12 1984-04-12 光フアイバの製造方法

Country Status (1)

Country Link
JP (1) JPS60221337A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH062603B2 (ja) * 1985-10-01 1994-01-12 住友電気工業株式会社 光フアイバの製造方法および装置
FR2624502B1 (fr) * 1987-12-10 1990-03-23 Comp Generale Electricite Procede de fabrication de fibre optique a resistance mecanique elevee par etirage sous forte tension
JPH06656B2 (ja) * 1989-04-28 1994-01-05 株式会社フジクラ 耐放射線性光ファイバの製造法
JPH0459631A (ja) * 1990-06-27 1992-02-26 Sumitomo Electric Ind Ltd 光ファイバの線引方法
DE19727574A1 (de) * 1997-06-28 1999-01-07 Alsthom Cge Alcatel Vorrichtung und Verfahren zur Regelung der Beschichtungsdicke einer optischen Faser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947630U (ja) * 1982-09-20 1984-03-29 日本電信電話株式会社 光フアイバ線引き装置

Also Published As

Publication number Publication date
JPS60221337A (ja) 1985-11-06

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