JPS624333B2 - - Google Patents

Info

Publication number
JPS624333B2
JPS624333B2 JP4312583A JP4312583A JPS624333B2 JP S624333 B2 JPS624333 B2 JP S624333B2 JP 4312583 A JP4312583 A JP 4312583A JP 4312583 A JP4312583 A JP 4312583A JP S624333 B2 JPS624333 B2 JP S624333B2
Authority
JP
Japan
Prior art keywords
furnace
core tube
fiber
gas
helium
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
Application number
JP4312583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59169951A (ja
Inventor
Shigeki Sakaguchi
Shoichi Sudo
Motohiro Nakahara
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.)
NTT Inc
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 JP4312583A priority Critical patent/JPS59169951A/ja
Publication of JPS59169951A publication Critical patent/JPS59169951A/ja
Publication of JPS624333B2 publication Critical patent/JPS624333B2/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
    • C03B2205/90—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)
JP4312583A 1983-03-17 1983-03-17 光フアイバ線引き方法 Granted JPS59169951A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4312583A JPS59169951A (ja) 1983-03-17 1983-03-17 光フアイバ線引き方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4312583A JPS59169951A (ja) 1983-03-17 1983-03-17 光フアイバ線引き方法

Publications (2)

Publication Number Publication Date
JPS59169951A JPS59169951A (ja) 1984-09-26
JPS624333B2 true JPS624333B2 (cg-RX-API-DMAC10.html) 1987-01-29

Family

ID=12655119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4312583A Granted JPS59169951A (ja) 1983-03-17 1983-03-17 光フアイバ線引き方法

Country Status (1)

Country Link
JP (1) JPS59169951A (cg-RX-API-DMAC10.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0849232B1 (de) * 1996-12-17 1999-05-26 Alcatel Verfahren und Vorrichtung zum Ziehen einer optischen Faser aus einer Vorform

Also Published As

Publication number Publication date
JPS59169951A (ja) 1984-09-26

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