JPS5520260A - Continuously producing apparatus for optical fiber base material - Google Patents

Continuously producing apparatus for optical fiber base material

Info

Publication number
JPS5520260A
JPS5520260A JP9310578A JP9310578A JPS5520260A JP S5520260 A JPS5520260 A JP S5520260A JP 9310578 A JP9310578 A JP 9310578A JP 9310578 A JP9310578 A JP 9310578A JP S5520260 A JPS5520260 A JP S5520260A
Authority
JP
Japan
Prior art keywords
base material
motor
unit
change
diameter
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
Application number
JP9310578A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120493B2 (fr
Inventor
Fumiaki Hanawa
Shoichi Sudo
Kazunori Senda
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 JP9310578A priority Critical patent/JPS5520260A/ja
Publication of JPS5520260A publication Critical patent/JPS5520260A/ja
Publication of JPS6120493B2 publication Critical patent/JPS6120493B2/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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01257—Heating devices therefor
    • 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP9310578A 1978-08-01 1978-08-01 Continuously producing apparatus for optical fiber base material Granted JPS5520260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9310578A JPS5520260A (en) 1978-08-01 1978-08-01 Continuously producing apparatus for optical fiber base material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9310578A JPS5520260A (en) 1978-08-01 1978-08-01 Continuously producing apparatus for optical fiber base material

Publications (2)

Publication Number Publication Date
JPS5520260A true JPS5520260A (en) 1980-02-13
JPS6120493B2 JPS6120493B2 (fr) 1986-05-22

Family

ID=14073236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9310578A Granted JPS5520260A (en) 1978-08-01 1978-08-01 Continuously producing apparatus for optical fiber base material

Country Status (1)

Country Link
JP (1) JPS5520260A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6296336A (ja) * 1985-10-21 1987-05-02 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ母材の製造方法
EP0542724A2 (fr) * 1987-02-16 1993-05-19 Sumitomo Electric Industries Limited Four pour le chauffage d'une préforme en verre et procédé de fabrication d'une préforme en verre
FR2802916A1 (fr) * 1999-12-27 2001-06-29 Cit Alcatel Agencement d'entree de preforme pour four de tirage de fibre optique, four dote d'un tel agencement et preforme equipee pour cooperer avec cet agencement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6296336A (ja) * 1985-10-21 1987-05-02 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ母材の製造方法
JPH0583500B2 (fr) * 1985-10-21 1993-11-26 Nippon Telegraph & Telephone
EP0542724A2 (fr) * 1987-02-16 1993-05-19 Sumitomo Electric Industries Limited Four pour le chauffage d'une préforme en verre et procédé de fabrication d'une préforme en verre
FR2802916A1 (fr) * 1999-12-27 2001-06-29 Cit Alcatel Agencement d'entree de preforme pour four de tirage de fibre optique, four dote d'un tel agencement et preforme equipee pour cooperer avec cet agencement
EP1112978A1 (fr) * 1999-12-27 2001-07-04 Alcatel Agencement d'entrée de préforme pour four de tirage de fibre optique et four doté d'un tel agencement

Also Published As

Publication number Publication date
JPS6120493B2 (fr) 1986-05-22

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