JPS52121335A - Optical fiber drawing apparatus - Google Patents

Optical fiber drawing apparatus

Info

Publication number
JPS52121335A
JPS52121335A JP3780176A JP3780176A JPS52121335A JP S52121335 A JPS52121335 A JP S52121335A JP 3780176 A JP3780176 A JP 3780176A JP 3780176 A JP3780176 A JP 3780176A JP S52121335 A JPS52121335 A JP S52121335A
Authority
JP
Japan
Prior art keywords
optical fiber
drawing apparatus
fiber drawing
portions
loss
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
JP3780176A
Other languages
English (en)
Other versions
JPS5543406B2 (ja
Inventor
Tatsuo Izawa
Tadashi Miyashita
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 JP3780176A priority Critical patent/JPS52121335A/ja
Publication of JPS52121335A publication Critical patent/JPS52121335A/ja
Publication of JPS5543406B2 publication Critical patent/JPS5543406B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • 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
    • C03B37/0253—Controlling or regulating
    • 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
    • C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • C03B37/035—Drawing means, e.g. drawing drums ; Traction or tensioning devices having means for deflecting or stripping-off fibres or for removing defective parts

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)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP3780176A 1976-04-06 1976-04-06 Optical fiber drawing apparatus Granted JPS52121335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3780176A JPS52121335A (en) 1976-04-06 1976-04-06 Optical fiber drawing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3780176A JPS52121335A (en) 1976-04-06 1976-04-06 Optical fiber drawing apparatus

Publications (2)

Publication Number Publication Date
JPS52121335A true JPS52121335A (en) 1977-10-12
JPS5543406B2 JPS5543406B2 (ja) 1980-11-06

Family

ID=12507601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3780176A Granted JPS52121335A (en) 1976-04-06 1976-04-06 Optical fiber drawing apparatus

Country Status (1)

Country Link
JP (1) JPS52121335A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643528A (en) * 1979-09-19 1981-04-22 Nippon Telegr & Teleph Corp <Ntt> Continuous measuring method of optical fiber transmission characteristic
EP1595854A2 (en) * 2001-04-06 2005-11-16 Shin-Etsu Chemical Co., Ltd. Preforms and optical fibres and methods of their manufacture

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100551U (ja) * 1978-12-31 1980-07-12
JPS60185946U (ja) * 1984-05-18 1985-12-10 野田産業株式会社 家具の連結保持装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5287716U (ja) * 1975-12-25 1977-06-30
JPS5278448A (en) * 1975-12-25 1977-07-01 Nec Corp Apparatus for manufacturing optical fiber
JPS52103846U (ja) * 1976-02-04 1977-08-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5287716U (ja) * 1975-12-25 1977-06-30
JPS5278448A (en) * 1975-12-25 1977-07-01 Nec Corp Apparatus for manufacturing optical fiber
JPS52103846U (ja) * 1976-02-04 1977-08-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643528A (en) * 1979-09-19 1981-04-22 Nippon Telegr & Teleph Corp <Ntt> Continuous measuring method of optical fiber transmission characteristic
EP1595854A2 (en) * 2001-04-06 2005-11-16 Shin-Etsu Chemical Co., Ltd. Preforms and optical fibres and methods of their manufacture
EP1595854A3 (en) * 2001-04-06 2007-05-16 Shin-Etsu Chemical Co., Ltd. Preforms and optical fibres and methods of their manufacture
US7698908B2 (en) 2001-04-06 2010-04-20 Shin-Etsu Chemical Co., Ltd. Method of manufacturing a glass based material with defect removal

Also Published As

Publication number Publication date
JPS5543406B2 (ja) 1980-11-06

Similar Documents

Publication Publication Date Title
ATE31980T1 (de) Herstellung eines monomoderichtungskopplers.
BR7604549A (pt) Aparelho e processo para controle de transbordamento no estiramento de fibras de vidro
CA938092A (en) Method and apparatus for making coherent fiberscope ribbons from monofilament fibers
JPS522442A (en) Light coupler
PT66915B (en) Process and apparatus for draw forming glass fibers
JPS52121335A (en) Optical fiber drawing apparatus
JPS53144348A (en) Preparation of optical fiber end parts
JPS51139344A (en) Method of connecting optical fiber core contained in a pipe
JPS53125038A (en) Production of optical fiber
JPS5237443A (en) Junction part of optical fiber cables and process for connection there of
JPS522441A (en) Method of adjusting optical parts
YU37370B (en) Process for complete bleaching of cellulose in several steps with low chlorine consumption
JPS5221426A (en) Process and an apparatus for producing glass fiber rovings
JPS5278448A (en) Apparatus for manufacturing optical fiber
JPS5278450A (en) Continuous process for producing optical glass fibers
JPS5424040A (en) Optical fiber cable and method and apparatus for production of the same
JPS51143341A (en) Method for connecting an optical fiber
JPS5398857A (en) Measurement method and apparatus of v value of optical fiber
JPS5264940A (en) Optical fiber communication system
JPS5278449A (en) Apparatus for producing optical fiber materials
JPS5289933A (en) Spinning method for optical fibers
JPS5353348A (en) Optical fiber length measuring method and apparatus
JPS5224546A (en) Monitor device for optical fibers
JPS52122134A (en) Production of optical fibers
JPS51134639A (en) Optical fiber coupling method