JPS53133044A - Production of optical fiber and device for the same - Google Patents

Production of optical fiber and device for the same

Info

Publication number
JPS53133044A
JPS53133044A JP4764177A JP4764177A JPS53133044A JP S53133044 A JPS53133044 A JP S53133044A JP 4764177 A JP4764177 A JP 4764177A JP 4764177 A JP4764177 A JP 4764177A JP S53133044 A JPS53133044 A JP S53133044A
Authority
JP
Japan
Prior art keywords
optical fiber
production
same
enchance
synchronously
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
JP4764177A
Other languages
Japanese (ja)
Other versions
JPS596825B2 (en
Inventor
Susumu Hida
Toshiaki Kuroba
Yasuro Furui
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 JP4764177A priority Critical patent/JPS596825B2/en
Publication of JPS53133044A publication Critical patent/JPS53133044A/en
Publication of JPS596825B2 publication Critical patent/JPS596825B2/en
Expired 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
    • C03B37/02754—Solid fibres drawn from hollow preforms
    • 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
    • C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/08—Sub-atmospheric pressure applied, e.g. vacuum
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/14—Drawing solid optical fibre directly from a hollow preform comprising collapse of an outer tube onto an inner central solid preform rod
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/44—Monotoring or regulating the preform feed rate

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)

Abstract

PURPOSE:To considerably ease the difficulty at the working of various blank and enchance productivity by feeding the respective blanks, which are disposed coaxially, synchronously at respective speeds, into a heating atmosphere so that the internal sectional ratio of the optical fiber to be obtained may be set as desired.
JP4764177A 1977-04-25 1977-04-25 Optical fiber manufacturing method and device Expired JPS596825B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4764177A JPS596825B2 (en) 1977-04-25 1977-04-25 Optical fiber manufacturing method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4764177A JPS596825B2 (en) 1977-04-25 1977-04-25 Optical fiber manufacturing method and device

Publications (2)

Publication Number Publication Date
JPS53133044A true JPS53133044A (en) 1978-11-20
JPS596825B2 JPS596825B2 (en) 1984-02-14

Family

ID=12780857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4764177A Expired JPS596825B2 (en) 1977-04-25 1977-04-25 Optical fiber manufacturing method and device

Country Status (1)

Country Link
JP (1) JPS596825B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155535A (en) * 1983-12-27 1985-08-15 コーニング　グラス　ワークス Manufacture of optical fiber
JPS60186433A (en) * 1984-03-06 1985-09-21 Fujitsu Ltd Wiredrawing of optical fiber
US4820322A (en) * 1986-04-28 1989-04-11 American Telephone And Telegraph Company At&T Bell Laboratories Method of and apparatus for overcladding a glass rod
EP0881993A1 (en) * 1996-02-23 1998-12-09 Corning Incorporated Method of making dispersion decreasing and dispersion managed optical fiber
WO1999009437A1 (en) * 1997-08-19 1999-02-25 Pirelli Cavi E Sistemi S.P.A. Method of and apparatus for manufacturing an optical fiber preform

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155535A (en) * 1983-12-27 1985-08-15 コーニング　グラス　ワークス Manufacture of optical fiber
JPH0559051B2 (en) * 1983-12-27 1993-08-30 Corning Inc
JPS60186433A (en) * 1984-03-06 1985-09-21 Fujitsu Ltd Wiredrawing of optical fiber
JPH0225849B2 (en) * 1984-03-06 1990-06-06 Fujitsu Ltd
US4820322A (en) * 1986-04-28 1989-04-11 American Telephone And Telegraph Company At&T Bell Laboratories Method of and apparatus for overcladding a glass rod
EP0881993A1 (en) * 1996-02-23 1998-12-09 Corning Incorporated Method of making dispersion decreasing and dispersion managed optical fiber
EP0881993A4 (en) * 1996-02-23 1999-03-31 Corning Inc Method of making dispersion decreasing and dispersion managed optical fiber
WO1999009437A1 (en) * 1997-08-19 1999-02-25 Pirelli Cavi E Sistemi S.P.A. Method of and apparatus for manufacturing an optical fiber preform

Also Published As

Publication number Publication date
JPS596825B2 (en) 1984-02-14

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