ES8500611A1 - "un metodo mejorado de calentamiento para la obtencion de una fibra optica por estirado de una preforma" - Google Patents

"un metodo mejorado de calentamiento para la obtencion de una fibra optica por estirado de una preforma"

Info

Publication number
ES8500611A1
ES8500611A1 ES523564A ES523564A ES8500611A1 ES 8500611 A1 ES8500611 A1 ES 8500611A1 ES 523564 A ES523564 A ES 523564A ES 523564 A ES523564 A ES 523564A ES 8500611 A1 ES8500611 A1 ES 8500611A1
Authority
ES
Spain
Prior art keywords
plasma
heating zone
drawn
induced
plasma torch
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
ES523564A
Other languages
English (en)
Other versions
ES523564A0 (es
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES523564A0 publication Critical patent/ES523564A0/es
Publication of ES8500611A1 publication Critical patent/ES8500611A1/es
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
    • C03B37/02718—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
    • 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
    • C03B2205/62—Heating means for drawing
    • C03B2205/68—Hot gas, e.g. plasma, flame, burner

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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Paper (AREA)

Abstract

METODO MEJORADO DE CALENTAMIENTO PARA LAOBTENCION DE UNA FIBRA OPTICA POR ESTIRADO DE UNA PREFORMA.COMPRENDE VARIAS ETAPAS: A) MANTENIMIENTO, EN UNA ZONA DE CALENTAMIENTO QUE RODEA A LA PARTE DE LA PREFORMA (23) DE LA QUE SE VA A OBTENER LA FIBRA (22) EN LA OPERACION DE ESTIRADO, DE UNA ATMOSFERA DE UN MEDIO GASEOSO (41) DE FORMACION DE FORMACION DE PLASMA (31); B) FORMACION DE UNA CORRIENTE ANULAR (49) DEL MEDIO GASEOSO (41) DE FORMACION DE PLASMA (31) QUE PASE POR LA ZONA DE CALENTAMIENTO; C) EXCITACION DE LA ATMOSFERA QUE SE TIENE EN LA ZONA DE CALENTAMIENTO DE UN PLASMA DE FORMA ANULAR (49) QUE RODEA CIRCULARMENTE A LA PARTE DE PREFORMA (23); D) PASAR CONCENTRICAMENTE ALREDEDOR DEL PLASMA (31) UNA CORRIENTE ANULAR (50) DE UN MEDIO GASEOSO DE PROTECCION; E) INTRODUCCION (42) EN LA ZONA DE CALENTAMIENTO DE UN GASREFRIGERANTE (51) CONCENTRICAMENTE A LA PARTE DE LA PREFORMA (23), CON ELLO SE CONSIGUE UNA FIBRA ESTIRADA (22).
ES523564A 1982-06-23 1983-06-23 "un metodo mejorado de calentamiento para la obtencion de una fibra optica por estirado de una preforma" Expired ES8500611A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/391,273 US4440556A (en) 1982-06-23 1982-06-23 Optical fiber drawing using plasma torch

Publications (2)

Publication Number Publication Date
ES523564A0 ES523564A0 (es) 1984-06-16
ES8500611A1 true ES8500611A1 (es) 1984-06-16

Family

ID=23545976

Family Applications (2)

Application Number Title Priority Date Filing Date
ES523563A Expired ES8500610A1 (es) 1982-06-23 1983-06-23 "un dispositivo mejorado de calentamiento para la obtencion de una fibra optica por estirado de una preforma"
ES523564A Expired ES8500611A1 (es) 1982-06-23 1983-06-23 "un metodo mejorado de calentamiento para la obtencion de una fibra optica por estirado de una preforma"

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES523563A Expired ES8500610A1 (es) 1982-06-23 1983-06-23 "un dispositivo mejorado de calentamiento para la obtencion de una fibra optica por estirado de una preforma"

Country Status (8)

Country Link
US (1) US4440556A (es)
EP (1) EP0097348B1 (es)
JP (1) JPS5957927A (es)
CH (1) CH660659A5 (es)
DE (1) DE3362282D1 (es)
ES (2) ES8500610A1 (es)
NO (1) NO154668C (es)
ZA (1) ZA834201B (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126713B1 (de) * 1983-05-18 1989-01-18 Ciba-Geigy Ag Cyclohexandion-carbonsäurederivate mit herbizider und das Pflanzenwachstum regulierender Wirkung
NL8402225A (nl) * 1984-07-13 1986-02-03 Philips Nv Werkwijze voor de vervaardiging van massieve glazen voorvormen uit holle voorvormen.
IT1184909B (it) * 1985-03-18 1987-10-28 Cselt Centro Studi Lab Telecom Procedimento ed apparecchiatura per la riduzione dei difetti di volume e di superficie nelle fibre ottiche in silice
US4761170A (en) * 1985-06-20 1988-08-02 Polaroid Corporation Method for employing plasma in dehydration and consolidation of preforms
US4888043A (en) * 1985-07-12 1989-12-19 Ici Australia Limited Herbicidal amino-mesityl cyclohexane-1,3-dione compounds
US4863501A (en) * 1985-09-26 1989-09-05 Polaroid Corporation, Patent Department Method of employing plasma for finishing start rods
US4985157A (en) * 1989-05-01 1991-01-15 Mobil Oil Corporation Mixed alkoxylated alcohol-hydroquinone/resorcinol borates-antioxidants
DE4339077C2 (de) * 1993-11-16 1997-03-06 Rheydt Kabelwerk Ag Verfahren zum Ziehen einer optischen Faser und Vorrichtung zu dessen Durchführung
US5672192A (en) * 1996-05-30 1997-09-30 Lucent Technologies Inc. Method of making optical fiber using a plasma torch fiber-drawing furnace
US6134922A (en) * 1997-06-19 2000-10-24 Shin-Etsu Chemical Co., Ltd. Method for drawing a glass ingot
WO2001069289A2 (en) * 2000-03-10 2001-09-20 Flow Focusing, Inc. Methods for producing optical fiber by focusing high viscosity liquid
US7591957B2 (en) * 2001-01-30 2009-09-22 Rapt Industries, Inc. Method for atmospheric pressure reactive atom plasma processing for surface modification
US7510664B2 (en) * 2001-01-30 2009-03-31 Rapt Industries, Inc. Apparatus and method for atmospheric pressure reactive atom plasma processing for shaping of damage free surfaces
US6660177B2 (en) * 2001-11-07 2003-12-09 Rapt Industries Inc. Apparatus and method for reactive atom plasma processing for material deposition
US7297892B2 (en) * 2003-08-14 2007-11-20 Rapt Industries, Inc. Systems and methods for laser-assisted plasma processing
US7304263B2 (en) * 2003-08-14 2007-12-04 Rapt Industries, Inc. Systems and methods utilizing an aperture with a reactive atom plasma torch
JP4728009B2 (ja) * 2005-02-16 2011-07-20 オリンパス株式会社 ファイバ製造方法およびファイバ
KR20060098740A (ko) * 2005-03-07 2006-09-19 삼성전자주식회사 플라즈마 장치와 그를 이용한 광섬유 모재 제작 장치
US9533909B2 (en) * 2014-03-31 2017-01-03 Corning Incorporated Methods and apparatus for material processing using atmospheric thermal plasma reactor
WO2020263555A1 (en) * 2019-06-24 2020-12-30 Corning Incorporated Rf plasma optical fiber annealing apparatuses, systems, and methods of using the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30883A (en) * 1860-12-11 Improvement in corn-planters
US3652248A (en) * 1970-06-09 1972-03-28 Edward J Mellen Jr Process for redrawing silica glass rods
DE2434380A1 (de) * 1974-07-17 1976-01-29 Siemens Ag Verfahren zum ziehen von lichtleitfasern
JPS5246825A (en) * 1975-10-11 1977-04-14 Sumitomo Electric Ind Ltd Process for fabricating optical fibers
US4030901A (en) * 1976-07-19 1977-06-21 Bell Telephone Laboratories, Incorporated Method for drawing fibers
US4126436A (en) * 1977-12-05 1978-11-21 Corning Glass Works Apparatus for minimizing drawn filament diameter variation
US4154592A (en) * 1978-02-21 1979-05-15 Corning Glass Works Method of drawing optical filaments
GB1603949A (en) * 1978-05-30 1981-12-02 Standard Telephones Cables Ltd Plasma deposit
JPS5510469A (en) * 1978-07-10 1980-01-24 Nippon Telegr & Teleph Corp <Ntt> Production of glass fiber for light communication
US4383843A (en) * 1981-09-16 1983-05-17 Western Electric Company, Inc. Methods of and apparatus for heating a preform from which lightguide fiber is drawn
US4400190A (en) * 1981-09-28 1983-08-23 Gte Laboratories Incorporated Graphite element for use in a furnace for drawing optical fiber

Also Published As

Publication number Publication date
DE3362282D1 (en) 1986-04-03
JPH0248500B2 (es) 1990-10-25
NO154668C (no) 1986-11-26
EP0097348B1 (en) 1986-02-26
EP0097348A1 (en) 1984-01-04
NO832132L (no) 1983-12-27
ES523563A0 (es) 1984-06-01
ES523564A0 (es) 1984-06-16
JPS5957927A (ja) 1984-04-03
ZA834201B (en) 1984-07-25
CH660659A5 (de) 1987-05-15
ES8500610A1 (es) 1984-06-01
US4440556A (en) 1984-04-03
NO154668B (no) 1986-08-18

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506