IT1085483B - Procedimento per la fabbricazione di fibre ottiche e fibre ottiche ottenute con lo stesso - Google Patents

Procedimento per la fabbricazione di fibre ottiche e fibre ottiche ottenute con lo stesso

Info

Publication number
IT1085483B
IT1085483B IT7724123A IT2412377A IT1085483B IT 1085483 B IT1085483 B IT 1085483B IT 7724123 A IT7724123 A IT 7724123A IT 2412377 A IT2412377 A IT 2412377A IT 1085483 B IT1085483 B IT 1085483B
Authority
IT
Italy
Prior art keywords
optical fibers
procedure
manufacture
same
fibers obtained
Prior art date
Application number
IT7724123A
Other languages
English (en)
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1085483B publication Critical patent/IT1085483B/it

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
    • C03B37/014—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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/02—Forming molten glass coated with coloured layers; Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts
    • C03B17/025—Tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/04—Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
    • 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
    • C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01274—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by extrusion or drawing
    • 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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • 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
    • 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
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/13—Drawing solid optical fibre directly from a hollow preform from a hollow glass tube containing glass-forming material in particulate form, e.g. to form the core by melting the powder during drawing
    • 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
    • C03B2205/30—Means for continuous drawing from a preform

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)
IT7724123A 1976-06-01 1977-05-30 Procedimento per la fabbricazione di fibre ottiche e fibre ottiche ottenute con lo stesso IT1085483B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22575/76A GB1559097A (en) 1976-06-01 1976-06-01 Optical fibre manufacture

Publications (1)

Publication Number Publication Date
IT1085483B true IT1085483B (it) 1985-05-28

Family

ID=10181627

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7724123A IT1085483B (it) 1976-06-01 1977-05-30 Procedimento per la fabbricazione di fibre ottiche e fibre ottiche ottenute con lo stesso

Country Status (10)

Country Link
US (1) US4155733A (it)
JP (1) JPS6044259B2 (it)
AU (1) AU504970B2 (it)
BR (1) BR7703500A (it)
CH (1) CH615760A5 (it)
ES (1) ES459377A1 (it)
FR (1) FR2353495A1 (it)
GB (1) GB1559097A (it)
IT (1) IT1085483B (it)
NL (1) NL7705926A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
US4233045A (en) * 1978-11-27 1980-11-11 Corning Glass Works Apparatus and method for making optical filament preform
US4230473A (en) * 1979-03-16 1980-10-28 Bell Telephone Laboratories, Incorporated Method of fabricating optical fibers
US4304052A (en) * 1979-04-05 1981-12-08 Bfg Glassgroup Drying intumescent material
US4293415A (en) * 1979-04-27 1981-10-06 Hewlett-Packard Company Silica chromatographic column
US4289516A (en) * 1979-10-04 1981-09-15 Eotec Corporation Low loss optical fibers
US4283213A (en) * 1979-10-22 1981-08-11 International Telephone And Telegraph Corporation Method of fabrication of single mode optical fibers or waveguides
US4425146A (en) 1979-12-17 1984-01-10 Nippon Telegraph & Telephone Public Corporation Method of making glass waveguide for optical circuit
FR2503693B1 (fr) * 1981-04-08 1986-08-22 Lignes Telegraph Telephon Dispositif de fabrication de fibre optique a injection gazeuse laterale
US4412853A (en) * 1981-06-29 1983-11-01 Western Electric Company, Inc. Method of making optical waveguide fiber preform starter tubes
DE3324539A1 (de) * 1983-07-07 1985-01-17 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung von glas durch abscheidung aus der gasphase
CN1011227B (zh) * 1985-06-25 1991-01-16 占河电气工业有限公司 光纤的制造方法
JPH082835Y2 (ja) * 1987-11-02 1996-01-29 富士電機株式会社 物品格納・搬出入装置
JPH0276374U (it) * 1988-11-29 1990-06-12
US5431821A (en) * 1992-02-07 1995-07-11 The Ohio State University Glassy carbon in separation processes
DE4212099C2 (de) * 1992-04-10 1994-07-21 Heraeus Quarzglas Verfahren und Vorrichtung zur Herstellung eines Verbundkörpers aus Glas
FR2706077B1 (fr) * 1993-06-03 1995-07-21 Saint Gobain Vitrage Int Polyèdres de verre et procédé de fabrication.
WO2002048060A2 (en) * 2000-12-14 2002-06-20 Corning Incorporated Method and apparatus for continuously manufacturing optical preform and fiber
GB0209908D0 (en) * 2002-04-30 2002-06-05 Blazephotonics Ltd A method and apparatus relating to optical fibres
DE102005023582B4 (de) * 2005-05-18 2009-04-16 Schott Ag Verfahren zur Herstellung von innenvergüteten Glasrohren

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2085245A (en) * 1930-10-22 1937-06-29 Corning Glass Works Drawing glass
US2237754A (en) * 1938-10-03 1941-04-08 Gen Electric Electric lamp
US2433116A (en) * 1942-04-28 1947-12-23 Westinghouse Electric Corp Manufacture of glassware
US3711262A (en) * 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
US3754879A (en) * 1970-10-29 1973-08-28 American Optical Corp Method for forming a doubly clad glass monofiber element having a lowviscosity outer cladding
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
GB1340849A (en) * 1972-04-06 1973-12-19 Standard Telephones Cables Ltd Optical fibres
GB1427327A (en) * 1972-06-08 1976-03-10 Standard Telephones Cables Ltd Glass optical fibres
US3884550A (en) * 1973-01-04 1975-05-20 Corning Glass Works Germania containing optical waveguide
GB1499991A (en) * 1974-08-06 1978-02-01 Standard Telephones Cables Ltd Optical fibres
JPS5120914A (en) * 1974-08-14 1976-02-19 Hitachi Ltd Bono renzokuseizohoho
GB1496788A (en) * 1974-09-05 1978-01-05 Standard Telephones Cables Ltd Optical fibre manufacture
JPS5171313A (ja) * 1974-12-17 1976-06-21 Nippon Sheet Glass Co Ltd Hikaridendogarasutaino renzokuseizohoho oyobi sochi
FR2266668A1 (en) * 1975-03-06 1975-10-31 Quartz & Silice Depositing a layer of glass inside a silica tube - to produce optical fibre blanks, using a heating flame, a shaping roller and a local pressure of gas
JPS525541A (en) * 1975-07-01 1977-01-17 Nippon Serufuotsuku Kk Method of mass-producing light- conduction glass bodies
DE2531237B2 (de) * 1975-07-12 1977-05-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vorrichtung zum ziehen von lichtleitern

Also Published As

Publication number Publication date
FR2353495A1 (fr) 1977-12-30
AU2560677A (en) 1978-12-07
FR2353495B1 (it) 1983-12-30
JPS6044259B2 (ja) 1985-10-02
NL7705926A (nl) 1977-12-05
BR7703500A (pt) 1978-05-09
ES459377A1 (es) 1978-04-01
GB1559097A (en) 1980-01-16
JPS52152726A (en) 1977-12-19
US4155733A (en) 1979-05-22
AU504970B2 (en) 1979-11-01
CH615760A5 (it) 1980-02-15

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