IT1078016B - Procedimento per fabbricare fibre ottiche e prodotto con esso ottenuto - Google Patents

Procedimento per fabbricare fibre ottiche e prodotto con esso ottenuto

Info

Publication number
IT1078016B
IT1078016B IT21393/77A IT2139377A IT1078016B IT 1078016 B IT1078016 B IT 1078016B IT 21393/77 A IT21393/77 A IT 21393/77A IT 2139377 A IT2139377 A IT 2139377A IT 1078016 B IT1078016 B IT 1078016B
Authority
IT
Italy
Prior art keywords
procedure
product
optical fibers
manufacturing optical
manufacturing
Prior art date
Application number
IT21393/77A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1078016B publication Critical patent/IT1078016B/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
    • C03B37/01205—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
    • C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/053—Re-forming tubes or rods by centrifuging
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates
IT21393/77A 1976-03-22 1977-03-17 Procedimento per fabbricare fibre ottiche e prodotto con esso ottenuto IT1078016B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66916476A 1976-03-22 1976-03-22

Publications (1)

Publication Number Publication Date
IT1078016B true IT1078016B (it) 1985-05-08

Family

ID=24685325

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21393/77A IT1078016B (it) 1976-03-22 1977-03-17 Procedimento per fabbricare fibre ottiche e prodotto con esso ottenuto

Country Status (8)

Country Link
US (1) US4154591A (it)
JP (1) JPS52115238A (it)
BE (1) BE852519A (it)
CA (1) CA1090134A (it)
DE (1) DE2711295A1 (it)
FR (1) FR2345402A1 (it)
IT (1) IT1078016B (it)
NL (1) NL7702850A (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243398A (en) * 1978-02-09 1981-01-06 Nippon Electric Co., Ltd. Method of producing dielectric diffraction gratings or dielectric multilayer interference filters
US4229197A (en) * 1978-06-12 1980-10-21 International Telephone And Telegraph Corporation Method for making multiple optical core fiber
DE2907833A1 (de) * 1979-02-28 1980-09-11 Siemens Ag Verfahren zur herstellung von beschichteten glaskoerpern
DE2907731A1 (de) * 1979-02-28 1980-09-04 Siemens Ag Verfahren zur herstellung eines glasfaser-lichtwellenleiters
US4191545A (en) * 1979-03-02 1980-03-04 Bell Telephone Laboratories, Incorporated Optical fiber fabrication process
DE2930704A1 (de) * 1979-07-28 1981-02-12 Licentia Gmbh Verfahren zur herstellung einer lichtleitfaser
DE3176131D1 (en) 1980-01-11 1987-05-27 Hitachi Ltd Method of producing a preform rod for an optical fiber
US4278459A (en) * 1980-03-03 1981-07-14 Western Electric Company, Inc. Method and apparatus for exhausting optical fiber preform tubes
US4298364A (en) * 1980-03-17 1981-11-03 Corning Glass Works Method of making optical fibers having improved core roundness
US4280829A (en) * 1980-05-12 1981-07-28 Corning Glass Works Apparatus for controlling internal pressure of a bait tube
US4304581A (en) * 1980-08-07 1981-12-08 Western Electric Co., Inc. Lightguide preform fabrication
DE3133013A1 (de) * 1980-08-26 1982-04-08 Western Electric Co., Inc., 10038 New York, N.Y. "verfahren zum herstellen eines lichtleiterfaserrohlings"
US4477273A (en) * 1982-06-15 1984-10-16 At&T Technologies, Inc. Method of and apparatus for straightening and configuring a preform tube from which lightguide fiber is drawn
US4596589A (en) * 1984-02-09 1986-06-24 Perry Gregory A Method for producing a single mode fiber preform
DE3447082A1 (de) * 1984-05-26 1985-12-19 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern
US4597785A (en) * 1984-08-01 1986-07-01 Itt Corporation Method of and apparatus for making optical preforms with a predetermined cladding/core ratio
US4601740A (en) * 1984-12-18 1986-07-22 At&T Technologies, Inc. Methods of and apparatus for at least partially closing an end portion of an optical preform tube
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
US4776865A (en) * 1986-12-16 1988-10-11 Corning Glass Works Method of forming a fiber-reinforced inorganic composite
DE4117817C2 (de) * 1991-05-31 1994-02-03 Heraeus Quarzglas Verfahren zur Herstellung einer stabförmigen Vorform für optische Fasern
US5522003A (en) * 1993-03-02 1996-05-28 Ward; Robert M. Glass preform with deep radial gradient layer and method of manufacturing same
US5364427A (en) * 1993-07-16 1994-11-15 At&T Bell Laboratories Manufacture of optical fiber using sol-gel
CN1132032C (zh) 1997-08-19 2003-12-24 皮雷利·卡维系统有限公司 制造光纤维预制棒的方法与装置
KR100306381B1 (ko) 1998-12-10 2001-11-30 윤종용 증착튜브의응축및클로징을위한광섬유모재제조장치및그방법
JP4718017B2 (ja) * 1999-04-26 2011-07-06 コーニング インコーポレイテッド 光ファイバ、ならびに低偏光モード分散および低減衰損失の光ファイバの製造方法
WO2002096816A1 (en) * 2001-05-30 2002-12-05 Pirelli & C. S.P.A. Method of manufacturing glass optical fibre preforms and optical fibres
WO2002098808A1 (en) * 2001-05-31 2002-12-12 Corning Incorporated Method of low pmd optical fiber manufacture
WO2002098806A1 (en) * 2001-05-31 2002-12-12 Corning Incorporated Method of manufacturing an optical fiber from a perform and optical fiber made by the method
EP1438267A1 (en) * 2001-07-31 2004-07-21 Corning Incorporated Method for fabricating a low polarization mode dispersion optical fiber
NL1019076C2 (nl) * 2001-10-01 2003-04-02 Draka Fibre Technology Bv Werkwijze voor het aanbrengen van een of meer glaslagen op het uitwendig oppervlak van een uit glas samengesteld staafvormig vormdeel, alsmede een daarvoor geschikte inrichting.
JP3861663B2 (ja) * 2001-11-12 2006-12-20 住友電気工業株式会社 光ファイバ母材の製造方法
WO2003057634A1 (en) * 2001-12-21 2003-07-17 Fibercore, Inc. Method for offline collapsing a preform
NL1019675C2 (nl) * 2001-12-28 2003-07-01 Draka Fibre Technology Bv Werkwijze voor het onder verwarmen contraheren van een holle substraatbuis tot een staafvormige voorvorm.
WO2004041737A1 (en) * 2002-11-07 2004-05-21 Ls Cable Ltd. Method for manufacturing an optical fiber preform by mcvd
DE102004050515B4 (de) * 2004-10-15 2007-08-02 Heraeus Tenevo Gmbh Verfahren zur Herstellung von Rohren aus Quarzglas
CN102219362B (zh) * 2011-05-11 2012-10-31 苏州凯西石英电子有限公司 一种大直径石英管的制作方法
JP5933390B2 (ja) * 2012-08-09 2016-06-08 株式会社フジクラ 光ファイバ母材の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737293A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming an economic optical waveguide fiber
FR2220475B1 (it) * 1973-03-08 1977-08-12 Quartz & Silice
JPS5748762B2 (it) * 1973-05-23 1982-10-18
US4360250A (en) * 1974-05-31 1982-11-23 National Research Development Corp. Optical waveguides
JPS5120918A (en) * 1974-08-14 1976-02-19 Hitachi Ltd Bono renzokutekiseizohoho
JPS5120917A (en) * 1974-08-14 1976-02-19 Hitachi Ltd Kan moshikuha bono seizohoho
US3961926A (en) * 1974-12-27 1976-06-08 International Telephone And Telegraph Corporation Preparation of germania cores in optical fibers

Also Published As

Publication number Publication date
CA1090134A (en) 1980-11-25
JPS52115238A (en) 1977-09-27
US4154591A (en) 1979-05-15
BE852519A (fr) 1977-07-18
NL7702850A (nl) 1977-09-26
FR2345402A1 (fr) 1977-10-21
DE2711295A1 (de) 1977-10-06

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