BR0200454B1 - método de formação de pré-forma de fuligem. - Google Patents

método de formação de pré-forma de fuligem.

Info

Publication number
BR0200454B1
BR0200454B1 BRPI0200454-2A BR0200454A BR0200454B1 BR 0200454 B1 BR0200454 B1 BR 0200454B1 BR 0200454 A BR0200454 A BR 0200454A BR 0200454 B1 BR0200454 B1 BR 0200454B1
Authority
BR
Brazil
Prior art keywords
formation method
soot preform
preform formation
soot
preform
Prior art date
Application number
BRPI0200454-2A
Other languages
English (en)
Other versions
BR0200454A (pt
Inventor
Tadashi Enomoto
Yuichi Ohga
Nobuya Akaike
Haruhiko Aikawa
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 filed Critical
Publication of BR0200454A publication Critical patent/BR0200454A/pt
Publication of BR0200454B1 publication Critical patent/BR0200454B1/pt

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
    • 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]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/50—Multiple burner arrangements
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position
    • C03B2207/62—Distance
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position
    • C03B2207/64—Angle
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
BRPI0200454-2A 2001-02-19 2002-02-19 método de formação de pré-forma de fuligem. BR0200454B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001041420A JP4742429B2 (ja) 2001-02-19 2001-02-19 ガラス微粒子堆積体の製造方法

Publications (2)

Publication Number Publication Date
BR0200454A BR0200454A (pt) 2002-10-29
BR0200454B1 true BR0200454B1 (pt) 2010-11-16

Family

ID=18903867

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0200454-2A BR0200454B1 (pt) 2001-02-19 2002-02-19 método de formação de pré-forma de fuligem.

Country Status (8)

Country Link
US (1) US20020116955A1 (pt)
EP (1) EP1233006B1 (pt)
JP (1) JP4742429B2 (pt)
KR (1) KR20020067992A (pt)
CN (1) CN1297501C (pt)
BR (1) BR0200454B1 (pt)
DE (1) DE60206428T2 (pt)
ZA (1) ZA200201363B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5467418B2 (ja) * 2010-12-01 2014-04-09 株式会社Ｓｕｍｃｏ 造粒シリカ粉の製造方法、シリカガラスルツボの製造方法
WO2013039766A1 (en) 2011-09-13 2013-03-21 Corning Cable Systems Llc Gradient index (grin) lens holders employing a recessed cover, and optical connectors and methods incorporating the same
US9975802B2 (en) * 2013-05-31 2018-05-22 Corning Incorporated Method for making low bend loss optical fiber preforms
CN104176926B (zh) * 2014-08-21 2016-08-31 江苏亨通光导新材料有限公司 一种合成大直径光纤预制棒疏松体的方法及装置
US10745804B2 (en) * 2017-01-31 2020-08-18 Ofs Fitel, Llc Parallel slit torch for making optical fiber preform
US11053157B2 (en) * 2017-08-23 2021-07-06 Chengdu Futong Optical Communication Technologies Co., Ltd Optical fiber and manufacturing method thereof

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Also Published As

Publication number Publication date
DE60206428T2 (de) 2006-06-22
KR20020067992A (ko) 2002-08-24
EP1233006B1 (en) 2005-10-05
CN1297501C (zh) 2007-01-31
US20020116955A1 (en) 2002-08-29
DE60206428D1 (de) 2005-11-10
BR0200454A (pt) 2002-10-29
EP1233006A2 (en) 2002-08-21
JP4742429B2 (ja) 2011-08-10
JP2002249326A (ja) 2002-09-06
ZA200201363B (en) 2002-08-16
EP1233006A3 (en) 2004-08-25
CN1371879A (zh) 2002-10-02

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Legal Events

Date Code Title Description
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/02/2002, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)