JPWO2022244529A1 - - Google Patents

Info

Publication number
JPWO2022244529A1
JPWO2022244529A1 JP2023522317A JP2023522317A JPWO2022244529A1 JP WO2022244529 A1 JPWO2022244529 A1 JP WO2022244529A1 JP 2023522317 A JP2023522317 A JP 2023522317A JP 2023522317 A JP2023522317 A JP 2023522317A JP WO2022244529 A1 JPWO2022244529 A1 JP WO2022244529A1
Authority
JP
Japan
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
JP2023522317A
Other versions
JP7554355B2 (ja
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 JPWO2022244529A1 publication Critical patent/JPWO2022244529A1/ja
Application granted granted Critical
Publication of JP7554355B2 publication Critical patent/JP7554355B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • C03B37/01242—Controlling or regulating the down-draw process
    • 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
    • C03B37/01257—Heating devices therefor
    • 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
    • C03B37/0253—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/40—Monitoring or regulating the draw tension or draw rate
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/45—Monotoring or regulating the preform neck-down region with respect to position or shape

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)
JP2023522317A 2021-05-18 2022-03-31 光ファイバの製造方法及び光ファイバの製造装置 Active JP7554355B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021083927 2021-05-18
JP2021083927 2021-05-18
PCT/JP2022/016599 WO2022244529A1 (ja) 2021-05-18 2022-03-31 光ファイバの製造方法及び光ファイバの製造装置

Publications (2)

Publication Number Publication Date
JPWO2022244529A1 true JPWO2022244529A1 (ja) 2022-11-24
JP7554355B2 JP7554355B2 (ja) 2024-09-19

Family

ID=84141255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023522317A Active JP7554355B2 (ja) 2021-05-18 2022-03-31 光ファイバの製造方法及び光ファイバの製造装置

Country Status (5)

Country Link
US (1) US20240228359A1 (ja)
EP (1) EP4342858A1 (ja)
JP (1) JP7554355B2 (ja)
CN (1) CN117120386A (ja)
WO (1) WO2022244529A1 (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2671069B2 (ja) 1991-11-22 1997-10-29 株式会社フジクラ 光ファイバ線引炉の制御方法
JPH11255534A (ja) * 1998-03-10 1999-09-21 Furukawa Electric Co Ltd:The 光ファイバの線引き方法
WO2008062465A2 (en) * 2006-10-17 2008-05-29 Sterlite Optical Technologies Ltd. Apparatus & method for drawing optical fiber having desired waveguide parameters and fiber produced thereby
JP2009126755A (ja) * 2007-11-26 2009-06-11 Sumitomo Electric Ind Ltd 光ファイバの線引き方法
JP2010269971A (ja) * 2009-05-21 2010-12-02 Sumitomo Electric Ind Ltd 光ファイバの製造方法
JP6573508B2 (ja) * 2015-08-28 2019-09-11 株式会社フジクラ 光ファイバ素線の製造方法および製造装置

Also Published As

Publication number Publication date
CN117120386A (zh) 2023-11-24
JP7554355B2 (ja) 2024-09-19
WO2022244529A1 (ja) 2022-11-24
US20240228359A1 (en) 2024-07-11
EP4342858A1 (en) 2024-03-27

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Legal Events

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