IT202200010907A1 - Apparatus for drying and/or consolidating a preform for optical fibres - Google Patents

Apparatus for drying and/or consolidating a preform for optical fibres Download PDF

Info

Publication number
IT202200010907A1
IT202200010907A1 IT102022000010907A IT202200010907A IT202200010907A1 IT 202200010907 A1 IT202200010907 A1 IT 202200010907A1 IT 102022000010907 A IT102022000010907 A IT 102022000010907A IT 202200010907 A IT202200010907 A IT 202200010907A IT 202200010907 A1 IT202200010907 A1 IT 202200010907A1
Authority
IT
Italy
Prior art keywords
consolidating
preform
drying
optical fibers
fibers
Prior art date
Application number
IT102022000010907A
Other languages
English (en)
Inventor
Stefano Grieco
Valeria Caronna
Angelo Mascolo
Original Assignee
Prysmian Spa
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 Prysmian Spa filed Critical Prysmian Spa
Priority to IT102022000010907A priority Critical patent/IT202200010907A1/it
Priority to US18/196,200 priority patent/US20230382781A1/en
Priority to EP23174514.2A priority patent/EP4282838A1/en
Priority to CN202310594196.0A priority patent/CN117125889A/zh
Publication of IT202200010907A1 publication Critical patent/IT202200010907A1/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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/57—Recovering, recycling or purifying the coolant, e.g. helium
    • 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
    • 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
    • C03B2205/80—Means for sealing the preform entry or upper end of the furnace

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal 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)
IT102022000010907A 2022-05-25 2022-05-25 Apparatus for drying and/or consolidating a preform for optical fibres IT202200010907A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT102022000010907A IT202200010907A1 (it) 2022-05-25 2022-05-25 Apparatus for drying and/or consolidating a preform for optical fibres
US18/196,200 US20230382781A1 (en) 2022-05-25 2023-05-11 Apparatus for drying and/or consolidating a preform for optical fibres
EP23174514.2A EP4282838A1 (en) 2022-05-25 2023-05-22 Apparatus for drying and/or consolidating a preform for optical fibres
CN202310594196.0A CN117125889A (zh) 2022-05-25 2023-05-24 用于干燥和/或固结用于光纤的预成型件的设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000010907A IT202200010907A1 (it) 2022-05-25 2022-05-25 Apparatus for drying and/or consolidating a preform for optical fibres

Publications (1)

Publication Number Publication Date
IT202200010907A1 true IT202200010907A1 (it) 2023-11-25

Family

ID=82608112

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000010907A IT202200010907A1 (it) 2022-05-25 2022-05-25 Apparatus for drying and/or consolidating a preform for optical fibres

Country Status (4)

Country Link
US (1) US20230382781A1 (it)
EP (1) EP4282838A1 (it)
CN (1) CN117125889A (it)
IT (1) IT202200010907A1 (it)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933454A (en) 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
JP2003212556A (ja) * 2002-01-23 2003-07-30 Sumitomo Electric Ind Ltd ガラス母材の製造方法及び製造装置
US20050066690A1 (en) 2003-09-29 2005-03-31 Sumitomo Electric Industries, Ltd. Method of and apparatus for producing optical fiber
WO2012033158A1 (ja) * 2010-09-10 2012-03-15 住友電気工業株式会社 光ファイバ用線引炉のシール構造
WO2018177514A1 (en) 2017-03-29 2018-10-04 Prysmian S.P.A. Method and apparatus for drying and consolidating a preform for optical fibres
US10591674B2 (en) 2016-07-29 2020-03-17 Corning Incorporated System and method for positioning an optical preform in a furnace

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933454A (en) 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
JP2003212556A (ja) * 2002-01-23 2003-07-30 Sumitomo Electric Ind Ltd ガラス母材の製造方法及び製造装置
US20050066690A1 (en) 2003-09-29 2005-03-31 Sumitomo Electric Industries, Ltd. Method of and apparatus for producing optical fiber
WO2012033158A1 (ja) * 2010-09-10 2012-03-15 住友電気工業株式会社 光ファイバ用線引炉のシール構造
US10591674B2 (en) 2016-07-29 2020-03-17 Corning Incorporated System and method for positioning an optical preform in a furnace
WO2018177514A1 (en) 2017-03-29 2018-10-04 Prysmian S.P.A. Method and apparatus for drying and consolidating a preform for optical fibres

Also Published As

Publication number Publication date
CN117125889A (zh) 2023-11-28
US20230382781A1 (en) 2023-11-30
EP4282838A1 (en) 2023-11-29

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