CA1323193C - Four servant au chauffage d'ebauches en verre pour la production de fibres optiques et mode de production desdites ebauches - Google Patents

Four servant au chauffage d'ebauches en verre pour la production de fibres optiques et mode de production desdites ebauches

Info

Publication number
CA1323193C
CA1323193C CA000572413A CA572413A CA1323193C CA 1323193 C CA1323193 C CA 1323193C CA 000572413 A CA000572413 A CA 000572413A CA 572413 A CA572413 A CA 572413A CA 1323193 C CA1323193 C CA 1323193C
Authority
CA
Canada
Prior art keywords
preform
muffle tube
glass
heater
carbon
Prior art date
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.)
Expired - Fee Related
Application number
CA000572413A
Other languages
English (en)
Inventor
Ichiro Tsuchiya
Michihisa Kyoto
Yoichi Ishiguro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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
Priority to PCT/JP1988/000151 priority Critical patent/WO1988006145A1/fr
Priority to EP19880901646 priority patent/EP0302121B1/fr
Priority to DE88901646T priority patent/DE3885184T2/de
Priority to AU12918/88A priority patent/AU593724B2/en
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to CA000572413A priority patent/CA1323193C/fr
Application granted granted Critical
Publication of CA1323193C publication Critical patent/CA1323193C/fr
Priority to HK91594A priority patent/HK91594A/xx
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00—Furnaces of a kind not covered by any preceding group
    • F27B17/0016—Chamber type furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/10—Muffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General 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)
CA000572413A 1987-02-16 1988-07-19 Four servant au chauffage d'ebauches en verre pour la production de fibres optiques et mode de production desdites ebauches Expired - Fee Related CA1323193C (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP1988/000151 WO1988006145A1 (fr) 1987-02-16 1988-02-16 Four de chauffage pour materiaux en verre pour fibre optique et leur methode de fabrication
EP19880901646 EP0302121B1 (fr) 1987-02-16 1988-02-16 Four de chauffage pour materiaux en verre pour fibre optique et leur methode de fabrication
DE88901646T DE3885184T2 (de) 1987-02-16 1988-02-16 Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung.
AU12918/88A AU593724B2 (en) 1987-02-16 1988-02-16 Furnace for heating glass preform for optical fiber and method for producing glass preform
CA000572413A CA1323193C (fr) 1987-06-15 1988-07-19 Four servant au chauffage d'ebauches en verre pour la production de fibres optiques et mode de production desdites ebauches
HK91594A HK91594A (en) 1987-02-16 1994-09-01 Heating furnace for glass materials for optical fiber and method of manufacturing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14876987 1987-06-15
CA000572413A CA1323193C (fr) 1987-06-15 1988-07-19 Four servant au chauffage d'ebauches en verre pour la production de fibres optiques et mode de production desdites ebauches

Publications (1)

Publication Number Publication Date
CA1323193C true CA1323193C (fr) 1993-10-19

Family

ID=25672000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000572413A Expired - Fee Related CA1323193C (fr) 1987-02-16 1988-07-19 Four servant au chauffage d'ebauches en verre pour la production de fibres optiques et mode de production desdites ebauches

Country Status (1)

Country Link
CA (1) CA1323193C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626809A (zh) * 2017-10-05 2019-04-16 信越化学工业株式会社 用于制备光纤的多孔玻璃沉积物的方法
CN110872174A (zh) * 2018-09-03 2020-03-10 德拉克通信科技公司 在制造光纤中使用的加热纵长的氧化硅筒的方法、加热装置和系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626809A (zh) * 2017-10-05 2019-04-16 信越化学工业株式会社 用于制备光纤的多孔玻璃沉积物的方法
CN109626809B (zh) * 2017-10-05 2022-07-15 信越化学工业株式会社 用于制备光纤的多孔玻璃沉积物的方法
CN110872174A (zh) * 2018-09-03 2020-03-10 德拉克通信科技公司 在制造光纤中使用的加热纵长的氧化硅筒的方法、加热装置和系统
CN110872174B (zh) * 2018-09-03 2022-12-09 德拉克通信科技公司 在制造光纤中使用的加热纵长的氧化硅筒的方法、加热装置和系统

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Legal Events

Date Code Title Description
MKLA Lapsed