HK91594A - Heating furnace for glass materials for optical fiber and method of manufacturing same - Google Patents

Heating furnace for glass materials for optical fiber and method of manufacturing same

Info

Publication number
HK91594A
HK91594A HK91594A HK91594A HK91594A HK 91594 A HK91594 A HK 91594A HK 91594 A HK91594 A HK 91594A HK 91594 A HK91594 A HK 91594A HK 91594 A HK91594 A HK 91594A
Authority
HK
Hong Kong
Prior art keywords
optical fiber
heating furnace
glass materials
manufacturing same
glass
Prior art date
Application number
HK91594A
Other languages
English (en)
Inventor
M Kyoto
Y Ishiguro
I Tauchiya
Original Assignee
Sumitomo Electric Industries
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 claimed from CA000572413A external-priority patent/CA1323193C/en
Application filed by Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of HK91594A publication Critical patent/HK91594A/xx

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)
HK91594A 1987-02-16 1994-09-01 Heating furnace for glass materials for optical fiber and method of manufacturing same HK91594A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP3477087 1987-02-16
JP3477287 1987-02-16
JP3476987 1987-02-16
JP3477187 1987-02-16
JP14403587 1987-06-11
JP14876987 1987-06-15
PCT/JP1988/000151 WO1988006145A1 (en) 1987-02-16 1988-02-16 Heating furnace for glass materials for optical fiber and method of manufacturing same
CA000572413A CA1323193C (en) 1987-06-15 1988-07-19 Furnace for heating glass preform for optical fiber and method for producing glass preform

Publications (1)

Publication Number Publication Date
HK91594A true HK91594A (en) 1994-09-09

Family

ID=27560930

Family Applications (1)

Application Number Title Priority Date Filing Date
HK91594A HK91594A (en) 1987-02-16 1994-09-01 Heating furnace for glass materials for optical fiber and method of manufacturing same

Country Status (5)

Country Link
EP (1) EP0302121B1 (de)
AU (1) AU593724B2 (de)
DE (1) DE3885184T2 (de)
HK (1) HK91594A (de)
WO (1) WO1988006145A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2553633B2 (ja) * 1988-05-19 1996-11-13 住友電気工業株式会社 高温炉の断熱方法
AU626362B2 (en) * 1988-12-29 1992-07-30 Sumitomo Electric Industries, Ltd. Furnace for producing high purity quartz glass preform
JPH02196045A (ja) * 1989-01-23 1990-08-02 Sumitomo Electric Ind Ltd 高純度石英母材製造用加熱炉
JPH03131544A (ja) * 1989-06-29 1991-06-05 Sumitomo Electric Ind Ltd 光ファイバ用ガラス母材の加熱炉および製法
JP2808857B2 (ja) * 1989-09-06 1998-10-08 住友電気工業株式会社 光ファイバ用ガラス母材の加熱炉および製法
US5259856A (en) * 1989-09-06 1993-11-09 Sumitomo Electric Industrial, Ltd. Method of producing glass preform in furnace for heating glass
CA2025880A1 (en) * 1989-09-25 1991-03-26 Ichiro Tsuchiya Furnace for production of optical fiber preform
WO1991011401A1 (fr) * 1990-02-05 1991-08-08 The Furukawa Electric Co., Ltd. Verres quartzeux dopes avec un element de terre rare et production d'un tel verre
GB9210327D0 (en) * 1992-05-14 1992-07-01 Tsl Group Plc Heat treatment facility for synthetic vitreous silica bodies
AU4321493A (en) * 1992-05-26 1993-12-30 Lonza A.G. Fluidized bed reaction pipe with gas distributor, and its use
JP3060782B2 (ja) * 1993-06-08 2000-07-10 住友電気工業株式会社 高純度透明ガラスの製造方法
NL1024943C2 (nl) * 2003-12-04 2005-06-07 Draka Fibre Technology Bv Werkwijze ter vervaardiging van een optische vezel.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1101164A (en) * 1977-04-30 1981-05-19 Sumitomo Electric Industries, Ltd. Method and apparatus for producing fibers for optical transmission
JPS57100933A (en) * 1980-12-12 1982-06-23 Nippon Telegr & Teleph Corp <Ntt> Preparation of base material for optical fiber
AU546073B2 (en) * 1982-02-15 1985-08-15 Nippon Telegraph & Telephone Corporation Regulation of growth of optical fibre preform face
JPS60145923A (ja) * 1984-01-05 1985-08-01 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造装置
JPS6136129A (ja) * 1984-07-30 1986-02-20 Sumitomo Electric Ind Ltd 光フアイバ用ガラス母材の製造方法
JPS61201634A (ja) * 1985-03-01 1986-09-06 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPS61215226A (ja) * 1985-03-22 1986-09-25 Furukawa Electric Co Ltd:The 光学系ガラスス−ト用透明ガラス化炉
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
DE3711281C1 (de) * 1987-04-03 1988-06-16 Heraeus Schott Quarzschmelze Verfahren zum Verglasen eines poroesen,aus Glasruss bestehenden Koerpers und Ofen zu dessen Durchfuehrung

Also Published As

Publication number Publication date
AU1291888A (en) 1988-09-14
WO1988006145A1 (en) 1988-08-25
AU593724B2 (en) 1990-02-15
DE3885184T2 (de) 1994-04-14
EP0302121A1 (de) 1989-02-08
EP0302121A4 (de) 1989-06-21
DE3885184D1 (de) 1993-12-02
EP0302121B1 (de) 1993-10-27

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040216

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)