JPH0226908Y2 - - Google Patents

Info

Publication number
JPH0226908Y2
JPH0226908Y2 JP1985139892U JP13989285U JPH0226908Y2 JP H0226908 Y2 JPH0226908 Y2 JP H0226908Y2 JP 1985139892 U JP1985139892 U JP 1985139892U JP 13989285 U JP13989285 U JP 13989285U JP H0226908 Y2 JPH0226908 Y2 JP H0226908Y2
Authority
JP
Japan
Prior art keywords
base material
hole
glass base
glass
diameter
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
Application number
JP1985139892U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6251148U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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
Priority to JP1985139892U priority Critical patent/JPH0226908Y2/ja
Publication of JPS6251148U publication Critical patent/JPS6251148U/ja
Application granted granted Critical
Publication of JPH0226908Y2 publication Critical patent/JPH0226908Y2/ja
Expired 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
    • C03B37/02—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
    • C03B37/029—Furnaces therefor
    • 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
    • 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
    • C03B2205/82—Means for sealing the fibre exit or lower end of the furnace

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)
JP1985139892U 1985-09-12 1985-09-12 Expired JPH0226908Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985139892U JPH0226908Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-09-12 1985-09-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985139892U JPH0226908Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-09-12 1985-09-12

Publications (2)

Publication Number Publication Date
JPS6251148U JPS6251148U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-03-30
JPH0226908Y2 true JPH0226908Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-07-20

Family

ID=31046221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985139892U Expired JPH0226908Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-09-12 1985-09-12

Country Status (1)

Country Link
JP (1) JPH0226908Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2754551B2 (ja) * 1988-02-02 1998-05-20 住友電気工業株式会社 光ファイバの製造方法
JP2005008475A (ja) * 2003-06-18 2005-01-13 Shin Etsu Chem Co Ltd 光ファイバ線引き装置
JP4817339B2 (ja) 2009-02-17 2011-11-16 信越化学工業株式会社 加熱炉のシール部材
JP6476628B2 (ja) * 2014-07-25 2019-03-06 住友電気工業株式会社 光ファイバの製造方法及び製造装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8302666A (nl) * 1983-07-27 1985-02-18 Philips Nv Inrichting voor het trekken van een optische vezel.
JPS60155541A (ja) * 1984-01-23 1985-08-15 Furukawa Electric Co Ltd:The 光学系ガラス棒延伸用加熱炉

Also Published As

Publication number Publication date
JPS6251148U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-03-30

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