JPS6251148U - - Google Patents

Info

Publication number
JPS6251148U
JPS6251148U JP13989285U JP13989285U JPS6251148U JP S6251148 U JPS6251148 U JP S6251148U JP 13989285 U JP13989285 U JP 13989285U JP 13989285 U JP13989285 U JP 13989285U JP S6251148 U JPS6251148 U JP S6251148U
Authority
JP
Japan
Prior art keywords
base material
glass base
peripheral surface
outer peripheral
insertion hole
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.)
Granted
Application number
JP13989285U
Other languages
English (en)
Other versions
JPH0226908Y2 (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
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)

Description

【図面の簡単な説明】
第１図は本考案に係る一実施例を示す断面図、
第２図は第１図におけるＸ―Ｘ線断面図、第３図
は第１図におけるＹ―Ｙ線断面図、第４図はガラ
ス母材等の外径に対応する孔部の対応状態を説明
する断面図である。 ４……挿入孔、６……ガラス母材、１１……シ
ール部材、１２……入口部、１４……孔部、２１
，２２……外周面。

Claims (1)

    【実用新案登録請求の範囲】
  1. ガラス母材が挿入される挿入孔の入口部に、該
    ガラス母材の外周面乃至該ガラス母材を保持する
    ガラスロツドの外周面に近接する孔径可変自在の
    孔部を有すると共に上記挿入孔を施蓋するシール
    部材が、少なくとも１個付設されたことを特徴と
    する光フアイバ紡糸炉。
JP1985139892U 1985-09-12 1985-09-12 Expired JPH0226908Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985139892U JPH0226908Y2 (ja) 1985-09-12 1985-09-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985139892U JPH0226908Y2 (ja) 1985-09-12 1985-09-12

Publications (2)

Publication Number Publication Date
JPS6251148U true JPS6251148U (ja) 1987-03-30
JPH0226908Y2 JPH0226908Y2 (ja) 1990-07-20

Family

ID=31046221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985139892U Expired JPH0226908Y2 (ja) 1985-09-12 1985-09-12

Country Status (1)

Country Link
JP (1) JPH0226908Y2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01197342A (ja) * 1988-02-02 1989-08-09 Sumitomo Electric Ind Ltd 光ファイバの製造方法
WO2004113243A1 (ja) * 2003-06-18 2004-12-29 Shin-Etsu Chemical Co., Ltd. 光ファイバ線引き装置およびガスシール機構
US8702105B2 (en) 2009-02-17 2014-04-22 Shin-Etsu Chemical Co., Ltd. Seal member
JP2016028989A (ja) * 2014-07-25 2016-03-03 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036347A (ja) * 1983-07-27 1985-02-25 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン 光フアイバー引伸装置
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036347A (ja) * 1983-07-27 1985-02-25 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン 光フアイバー引伸装置
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01197342A (ja) * 1988-02-02 1989-08-09 Sumitomo Electric Ind Ltd 光ファイバの製造方法
WO2004113243A1 (ja) * 2003-06-18 2004-12-29 Shin-Etsu Chemical Co., Ltd. 光ファイバ線引き装置およびガスシール機構
US8702105B2 (en) 2009-02-17 2014-04-22 Shin-Etsu Chemical Co., Ltd. Seal member
JP2016028989A (ja) * 2014-07-25 2016-03-03 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

Also Published As

Publication number Publication date
JPH0226908Y2 (ja) 1990-07-20

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