JPS632738U - - Google Patents

Info

Publication number
JPS632738U
JPS632738U JP9594486U JP9594486U JPS632738U JP S632738 U JPS632738 U JP S632738U JP 9594486 U JP9594486 U JP 9594486U JP 9594486 U JP9594486 U JP 9594486U JP S632738 U JPS632738 U JP S632738U
Authority
JP
Japan
Prior art keywords
optical fiber
heating tube
cylindrical heating
gap
drawing furnace
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.)
Pending
Application number
JP9594486U
Other languages
English (en)
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 JP9594486U priority Critical patent/JPS632738U/ja
Publication of JPS632738U publication Critical patent/JPS632738U/ja
Pending 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

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図は本考案による光フアイバ線引炉の断面
図、第２図ａは円筒状加熱管へのダストの堆積を
説明する説明図、第２図ｂは円筒状加熱管の壁面
温度分布を示す図である。 図面中、１は光フアイバ母材、２は光フアイバ
、３は円筒状加熱管、４，５は保護管、６は堆積
物、７は炉体、８は発熱体、９，１０，１１は通
気路、１２は保護管取付け部材、１３は下端部材
である。
補正 昭６２．２．２ 実用新案登録請求の範囲を次のように補正する
。
【実用新案登録請求の範囲】 円筒状加熱管内に光フアイバ母材を挿入すると
ともに加熱延伸して光フアイバに線引きする光フ
アイバ線引炉において、上記円筒状加熱管の上部
と上記光フアイバ母材との間の間隙及び上記円筒
状加熱管の下部と光フアイバとの間の間隙の少な
くとも一方に上記加熱管内に発生するダストが光
フアイバ母材及び光フアイバに附着するのを防止
する保護管を介在させたことを特徴とする光フア
イバ線引炉。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円筒状加熱管内に光フアイバ母材を挿入すると
    ともに加熱延伸して光フアイバに線引きする光フ
    アイバ線引炉において、上記円筒状加熱管と上記
    光フアイバ母材との間の間隙の上部及び上記円筒
    状加熱管と光フアイバとの間の間隙の下部の少な
    くとも一方に上記加熱管内に発生するダストが光
    フアイバ母材及び光フアイバに附着するのを防止
    する保護管を介在させたことを特徴とする光フア
    イバ線引炉。
JP9594486U 1986-06-25 1986-06-25 Pending JPS632738U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9594486U JPS632738U (ja) 1986-06-25 1986-06-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9594486U JPS632738U (ja) 1986-06-25 1986-06-25

Publications (1)

Publication Number Publication Date
JPS632738U true JPS632738U (ja) 1988-01-09

Family

ID=30961123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9594486U Pending JPS632738U (ja) 1986-06-25 1986-06-25

Country Status (1)

Country Link
JP (1) JPS632738U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63123833A (ja) * 1986-11-14 1988-05-27 Hitachi Cable Ltd 光フアイバ線引装置
JPH0287037U (ja) * 1988-12-26 1990-07-10
KR100545814B1 (ko) * 2002-08-31 2006-01-24 엘에스전선 주식회사 광섬유 인선 용해로 및 이를 이용한 광섬유 인선방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63123833A (ja) * 1986-11-14 1988-05-27 Hitachi Cable Ltd 光フアイバ線引装置
JPH0287037U (ja) * 1988-12-26 1990-07-10
KR100545814B1 (ko) * 2002-08-31 2006-01-24 엘에스전선 주식회사 광섬유 인선 용해로 및 이를 이용한 광섬유 인선방법

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