JPS60176097U - 抵抗発熱体電気炉 - Google Patents

抵抗発熱体電気炉

Info

Publication number
JPS60176097U
JPS60176097U JP6235384U JP6235384U JPS60176097U JP S60176097 U JPS60176097 U JP S60176097U JP 6235384 U JP6235384 U JP 6235384U JP 6235384 U JP6235384 U JP 6235384U JP S60176097 U JPS60176097 U JP S60176097U
Authority
JP
Japan
Prior art keywords
heating element
arc
electric furnace
shaped
resistance heating
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
JP6235384U
Other languages
English (en)
Other versions
JPS634959Y2 (ja
Inventor
茂樹 坂口
Original Assignee
日本電信電話株式会社
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 by 日本電信電話株式会社 filed Critical 日本電信電話株式会社
Priority to JP6235384U priority Critical patent/JPS60176097U/ja
Publication of JPS60176097U publication Critical patent/JPS60176097U/ja
Application granted granted Critical
Publication of JPS634959Y2 publication Critical patent/JPS634959Y2/ja
Granted 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)
  • Resistance Heating (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は本考案の一実施例の断面図、第２図は第１図の
■−■線に沿う断面図である。 １・・・・・・炉体、２ａｙ２ｂ・・・・・・電極、４
・・・・・・発熱体、５ａ、　５ｂ・・・・・・発熱体
リード部、６・・・・・・スペーサ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円筒状の耐熱導電材料からなる発熱体を有する抵抗発熱
    体電気炉において、炉体の内壁に沿って円弧状の電極が
    設けられ、前記発熱体側の円弧状発熱体リード部が前記
    電極に内接して備えられ、前記円弧状発熱体リード部の
    内周部に、テーパを有するリング状のスペーサが挿入れ
    て、前記円弧状発熱体リード部が前記円弧状の電極に押
    し付けられて保持されていることを特徴とする抵抗発熱
    体電気炉。
JP6235384U 1984-04-27 1984-04-27 抵抗発熱体電気炉 Granted JPS60176097U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6235384U JPS60176097U (ja) 1984-04-27 1984-04-27 抵抗発熱体電気炉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6235384U JPS60176097U (ja) 1984-04-27 1984-04-27 抵抗発熱体電気炉

Publications (2)

Publication Number Publication Date
JPS60176097U true JPS60176097U (ja) 1985-11-21
JPS634959Y2 JPS634959Y2 (ja) 1988-02-09

Family

ID=30591491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6235384U Granted JPS60176097U (ja) 1984-04-27 1984-04-27 抵抗発熱体電気炉

Country Status (1)

Country Link
JP (1) JPS60176097U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10310444A (ja) * 1997-05-01 1998-11-24 Fujikura Ltd 光ファイバ用母材製造用加熱炉

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982420A (en) * 1908-07-20 1911-01-24 Nat Carbon Co Electric furnace.
US3160693A (en) * 1962-04-26 1964-12-08 Titanium Metals Corp Furnace for determining melting points of metals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982420A (en) * 1908-07-20 1911-01-24 Nat Carbon Co Electric furnace.
US3160693A (en) * 1962-04-26 1964-12-08 Titanium Metals Corp Furnace for determining melting points of metals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10310444A (ja) * 1997-05-01 1998-11-24 Fujikura Ltd 光ファイバ用母材製造用加熱炉

Also Published As

Publication number Publication date
JPS634959Y2 (ja) 1988-02-09

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