JPH0343215Y2 - - Google Patents

Info

Publication number
JPH0343215Y2
JPH0343215Y2 JP14568085U JP14568085U JPH0343215Y2 JP H0343215 Y2 JPH0343215 Y2 JP H0343215Y2 JP 14568085 U JP14568085 U JP 14568085U JP 14568085 U JP14568085 U JP 14568085U JP H0343215 Y2 JPH0343215 Y2 JP H0343215Y2
Authority
JP
Japan
Prior art keywords
furnace
core tube
heating element
tube
carbon
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
JP14568085U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6255530U (en, 2012
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 JP14568085U priority Critical patent/JPH0343215Y2/ja
Publication of JPS6255530U publication Critical patent/JPS6255530U/ja
Application granted granted Critical
Publication of JPH0343215Y2 publication Critical patent/JPH0343215Y2/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

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)
  • Tunnel Furnaces (AREA)
  • Furnace Details (AREA)
JP14568085U 1985-09-26 1985-09-26 Expired JPH0343215Y2 (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14568085U JPH0343215Y2 (en, 2012) 1985-09-26 1985-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14568085U JPH0343215Y2 (en, 2012) 1985-09-26 1985-09-26

Publications (2)

Publication Number Publication Date
JPS6255530U JPS6255530U (en, 2012) 1987-04-06
JPH0343215Y2 true JPH0343215Y2 (en, 2012) 1991-09-10

Family

ID=31057443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14568085U Expired JPH0343215Y2 (en, 2012) 1985-09-26 1985-09-26

Country Status (1)

Country Link
JP (1) JPH0343215Y2 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0799309B2 (ja) * 1992-05-18 1995-10-25 品川白煉瓦株式会社 超高温試験又は処理方法

Also Published As

Publication number Publication date
JPS6255530U (en, 2012) 1987-04-06

Similar Documents

Publication Publication Date Title
US4082420A (en) An optical transmission fiber containing fluorine
KR920010088B1 (ko) 고순도 석영모재 제조용 가열로
US4161505A (en) Process for producing optical transmission fiber
JP2975642B2 (ja) ハーメチックコートファイバとその製造方法
US4295869A (en) Process for producing optical transmission fiber
KR100524158B1 (ko) 감소된 ｈ２ 민감도를 갖는 광섬유
US4165152A (en) Process for producing optical transmission fiber
JP2001510137A5 (en, 2012)
JPH0343215Y2 (en, 2012)
JPH0332503Y2 (en, 2012)
JPH0648325B2 (ja) 光ファイバ及びその製造方法
KR20010031525A (ko) 도파관 섬유 인발방법 및 장치
JPS61136941A (ja) 金属被覆光フアイバの製造方法
JPH0436100B2 (en, 2012)
JP2727702B2 (ja) カーボンコート光ファイバの製造方法
JP2798790B2 (ja) 光ファイバの製造方法
JPH02145462A (ja) ハーメチックコートフアイバの製造方法
JP2551068Y2 (ja) 耐熱性光ファイバ及び金属パイプ入り耐熱性光ファイバ
JPS6051631A (ja) 光フアイバの製造方法
JPS6051630A (ja) 光フアイバの製造方法
JP2893873B2 (ja) 光ファイバ用ガラス母材製造用加熱炉
JPS5949503A (ja) 多モ−ド光フアイバ
JPH0350134A (ja) フッ化物ガラス光ファイバの線引き方法
JPS6051632A (ja) 光フアイバの製造方法
JPS5827213B2 (ja) 光伝送路及びその製法