JPH065381Y2 - 加熱炉 - Google Patents

加熱炉

Info

Publication number
JPH065381Y2
JPH065381Y2 JP8926988U JP8926988U JPH065381Y2 JP H065381 Y2 JPH065381 Y2 JP H065381Y2 JP 8926988 U JP8926988 U JP 8926988U JP 8926988 U JP8926988 U JP 8926988U JP H065381 Y2 JPH065381 Y2 JP H065381Y2
Authority
JP
Japan
Prior art keywords
furnace
heating furnace
gas
core tube
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.)
Expired - Lifetime
Application number
JP8926988U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0211129U (en, 2012
Inventor
良三 山内
光一 原田
研二 西出
成敏 山田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujikura Ltd
Original Assignee
Fujikura Ltd
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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP8926988U priority Critical patent/JPH065381Y2/ja
Publication of JPH0211129U publication Critical patent/JPH0211129U/ja
Application granted granted Critical
Publication of JPH065381Y2 publication Critical patent/JPH065381Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Manufacture, Treatment Of Glass Fibers (AREA)
JP8926988U 1988-07-05 1988-07-05 加熱炉 Expired - Lifetime JPH065381Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8926988U JPH065381Y2 (ja) 1988-07-05 1988-07-05 加熱炉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8926988U JPH065381Y2 (ja) 1988-07-05 1988-07-05 加熱炉

Publications (2)

Publication Number Publication Date
JPH0211129U JPH0211129U (en, 2012) 1990-01-24
JPH065381Y2 true JPH065381Y2 (ja) 1994-02-09

Family

ID=31313819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8926988U Expired - Lifetime JPH065381Y2 (ja) 1988-07-05 1988-07-05 加熱炉

Country Status (1)

Country Link
JP (1) JPH065381Y2 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5183863B2 (ja) * 2004-07-22 2013-04-17 古河電気工業株式会社 光ファイバ用多孔質母材の脱水焼結方法及び脱水焼結炉

Also Published As

Publication number Publication date
JPH0211129U (en, 2012) 1990-01-24

Similar Documents

Publication Publication Date Title
US3826560A (en) Method of forming a light focusing fiber waveguide
US6053013A (en) Apparatus and method for overcladding optical fiber preform rod and optical fiber drawing method
JPS58145635A (ja) フツ素添加光フアイバの製造方法
JP2584619B2 (ja) 非軸対称光フアイバ母材の製造方法
JPH065381Y2 (ja) 加熱炉
US20030101772A1 (en) Manufacturing method for optical fiber preform
EP2380856B1 (en) Burner for producing porous glass preform
JP2521186B2 (ja) ガラス体の製造方法
JPS63248733A (ja) シングルモ−ド光フアイバ母材の製造法
JPS6465038A (en) Production of preform for single-mode optical fiber
JPS5767032A (en) Manufacture of base material for rod lens
JPS6044258B2 (ja) 合成ト−チ
JPH0561211B2 (en, 2012)
JPH06321553A (ja) フッ素ドープ石英ガラスの製造方法
JPS55158144A (en) Manufacture of optical fiber base material
JPS6065740A (ja) 光フアイバ多孔質母材の製造方法
JPS636171Y2 (en, 2012)
JPH0986948A (ja) 光ファイバ用多孔質ガラス母材の製造方法
JPH0781957A (ja) 石英系ガラス微粒子体の透明ガラス化炉及びその透明ガラス化方法
JPH027888B2 (en, 2012)
JPS6168330A (ja) 光学ガラス微粒子の生成方法
JPS56155037A (en) Preparation of optical fiber with low loss
JPH04160026A (ja) ガラス微粒子生成用バーナ
JP3127176B2 (ja) 光ファイバ用プリフォームの製造方法
JPH0665614B2 (ja) 光ファイバ母材の製造方法