JPH0440208U - - Google Patents

Info

Publication number
JPH0440208U
JPH0440208U JP8276890U JP8276890U JPH0440208U JP H0440208 U JPH0440208 U JP H0440208U JP 8276890 U JP8276890 U JP 8276890U JP 8276890 U JP8276890 U JP 8276890U JP H0440208 U JPH0440208 U JP H0440208U
Authority
JP
Japan
Prior art keywords
optical fiber
metal pipe
coating layer
inert gas
pipe
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
JP8276890U
Other languages
English (en)
Other versions
JP2582077Y2 (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 JP1990082768U priority Critical patent/JP2582077Y2/ja
Publication of JPH0440208U publication Critical patent/JPH0440208U/ja
Application granted granted Critical
Publication of JP2582077Y2 publication Critical patent/JP2582077Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る金属パイプ入り光フアイ
バを示す断面図、第２図は光フアイバのロス増の
経時変化を示す図、第３図は金属パイプ入り光フ
アイバの従来例を示す断面図である。 図中、１は光フアイバ素線、２は被覆材層、３
は金属製パイプ、Ｂは不活性ガス層、Ｃは不活性
ガスである。

Claims (1)

    【実用新案登録請求の範囲】
  1. 合成樹脂製の被覆材層で被覆された光フアイバ
    素線を耐熱性に優れた金属製パイプ内に挿入する
    と共に、該パイプと上記被覆材層との間に不活性
    ガスを充填した不活性ガス層を形成したことを特
    徴とする金属パイプ入り光フアイバ。
JP1990082768U 1990-08-06 1990-08-06 金属パイプ入り光ファイバ Expired - Lifetime JP2582077Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990082768U JP2582077Y2 (ja) 1990-08-06 1990-08-06 金属パイプ入り光ファイバ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990082768U JP2582077Y2 (ja) 1990-08-06 1990-08-06 金属パイプ入り光ファイバ

Publications (2)

Publication Number Publication Date
JPH0440208U true JPH0440208U (ja) 1992-04-06
JP2582077Y2 JP2582077Y2 (ja) 1998-09-30

Family

ID=31629870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990082768U Expired - Lifetime JP2582077Y2 (ja) 1990-08-06 1990-08-06 金属パイプ入り光ファイバ

Country Status (1)

Country Link
JP (1) JP2582077Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148103U (ja) * 1981-03-11 1982-09-17
JPS59144816U (ja) * 1983-03-17 1984-09-27 昭和電線電纜株式会社 複合ｏｆケ−ブル
JPS6371804A (ja) * 1986-09-16 1988-04-01 Olympus Optical Co Ltd 赤外線導波管

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148103U (ja) * 1981-03-11 1982-09-17
JPS59144816U (ja) * 1983-03-17 1984-09-27 昭和電線電纜株式会社 複合ｏｆケ−ブル
JPS6371804A (ja) * 1986-09-16 1988-04-01 Olympus Optical Co Ltd 赤外線導波管

Also Published As

Publication number Publication date
JP2582077Y2 (ja) 1998-09-30

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Legal Events

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