JPS5826009U - fireproof optical cable - Google Patents

fireproof optical cable

Info

Publication number
JPS5826009U
JPS5826009U JP11868981U JP11868981U JPS5826009U JP S5826009 U JPS5826009 U JP S5826009U JP 11868981 U JP11868981 U JP 11868981U JP 11868981 U JP11868981 U JP 11868981U JP S5826009 U JPS5826009 U JP S5826009U
Authority
JP
Japan
Prior art keywords
optical cable
iron
based metal
optical fiber
metal sheath
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
JP11868981U
Other languages
Japanese (ja)
Inventor
木村　正則
小粥　幹夫
勝彦 大久保
梅津　晴夫
憲一 布施
Original Assignee
古河電気工業株式会社
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 古河電気工業株式会社 filed Critical 古河電気工業株式会社
Priority to JP11868981U priority Critical patent/JPS5826009U/en
Publication of JPS5826009U publication Critical patent/JPS5826009U/en
Pending legal-status Critical Current

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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。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

、第１図は従来の光ケーブルの加熱を受けた際の内部状
態を示す縦断面図、第２図及び第３図は本考案に係る耐
火光ケーブルの２種の実施例を示す横断面図である。, FIG. 1 is a vertical cross-sectional view showing the internal state of a conventional optical cable when it is heated, and FIGS. 2 and 3 are cross-sectional views showing two embodiments of the fire-resistant optical cable according to the present invention. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光ファイバをガラス繊維強化熱硬化性樹脂層で覆ってな
る光フアイバ心線を、加熱を受けたとき内部を酸欠状態
に維持できる鉄系金属シースの中に収容し、前記鉄系金
属シースの外周にプラスチックシースを設けたことを特
徴とする耐火光ケーブル。An optical fiber core wire formed by covering an optical fiber with a glass fiber-reinforced thermosetting resin layer is housed in an iron-based metal sheath that can maintain the interior in an oxygen-deficient state when heated, and the iron-based metal sheath is A fire-resistant optical cable characterized by having a plastic sheath around its outer periphery.
JP11868981U 1981-08-12 1981-08-12 fireproof optical cable Pending JPS5826009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11868981U JPS5826009U (en) 1981-08-12 1981-08-12 fireproof optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11868981U JPS5826009U (en) 1981-08-12 1981-08-12 fireproof optical cable

Publications (1)

Publication Number Publication Date
JPS5826009U true JPS5826009U (en) 1983-02-19

Family

ID=29912809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11868981U Pending JPS5826009U (en) 1981-08-12 1981-08-12 fireproof optical cable

Country Status (1)

Country Link
JP (1) JPS5826009U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5869808U (en) * 1981-11-04 1983-05-12 日本電信電話株式会社 fireproof optical cable
JPS6472110A (en) * 1987-08-27 1989-03-17 American Telephone & Telegraph Communication cable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843642A (en) * 1971-10-04 1973-06-23
JPS536046A (en) * 1976-07-07 1978-01-20 Sumitomo Electric Ind Ltd Optical transmission cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843642A (en) * 1971-10-04 1973-06-23
JPS536046A (en) * 1976-07-07 1978-01-20 Sumitomo Electric Ind Ltd Optical transmission cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5869808U (en) * 1981-11-04 1983-05-12 日本電信電話株式会社 fireproof optical cable
JPS6472110A (en) * 1987-08-27 1989-03-17 American Telephone & Telegraph Communication cable

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