JPS6025939U - Optical fiber for detecting oil etc. - Google Patents

Optical fiber for detecting oil etc.

Info

Publication number
JPS6025939U
JPS6025939U JP11564683U JP11564683U JPS6025939U JP S6025939 U JPS6025939 U JP S6025939U JP 11564683 U JP11564683 U JP 11564683U JP 11564683 U JP11564683 U JP 11564683U JP S6025939 U JPS6025939 U JP S6025939U
Authority
JP
Japan
Prior art keywords
optical fiber
detecting oil
oil etc
bending
tension member
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
JP11564683U
Other languages
Japanese (ja)
Inventor
慎一 矢野
和昭 吉田
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 JP11564683U priority Critical patent/JPS6025939U/en
Publication of JPS6025939U publication Critical patent/JPS6025939U/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) [Summary] 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 drawings]

第1図は本考案に係る光ファイバの一例を示す説明図、
第2図、第3図は本考案に係る光ファイバの異種例を示
す説明図、第4図は本考案に係る光ファイバと従来の光
ファイバとの伝送損失の比較説明図、第5図は光ファイ
バの曲げ径と伝送損失との関係を示す説明図である。 1は光ファイバ、2はテンションメンバ。
FIG. 1 is an explanatory diagram showing an example of an optical fiber according to the present invention,
Figures 2 and 3 are explanatory diagrams showing different types of optical fibers according to the present invention, Figure 4 is an explanatory diagram comparing transmission loss between the optical fiber according to the present invention and a conventional optical fiber, and Figure 5 is an explanatory diagram showing different types of optical fibers according to the present invention. FIG. 2 is an explanatory diagram showing the relationship between the bending diameter of an optical fiber and transmission loss. 1 is an optical fiber, 2 is a tension member.

Claims (1)

【実用新案登録請求の範囲】 (1)光ファイバを、螺旋状、渦巻状、同心円状等に曲
げてなる油等の検知用光ファイバ。 (2+  光ファイバをテンションメンバに螺旋状に巻
くことにより光ファイバを曲げてなる実用新案登録請求
の範囲第1項記載の油等の検知用光ファイバ。 (3)  テンションメンバが光ファイバである実用新
案登録請求の範囲第1項記載の油等の検知用光ファイバ
[Claims for Utility Model Registration] (1) An optical fiber for detecting oil, etc., made by bending an optical fiber into a spiral, spiral, concentric, etc. shape. (2+ Optical fiber for detecting oil, etc. according to claim 1, which is obtained by bending an optical fiber by spirally winding the optical fiber around a tension member. (3) Practical use in which the tension member is an optical fiber. An optical fiber for detecting oil, etc. as set forth in claim 1 of the patent registration claim.
JP11564683U 1983-07-27 1983-07-27 Optical fiber for detecting oil etc. Pending JPS6025939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11564683U JPS6025939U (en) 1983-07-27 1983-07-27 Optical fiber for detecting oil etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11564683U JPS6025939U (en) 1983-07-27 1983-07-27 Optical fiber for detecting oil etc.

Publications (1)

Publication Number Publication Date
JPS6025939U true JPS6025939U (en) 1985-02-21

Family

ID=30266886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11564683U Pending JPS6025939U (en) 1983-07-27 1983-07-27 Optical fiber for detecting oil etc.

Country Status (1)

Country Link
JP (1) JPS6025939U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002296141A (en) * 2001-03-30 2002-10-09 T & T:Kk Liquid leakage sensor
WO2012020514A1 (en) * 2010-08-10 2012-02-16 株式会社Ihiエスキューブ Liquid detector and liquid identifying system
JP2016166801A (en) * 2015-03-10 2016-09-15 北海道電力株式会社 Oil leakage detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002296141A (en) * 2001-03-30 2002-10-09 T & T:Kk Liquid leakage sensor
WO2012020514A1 (en) * 2010-08-10 2012-02-16 株式会社Ihiエスキューブ Liquid detector and liquid identifying system
JP2016166801A (en) * 2015-03-10 2016-09-15 北海道電力株式会社 Oil leakage detector

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