JPS5740208A - Optical cable - Google Patents

Optical cable

Info

Publication number
JPS5740208A
JPS5740208A JP55115821A JP11582180A JPS5740208A JP S5740208 A JPS5740208 A JP S5740208A JP 55115821 A JP55115821 A JP 55115821A JP 11582180 A JP11582180 A JP 11582180A JP S5740208 A JPS5740208 A JP S5740208A
Authority
JP
Japan
Prior art keywords
cable
optical
covering
around
optical cable
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
JP55115821A
Other languages
Japanese (ja)
Inventor
Hiroshi Ishihara
Naoya Uchida
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP55115821A priority Critical patent/JPS5740208A/en
Publication of JPS5740208A publication Critical patent/JPS5740208A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4431—Protective covering with provision in the protective covering, e.g. weak line, for gaining access to one or more fibres, e.g. for branching or tapping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Insulated Conductors (AREA)

Abstract

PURPOSE:To simplify branching and connection work of an optical cable used for line construction work by coating or twisting plural optical unit cables which are obtained by collecting plural optical fiber cores around each tensile strength element and coating them with outer covering respectively to form the optical cable. CONSTITUTION:An optical unit cable 15 constituting an optical cable 18 used for line construction work is formed by collecting optical fiber cores 4 around a center tensil strength element 3 and attaching a buffer layer 5 and outer coating 14 around the optical fiber cores. The plural unit cables 15 are collected around the center tensile strength element 1 and coated with a lap tape 16 and cable outer covering 17 to form a complete optical cable 18. To branch the cable 18, the covering 17 is removed by the length required up to a manhole 10 after distributing the cable and a calbe 15 to be branched is cut off and connected to an optical cable 12 to be branched. Since a sufficiently long cable 15 from which the covering 17 has been removed is prepared, the remaining length used for connection can be secured, so that a miniatulized covering connector 19 can be used.
JP55115821A 1980-08-25 1980-08-25 Optical cable Pending JPS5740208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55115821A JPS5740208A (en) 1980-08-25 1980-08-25 Optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55115821A JPS5740208A (en) 1980-08-25 1980-08-25 Optical cable

Publications (1)

Publication Number Publication Date
JPS5740208A true JPS5740208A (en) 1982-03-05

Family

ID=14671933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55115821A Pending JPS5740208A (en) 1980-08-25 1980-08-25 Optical cable

Country Status (1)

Country Link
JP (1) JPS5740208A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06116767A (en) * 1992-10-02 1994-04-26 Chugai Ro Co Ltd Method for washing parts stuck with quenching oil
CN105023639A (en) * 2015-06-16 2015-11-04 江苏亨通电力电缆有限公司 Intelligent optical fiber composite cable with optical unit laid later

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06116767A (en) * 1992-10-02 1994-04-26 Chugai Ro Co Ltd Method for washing parts stuck with quenching oil
CN105023639A (en) * 2015-06-16 2015-11-04 江苏亨通电力电缆有限公司 Intelligent optical fiber composite cable with optical unit laid later

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