GB2019601A - Optical fibre cables - Google Patents

Optical fibre cables

Info

Publication number
GB2019601A
GB2019601A GB7912740A GB7912740A GB2019601A GB 2019601 A GB2019601 A GB 2019601A GB 7912740 A GB7912740 A GB 7912740A GB 7912740 A GB7912740 A GB 7912740A GB 2019601 A GB2019601 A GB 2019601A
Authority
GB
United Kingdom
Prior art keywords
optical fibre
sheath
units
conductor modules
reinforcing members
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.)
Withdrawn
Application number
GB7912740A
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.)
Telephone Cables Ltd
Original Assignee
Telephone Cables 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 Telephone Cables Ltd filed Critical Telephone Cables Ltd
Priority to GB7912740A priority Critical patent/GB2019601A/en
Publication of GB2019601A publication Critical patent/GB2019601A/en
Withdrawn legal-status Critical Current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
    • G02B6/4401—Optical cables
    • G02B6/441—Optical cables built up from sub-bundles
    • 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
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • 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
    • G02B6/4432—Protective covering with fibre reinforcements

Abstract

In an optical fibre cable comprising an assembly of transmission units, either all optical fibre waveguide units or including electrical conductor modules, at least three transmission units of circular cross- section and of equal external diameter, at least one of which is an optical fibre waveguide unit (15), are helically laid around a central reinforcing member (17), with or without intervening units, preferably conductor modules (16), which may be of smaller diameter, and possibly with one or more outer helically laid layers of conductor modules, the whole assembly being contained in a closely fitting tubular jacket (18), which may have reinforcing members embedded therein. Each optical fibre unit 15 consists of a plastic sheath having a circular cylindrical external surface, with one or more bores containing loose optical fibres, and compression resistant reinforcing members embedded in the sheath. Each electrical conductor module may consist of any desired number of wires, with or without a containing sheath. <IMAGE>
GB7912740A 1978-04-20 1979-04-11 Optical fibre cables Withdrawn GB2019601A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7912740A GB2019601A (en) 1978-04-20 1979-04-11 Optical fibre cables

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1569478 1978-04-20
GB7912740A GB2019601A (en) 1978-04-20 1979-04-11 Optical fibre cables

Publications (1)

Publication Number Publication Date
GB2019601A true GB2019601A (en) 1979-10-31

Family

ID=26251479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7912740A Withdrawn GB2019601A (en) 1978-04-20 1979-04-11 Optical fibre cables

Country Status (1)

Country Link
GB (1) GB2019601A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154316A (en) * 1981-11-16 1985-09-04 Honda Motor Co Ltd Flexible tying member for an antitheft device
GB2156094A (en) * 1984-03-14 1985-10-02 Bicc Plc Optical fibre element comprising resiliently set flexible tube
GB2159291A (en) * 1984-05-23 1985-11-27 Telephone Cables Ltd Optical fibre cables
EP0227326A2 (en) * 1985-12-02 1987-07-01 AT&T Corp. Optical fiber communications cable
DE3606589A1 (en) * 1986-02-28 1987-09-03 Siemens Ag Tension-proof and compression-proof optical submarine (undersea) cable
GB2289804A (en) * 1994-05-18 1995-11-29 Pirelli General Plc Supporting optical fibre units
EP1302797A3 (en) * 2001-10-10 2004-11-17 Alcatel Central strength member with reduced radial stiffness for optical cables
CN117031667A (en) * 2023-10-07 2023-11-10 西安西古光通信有限公司 Outdoor optical cable

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154316A (en) * 1981-11-16 1985-09-04 Honda Motor Co Ltd Flexible tying member for an antitheft device
GB2156094A (en) * 1984-03-14 1985-10-02 Bicc Plc Optical fibre element comprising resiliently set flexible tube
US4690499A (en) * 1984-03-14 1987-09-01 Bicc Public Limited Company Optical fibre element housed in a tube resiliently set in a form such that its longitudinal axis follows a path greater than the rectilinear distance between points to be connected
GB2159291A (en) * 1984-05-23 1985-11-27 Telephone Cables Ltd Optical fibre cables
EP0227326A2 (en) * 1985-12-02 1987-07-01 AT&T Corp. Optical fiber communications cable
EP0227326A3 (en) * 1985-12-02 1989-07-26 AT&T Corp. Optical fiber communications cable
DE3606589A1 (en) * 1986-02-28 1987-09-03 Siemens Ag Tension-proof and compression-proof optical submarine (undersea) cable
GB2289804A (en) * 1994-05-18 1995-11-29 Pirelli General Plc Supporting optical fibre units
GB2289804B (en) * 1994-05-18 1997-11-05 Pirelli General Plc Supporting optical fibre units
EP1302797A3 (en) * 2001-10-10 2004-11-17 Alcatel Central strength member with reduced radial stiffness for optical cables
CN117031667A (en) * 2023-10-07 2023-11-10 西安西古光通信有限公司 Outdoor optical cable
CN117031667B (en) * 2023-10-07 2024-01-30 西安西古光通信有限公司 Outdoor optical cable

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)