GB2230109B - Core for an optical fibre cable or overhead ground wire - Google Patents

Core for an optical fibre cable or overhead ground wire

Info

Publication number
GB2230109B
GB2230109B GB9006707A GB9006707A GB2230109B GB 2230109 B GB2230109 B GB 2230109B GB 9006707 A GB9006707 A GB 9006707A GB 9006707 A GB9006707 A GB 9006707A GB 2230109 B GB2230109 B GB 2230109B
Authority
GB
United Kingdom
Prior art keywords
core
ground wire
optical fibre
overhead ground
fibre 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.)
Expired - Fee Related
Application number
GB9006707A
Other versions
GB2230109A (en
GB9006707D0 (en
Inventor
Franco Galimberti
Ubaldo Vallauri
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.)
Pirelli and C SpA
Original Assignee
Pirelli Cavi SpA
Cavi Pirelli SpA
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 Pirelli Cavi SpA, Cavi Pirelli SpA filed Critical Pirelli Cavi SpA
Publication of GB9006707D0 publication Critical patent/GB9006707D0/en
Publication of GB2230109A publication Critical patent/GB2230109A/en
Application granted granted Critical
Publication of GB2230109B publication Critical patent/GB2230109B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4434—Central member to take up tensile loads
    • 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
    • G02B6/4407—Optical cables with internal fluted support member
    • 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
    • G02B6/4422—Heterogeneous cables of the overhead type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Communication Cables (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB9006707A 1989-03-24 1990-03-26 Core for an optical fibre cable or overhead ground wire Expired - Fee Related GB2230109B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8919900A IT1228878B (en) 1989-03-24 1989-03-24 IMPROVEMENT IN OPTICAL FIBER SUPPORT STRUCTURES FOR GUARD ROPES AND FIBER OPTIC CABLES.

Publications (3)

Publication Number Publication Date
GB9006707D0 GB9006707D0 (en) 1990-05-23
GB2230109A GB2230109A (en) 1990-10-10
GB2230109B true GB2230109B (en) 1993-08-18

Family

ID=11162185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9006707A Expired - Fee Related GB2230109B (en) 1989-03-24 1990-03-26 Core for an optical fibre cable or overhead ground wire

Country Status (6)

Country Link
AU (1) AU614462B2 (en)
BR (1) BR9001647A (en)
ES (1) ES2022008A6 (en)
GB (1) GB2230109B (en)
IT (1) IT1228878B (en)
NZ (1) NZ233009A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822484A (en) * 1996-06-21 1998-10-13 Lucent Technologies Inc. Lightweight optical groundwire
US20040120664A1 (en) * 2002-12-19 2004-06-24 Alcatel Anti-rotational central strength member
WO2016144334A1 (en) 2015-03-10 2016-09-15 Halliburton Energy Services Inc. A strain sensitive optical fiber cable package for downhole distributed acoustic sensing
WO2016144337A1 (en) 2015-03-10 2016-09-15 Halliburton Energy Services Inc. A Method of Manufacturing a Distributed Acoustic Sensing Cable
WO2016144336A1 (en) 2015-03-10 2016-09-15 Halliburton Energy Services Inc. A wellbore monitoring system using strain sensitive optical fiber cable package
US10365537B1 (en) 2018-01-08 2019-07-30 Saudi Arabian Oil Company Directional sensitive fiber optic cable wellbore system
US10247838B1 (en) 2018-01-08 2019-04-02 Saudi Arabian Oil Company Directional sensitive fiber optic cable wellbore system
US11619097B2 (en) 2021-05-24 2023-04-04 Saudi Arabian Oil Company System and method for laser downhole extended sensing
US11725504B2 (en) 2021-05-24 2023-08-15 Saudi Arabian Oil Company Contactless real-time 3D mapping of surface equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185334A (en) * 1986-01-07 1987-07-15 Bicc Plc Elongate flexible core for optical cable
JPS62184410A (en) * 1986-02-10 1987-08-12 Nippon Telegr & Teleph Corp <Ntt> Optical fiber core wire
GB2197497A (en) * 1986-11-13 1988-05-18 Stc Plc Optical fibre cable
US4770493A (en) * 1985-03-07 1988-09-13 Doroyokuro Kakunenryo Kaihatsu Jigyodan Heat and radiation resistant optical fiber
EP0293725A2 (en) * 1987-06-01 1988-12-07 PIRELLI CAVI S.p.A. Optical fiber cable
GB2214652A (en) * 1988-01-21 1989-09-06 Stc Plc Ruggedised optical fibres having high temperature resistant coating
GB2214653A (en) * 1988-01-21 1989-09-06 Stc Plc High Temperature optical cables

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770493A (en) * 1985-03-07 1988-09-13 Doroyokuro Kakunenryo Kaihatsu Jigyodan Heat and radiation resistant optical fiber
GB2185334A (en) * 1986-01-07 1987-07-15 Bicc Plc Elongate flexible core for optical cable
JPS62184410A (en) * 1986-02-10 1987-08-12 Nippon Telegr & Teleph Corp <Ntt> Optical fiber core wire
GB2197497A (en) * 1986-11-13 1988-05-18 Stc Plc Optical fibre cable
EP0293725A2 (en) * 1987-06-01 1988-12-07 PIRELLI CAVI S.p.A. Optical fiber cable
GB2214652A (en) * 1988-01-21 1989-09-06 Stc Plc Ruggedised optical fibres having high temperature resistant coating
GB2214653A (en) * 1988-01-21 1989-09-06 Stc Plc High Temperature optical cables

Also Published As

Publication number Publication date
ES2022008A6 (en) 1991-11-16
IT8919900A0 (en) 1989-03-24
AU5204290A (en) 1990-09-27
AU614462B2 (en) 1991-08-29
IT1228878B (en) 1991-07-05
NZ233009A (en) 1991-06-25
GB2230109A (en) 1990-10-10
GB9006707D0 (en) 1990-05-23
BR9001647A (en) 1991-05-07

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090326