DK3207415T3 - Centralt loose-tube optisk fiberkabel - Google Patents

Centralt loose-tube optisk fiberkabel Download PDF

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Publication number
DK3207415T3
DK3207415T3 DK14789948.8T DK14789948T DK3207415T3 DK 3207415 T3 DK3207415 T3 DK 3207415T3 DK 14789948 T DK14789948 T DK 14789948T DK 3207415 T3 DK3207415 T3 DK 3207415T3
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DK
Denmark
Prior art keywords
optical fiber
less
percent
fiber cable
yarns
Prior art date
Application number
DK14789948.8T
Other languages
English (en)
Inventor
Brian G Risch
Denise Collado
Original Assignee
Prysmian 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 Prysmian Spa filed Critical Prysmian Spa
Application granted granted Critical
Publication of DK3207415T3 publication Critical patent/DK3207415T3/da

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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
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • G02B6/4433—Double reinforcement laying in straight line with optical transmission element
    • 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
    • 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
    • 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
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4486—Protective covering

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ropes Or Cables (AREA)
  • Communication Cables (AREA)
  • Insulated Conductors (AREA)
  • Woven Fabrics (AREA)

Claims (14)

1. Optisk fiberkabel, omfattende: et polymert bufferrør, der afgrænser en indervæg, og en ydervæg og et ringformet rum, og en flerhed af optiske fibre placeret inde i det polymere bufferrørs ringformede rum; en kabelkappe, der omgiver det polymere bufferrør og flerheden af optiske fibre placeret inde i det polymere bufferrørs ringformede rum, idet kabelkappen afgrænser en indervæg og en ydervæg, hvor kabelkappens samlede krympningsspænding ved -40°C er 12 MPa eller mindre; og et lag snoede styrkegarner placeret mellem det polymere bufferrørs ydervæg og kabelkappens indervæg, hvor de snoede styrkegarner omfatter både fiberglasstyrkegarner og aramidstyrkegarner, hvor (i) styrkegarnerne har en forlængelse på mindre end 0,6 procent ved en belastning på 200 Ibf (889,64 N), og (ii) fiberglasstyrkegarnerne tilvejebringer mindst 55 procent af trækstyrken af det kombinerede styrkegarn; hvor det optiske fiberkabel ikke har nogen stive styrkeelementer.
2. Optisk fiberkabel ifølge krav 1, hvor kabelkappens samlede krympningsspænding ved -40°C er 11 MPa eller mindre.
3. Optisk fiberkabel ifølge krav 1 eller 2, hvor kabelkappen omfatter en polymer med lav krympning med en varmeudvidelseskoefficient (CTE) på 140x10_6/°C eller mindre ved 20°C og 75x10_6/°C eller mindre ved -40°C.
4. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor kabelkappen ved -40°C har en varmeudvidelseskoefficient (CTE) på 100x10_6/°C eller mindre og et modul på 2000 MPa eller mindre.
5. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor kabelkappen ved 20°C har et modul på 500 MPa eller mindre.
6. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor kabelkappen omfatter lineær polyethylen med lav densitet (LLDPE) eller polypropylen-ethylen-octen-copolymerer.
7. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor den samlede kabel-EFL er mindre en 0,3 procent ved 23°C, fortrinsvis mindre end 0,2 procent ved 23°C, mere fortrinsvis mindre end 0,1 procent ved 23°C.
8. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor fiberglasstyrke-garnerne tilvejebringer mellem 60 procent og 95 procent, fortrinsvis mellem 65 procent og 90 procent, mere fortrinsvis mellem 70 procent og 85 procent af trækstyrken af det kombinerede styrkegarn.
9. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor fiberglasstyrke-garnerne består af mellem 3 vægtprocent og 8 vægtprocent polymerer.
10. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor styrkegarnerne har en forlængelse på mindre end 1,0 procent ved en belastning på 300 Ibf (1334,47 N).
11. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor styrkegarnerne omfatter vandopsvulmelige aramidstyrkegarner.
12. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor det polymere bufferrør omfatter polypropylen eller polybutylenterephthalat (PBT).
13. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor det polymere bufferrør omfatter nukleeret polyethylen, nukleeret polypropylen eller en copolymer eller en blanding deraf.
14. Optisk fiberkabel ifølge ethvert af de foregående krav, hvor det polymere bufferrør har (i) en indvendig diameter på 1,4 millimeter eller mindre og (ii) en udvendig diameter på 3,0 millimeter eller mindre.
DK14789948.8T 2014-10-14 2014-10-14 Centralt loose-tube optisk fiberkabel DK3207415T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2014/060427 WO2016060647A1 (en) 2014-10-14 2014-10-14 Central loose tube optical-fiber cable

Publications (1)

Publication Number Publication Date
DK3207415T3 true DK3207415T3 (da) 2019-03-18

Family

ID=51799330

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14789948.8T DK3207415T3 (da) 2014-10-14 2014-10-14 Centralt loose-tube optisk fiberkabel

Country Status (6)

Country Link
US (1) US9915799B2 (da)
EP (1) EP3207415B1 (da)
CN (1) CN107076944B (da)
DK (1) DK3207415T3 (da)
ES (1) ES2712853T3 (da)
WO (1) WO2016060647A1 (da)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK3207415T3 (da) 2014-10-14 2019-03-18 Prysmian Spa Centralt loose-tube optisk fiberkabel
US10131774B2 (en) * 2016-11-16 2018-11-20 Corning Optical Communications LLC Fiber optic cable having low thermal strain and methods of manufacturing the same according to ASTM D4065 and D638
EP3553578B1 (en) * 2016-12-06 2023-06-07 Sumitomo Electric Industries, Ltd. Intermittent connection type optical fiber tape core, method for manufacturing same, optical fiber cable, and optical fiber cord
US20180329095A1 (en) * 2017-05-09 2018-11-15 Ofs Fitel, Llc Optical fiber acoustic sensing cable for distributed acoustic sensing over long distances and in harsh environments
US10451795B2 (en) * 2017-11-16 2019-10-22 Ofs Fitel, Llc Optical fiber for applications requiring high system optical signal-to-noise ratio performance and low degradation from nonlinear impairments
US10663682B2 (en) 2017-11-20 2020-05-26 Corning Research & Development Corporation Low shrink and small bend performing drop cable
EP3874306A4 (en) 2018-11-02 2022-07-20 Corning Research & Development Corporation NON-PREFERENTIAL BENDING FLEXIBLE SHEATHING FOR FIBER OPTIC CABLES
WO2020176203A1 (en) * 2019-02-26 2020-09-03 Corning Research & Development Corporation Optical fiber cable jacket with low modulus of elasticity
US11215777B2 (en) 2019-07-31 2022-01-04 Corning Research & Development Corporation Cable skin layer with access sections integrated into a cable jacket
AU2019472715B2 (en) * 2019-10-30 2022-11-03 Fujikura Ltd. Intermittently connected optical fiber ribbon and method for manufacturing intermittently connected optical fiber ribbon
CN112433316B (zh) * 2020-12-03 2022-06-14 江苏亨通光电股份有限公司 一种中心管式微缆加工系统和制造工艺

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Publication number Priority date Publication date Assignee Title
US4892382A (en) 1988-09-26 1990-01-09 Siecor Corporation Dielectric optical drop cable
US5109457A (en) 1988-12-14 1992-04-28 At&T Bell Laboratories All-dielectric optical fiber cable having enhanced fiber access
US5422973A (en) 1994-03-28 1995-06-06 Siecor Corporation Water blocked unfilled single tube cable
US7403687B2 (en) 2001-12-21 2008-07-22 Pirelli Communications Cables And Systems Usa, Llc Reinforced tight-buffered optical fiber and cables made with same
US6941049B2 (en) * 2003-06-18 2005-09-06 Alcatel Fiber optic cable having no rigid strength members and a reduced coefficient of thermal expansion
US7515795B2 (en) 2005-07-20 2009-04-07 Draka Comteq B.V. Water-swellable tape, adhesive-backed for coupling when used inside a buffer tube
US20080273845A1 (en) 2007-05-03 2008-11-06 Weimann Peter A Optical fiber cables
US20080279514A1 (en) * 2007-05-08 2008-11-13 Dieter Kundis Optical cable and method of manufacturing an optical cable
DK2206001T3 (da) 2007-11-09 2014-07-07 Draka Comteq Bv Optisk fiber, der er modstandsdygtig over for mikrobøjning
US7970247B2 (en) 2008-09-12 2011-06-28 Draka Comteq B.V. Buffer tubes for mid-span storage
US8489219B1 (en) 2009-01-30 2013-07-16 Draka Comteq B.V. Process for making loose buffer tubes having controlled excess fiber length and reduced post-extrusion shrinkage
US8682123B2 (en) * 2010-07-15 2014-03-25 Draka Comteq, B.V. Adhesively coupled optical fibers and enclosing tape
DK3207415T3 (da) 2014-10-14 2019-03-18 Prysmian Spa Centralt loose-tube optisk fiberkabel

Also Published As

Publication number Publication date
EP3207415A1 (en) 2017-08-23
US9915799B2 (en) 2018-03-13
WO2016060647A1 (en) 2016-04-21
CN107076944B (zh) 2019-07-16
ES2712853T3 (es) 2019-05-16
US20170235069A1 (en) 2017-08-17
EP3207415B1 (en) 2018-12-26
CN107076944A (zh) 2017-08-18

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