JP2009526266A5 - - Google Patents

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Publication number
JP2009526266A5
JP2009526266A5 JP2008554220A JP2008554220A JP2009526266A5 JP 2009526266 A5 JP2009526266 A5 JP 2009526266A5 JP 2008554220 A JP2008554220 A JP 2008554220A JP 2008554220 A JP2008554220 A JP 2008554220A JP 2009526266 A5 JP2009526266 A5 JP 2009526266A5
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JP
Japan
Prior art keywords
optical fiber
dry insert
cable
cavity
optical waveguide
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.)
Granted
Application number
JP2008554220A
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English (en)
Japanese (ja)
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JP5410097B2 (ja
JP2009526266A (ja
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Publication date
Priority claimed from US11/351,456 external-priority patent/US7277615B2/en
Application filed filed Critical
Publication of JP2009526266A publication Critical patent/JP2009526266A/ja
Publication of JP2009526266A5 publication Critical patent/JP2009526266A5/ja
Application granted granted Critical
Publication of JP5410097B2 publication Critical patent/JP5410097B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2008554220A 2006-02-10 2006-08-16 ドライインサートを有する光ファイバケーブル及びその製造方法 Expired - Fee Related JP5410097B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/351,456 US7277615B2 (en) 2002-12-19 2006-02-10 Fiber optic cable having a dry insert and methods of making the same
US11/351,456 2006-02-10
PCT/US2006/031902 WO2007092046A1 (en) 2006-02-10 2006-08-16 Fiber optic cable having a dry insert and methods of making the same

Publications (3)

Publication Number Publication Date
JP2009526266A JP2009526266A (ja) 2009-07-16
JP2009526266A5 true JP2009526266A5 (enExample) 2009-10-01
JP5410097B2 JP5410097B2 (ja) 2014-02-05

Family

ID=38345485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008554220A Expired - Fee Related JP5410097B2 (ja) 2006-02-10 2006-08-16 ドライインサートを有する光ファイバケーブル及びその製造方法

Country Status (8)

Country Link
US (1) US7277615B2 (enExample)
EP (1) EP1982223B1 (enExample)
JP (1) JP5410097B2 (enExample)
CN (1) CN101401018B (enExample)
AU (1) AU2006337663B2 (enExample)
CA (1) CA2642016C (enExample)
ES (1) ES2614633T3 (enExample)
WO (1) WO2007092046A1 (enExample)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6970629B2 (en) 2002-12-19 2005-11-29 Corning Cable Systems Llc Optical tube assembly having a dry insert and methods of making the same
US7471862B2 (en) 2002-12-19 2008-12-30 Corning Cable Systems, Llc Dry fiber optic cables and assemblies
US7336873B2 (en) 2002-12-19 2008-02-26 Corning Cable Systems, Llc. Optical tube assembly having a dry insert and methods of making the same
US7415181B2 (en) * 2005-07-29 2008-08-19 Corning Cable Systems Llc Fiber optic cables and assemblies for fiber to the subscriber applications
US7599589B2 (en) * 2005-07-20 2009-10-06 Draka Comteq B.V. Gel-free buffer tube with adhesively coupled optical element
US7567739B2 (en) * 2007-01-31 2009-07-28 Draka Comteq B.V. Fiber optic cable having a water-swellable element
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
US7391944B2 (en) * 2005-08-25 2008-06-24 Draka Comteq B.V. Fiber optic cable with a concave surface
US7272289B2 (en) * 2005-09-30 2007-09-18 Corning Incorporated Low bend loss optical fiber
US8582938B2 (en) 2006-05-11 2013-11-12 Corning Cable Systems Llc Fiber optic distribution cables and structures therefore
US7664354B2 (en) * 2006-08-01 2010-02-16 Nexans System and method for loose tube tight buffer indoor/outdoor optical fiber cable
US7406232B2 (en) * 2006-08-31 2008-07-29 Corning Cable Systems Llc Non-round fiber optic cable having improved major axis crush resistance
US7536073B2 (en) 2006-11-22 2009-05-19 Corning Cable Systems Llc Fiber optic cable having a dry insert and offset cavity
US7406233B2 (en) 2006-11-22 2008-07-29 Corning Cable Systems Llc Fiber optic cable having a dry insert with a fold
US7463812B2 (en) * 2007-01-19 2008-12-09 Adc Telecommunications, Inc. Overhead cable termination arrangement
US20080205830A1 (en) * 2007-02-23 2008-08-28 Superior Essex Communications Lp Method and apparatus for protecting optical fibers of a cable
US20090034918A1 (en) * 2007-07-31 2009-02-05 William Eric Caldwell Fiber optic cables having coupling and methods therefor
US7529451B2 (en) * 2007-07-31 2009-05-05 Corning Cable Systems Llc Fiber optic cables using dry inserts for coupling and methods therefor
US7539380B1 (en) * 2007-11-26 2009-05-26 Corning Cable Systems Llc Fiber optic cables and assemblies for fiber toward the subscriber applications
US7567741B2 (en) * 2007-11-26 2009-07-28 Corning Cable Systems Llc Fiber optic cables and assemblies for fiber toward the subscriber applications
EP2294467A4 (en) * 2008-05-27 2015-02-25 Adc Telecommunications Inc GLASS FIBER CABLE WITH MULTIPLE COVERING
US7916989B2 (en) 2008-07-31 2011-03-29 Corning Cable Systems Llc Optical fiber assemblies having a powder or powder blend at least partially mechanically attached
EP2383593B1 (en) 2008-08-15 2013-06-19 Corning Cable Systems LLC Optical fiber assemblies, and methods and apparatus for the manufacture thereof
WO2010039530A1 (en) 2008-09-23 2010-04-08 Corning Cable Systems Llc Fiber optic cables and assemblies for fiber toward the subscriber applications
US7729584B2 (en) * 2008-10-01 2010-06-01 Corning Cable Systems Llc Method of providing mid-span access to an optical fiber ribbon cable and the optical fiber ribbon cable
US20100109174A1 (en) * 2008-11-05 2010-05-06 George Cornelius Abernathy Method for drop cable having an oval cavity
AU2009322446A1 (en) 2008-12-02 2011-06-30 Corning Cable Systems Llc Optical fiber array cables and associated fiber optic cables and systems
ES2735999T3 (es) 2008-12-09 2019-12-23 Prysmian Spa Cable óptico con núcleo seco y tubos de protección secos
ES2573329T3 (es) 2008-12-30 2016-06-07 Draka Comteq B.V. Cable de fibra óptica que comprende un elemento de bloqueo al agua perforado
US9842670B2 (en) * 2013-11-08 2017-12-12 Rockbestos Surprenant Cable Corp. Cable having polymer with additive for increased linear pullout resistance
US8625945B1 (en) * 2009-05-13 2014-01-07 Draka Comteq, B.V. Low-shrink reduced-diameter dry buffer tubes
US8625944B1 (en) * 2009-05-13 2014-01-07 Draka Comteq, B.V. Low-shrink reduced-diameter buffer tubes
US8781277B2 (en) 2009-07-13 2014-07-15 Prysmian S.P.A. Optical fiber cable having dummy rods with non-circular cross-section
US9042693B2 (en) * 2010-01-20 2015-05-26 Draka Comteq, B.V. Water-soluble water-blocking element
US20110262089A1 (en) * 2010-04-23 2011-10-27 Kuang-Bang Hsu Small-diameter high bending-resistance fiber optic cable
US8682123B2 (en) 2010-07-15 2014-03-25 Draka Comteq, B.V. Adhesively coupled optical fibers and enclosing tape
US9120693B2 (en) 2010-11-08 2015-09-01 Corning Incorporated Multi-core optical fiber ribbons and methods for making the same
AU2012285834B2 (en) * 2011-07-21 2016-02-25 Commscope Technologies Llc Method for extruding a drop cable
US8682124B2 (en) * 2011-10-13 2014-03-25 Corning Cable Systems Llc Access features of armored flat fiber optic cable
AU2012340980B2 (en) * 2011-11-23 2016-03-17 Commscope Technologies Llc Multi-fiber fiber optic connector
US9052459B2 (en) 2012-03-23 2015-06-09 Corning Cable Systems Llc Cable assembly and method
US9557505B2 (en) 2013-03-18 2017-01-31 Commscope Technologies Llc Power and optical fiber interface
CN105247805B (zh) 2013-03-18 2017-12-08 阿德斯电信公司 用于无线网络的架构
CA2912515C (en) * 2013-05-14 2021-08-03 Adc Telecommunications, Inc. Power/fiber hybrid cable
US9415551B2 (en) 2013-06-13 2016-08-16 Corning Cable Systems Llc Coupling system for a fiber optic cable
US9075212B2 (en) 2013-09-24 2015-07-07 Corning Optical Communications LLC Stretchable fiber optic cable
US8805144B1 (en) 2013-09-24 2014-08-12 Corning Optical Communications LLC Stretchable fiber optic cable
WO2015102817A1 (en) * 2013-12-30 2015-07-09 Corning Optical Communications LLC Binder film system
CN104181656B (zh) * 2014-08-29 2016-03-16 长飞光纤光缆股份有限公司 一种全干式全介质光纤带光缆及其制作方法
WO2018089623A1 (en) 2016-11-09 2018-05-17 Commscope, Inc. Of North Carolina Exchangeable powered infrastructure module
US11029477B2 (en) * 2017-03-21 2021-06-08 Sumitomo Electric Industries, Ltd. Optical fiber cable
US11125959B2 (en) * 2018-12-06 2021-09-21 Sterlite Technologies Limited Flat drop optical fiber cable
US20210333497A1 (en) * 2020-04-22 2021-10-28 Superior Essex International LP Optical fiber cables substantially free of colorant
US11327203B1 (en) 2020-04-22 2022-05-10 Superior Essex International LP Optical fiber cables substantially free of colorant
JP2021182040A (ja) * 2020-05-18 2021-11-25 住友電気工業株式会社 ファンインファンアウト装置の製造方法及びファンインファンアウト装置
EP4172672A4 (en) * 2020-06-30 2024-07-31 Corning Research & Development Corporation Foamed tube having free space around ribbon stacks of optical fiber cable
AU2021336246B2 (en) * 2020-09-02 2024-03-28 Fujikura Ltd. Optical cable and optical cable manufacturing method
US11846822B2 (en) * 2021-12-29 2023-12-19 Sterlite Technologies Limited Optical fiber cable with compressed core and manufacturing method thereof
EP4660679A1 (en) * 2024-06-05 2025-12-10 Prysmian S.p.A. Optical fiber drop cable

Family Cites Families (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078853A (en) * 1976-02-25 1978-03-14 Bell Telephone Laboratories, Incorporated Optical communication cable
US4226504A (en) 1976-03-15 1980-10-07 Akzona Incorporated Protection of optical fibers
DE2743260C2 (de) 1977-09-26 1990-05-31 kabelmetal electro GmbH, 3000 Hannover Nachrichtenkabel mit Lichtwellenleitern und Verfahren zu seiner Herstellung
US4420220A (en) 1979-06-25 1983-12-13 Bicc Public Limited Company Optical guides
FR2460491A1 (fr) 1979-07-02 1981-01-23 Radiall Sa Perfectionnements aux cables optiques
DE2944997C2 (de) 1979-11-08 1981-03-26 Kabel Rheydt AG, 41238 Mönchengladbach Lichtleiteranordnung
US4446686A (en) 1982-09-02 1984-05-08 At&T Technologies, Inc. Methods of and apparatus for controlling core-to-sheath length ratio in lightguide fiber cable and cable produced by the methods
JPS6087307A (ja) 1983-10-20 1985-05-17 Nippon Telegr & Teleph Corp <Ntt> フラツト光ケ−ブル
JPS60205408A (ja) 1984-03-29 1985-10-17 Sumitomo Electric Ind Ltd 防水型通信ケ−ブル及びその製造方法
GB8413205D0 (en) 1984-05-23 1984-06-27 Telephone Cables Ltd Optical fibre cables
DE3444500A1 (de) 1984-05-24 1985-11-28 kabelmetal electro GmbH, 3000 Hannover Schwer entflammbares elektrisches oder optisches kabel
JPS6123104A (ja) 1984-07-12 1986-01-31 Sumitomo Electric Ind Ltd 高密度収納型光フアイバケ−ブル
JPS61167602U (enExample) * 1985-04-09 1986-10-17
US4707569A (en) 1985-06-03 1987-11-17 Japan Styrene Paper Corporation Multi-conductor cable
EP0212169B1 (de) 1985-07-05 1990-09-19 Siemens Aktiengesellschaft Füllmasse für Lichtwellenleiteradern und/oder Lichtwellenleiterkabel
GB8608864D0 (en) 1986-04-11 1986-05-14 Ass Elect Ind Optical/electrical/composite cable
US4725628A (en) 1986-07-18 1988-02-16 Kimberly-Clark Corporation Process of making a crosslinked superabsorbent polyurethane foam
US4725629A (en) 1986-07-18 1988-02-16 Kimberly-Clark Corporation Process of making an interpenetrating superabsorbent polyurethane foam
US4818060A (en) 1987-03-31 1989-04-04 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber building cables
JP2506111B2 (ja) * 1987-05-21 1996-06-12 日本電信電話株式会社 光ファイバケ−ブルの製造方法
US4815813A (en) 1987-10-30 1989-03-28 American Telephone And Telegraph Company Water resistant communications cable
US4913517A (en) 1988-07-11 1990-04-03 American Telephone And Telegraph Company, At&T Bell Laboratories Communication cable having water blocking strength members
US4909592A (en) 1988-09-29 1990-03-20 American Telephone And Telegraph Company, At&T Bell Laboratories Communication cable having water blocking provisions in core
DE3843778A1 (de) 1988-12-24 1990-07-05 Philips Patentverwaltung Verfahren zur herstellung einer optischen leitung
US4979795A (en) * 1989-06-29 1990-12-25 At&T Bell Laboratories Coilable torque-balanced cable and method of manufacture
US5016952A (en) 1989-12-22 1991-05-21 At&T Bell Laboratories Cable closure including superabsorbent foam water blocking system and methods of using same
JP2775966B2 (ja) 1990-03-15 1998-07-16 住友電気工業株式会社 光ファイバユニット
US5125063A (en) * 1990-11-08 1992-06-23 At&T Bell Laboratories Lightweight optical fiber cable
US5133034A (en) 1991-08-20 1992-07-21 At&T Bell Laboratories Communications cable having a strength member system disposed between two layers of waterblocking material
US5224190A (en) 1992-03-31 1993-06-29 At&T Bell Laboratories Underwater optical fiber cable having optical fiber coupled to grooved metallic core member
US5243675A (en) 1992-04-16 1993-09-07 At&T Bell Laboratories Optical fiber cable which resists damage caused by a hostile environment
DE9208880U1 (de) 1992-07-01 1992-11-19 Siemens AG, 8000 München Starkstromkabel mit längswasserdichtem Schirmbereich
JPH06309951A (ja) 1993-04-23 1994-11-04 Sumitomo Electric Ind Ltd 光ファイバ複合架空地線およびその製造方法
JPH07159629A (ja) * 1993-12-03 1995-06-23 Fujikura Ltd 光ファイバテープ心線ユニットおよび光ケーブル
US5422973A (en) 1994-03-28 1995-06-06 Siecor Corporation Water blocked unfilled single tube cable
US5509097A (en) 1994-04-07 1996-04-16 Pirelli Cable Corporation Optical fiber core and cable with reinforced buffer tube loosely enclosing optical fibers
DE4418319C3 (de) 1994-05-26 2001-08-09 Stockhausen Chem Fab Gmbh Schichtförmig aufgebauter Körper zur Absorption von Flüssigkeiten sowie seine Herstellung und seine Verwendung
FR2725042B1 (fr) 1994-09-26 1996-12-27 Alcatel Cable Cable a fibres optiques et dispositif de fabrication d'un tel cable
DE19516970A1 (de) 1995-05-09 1996-11-14 Siemens Ag Kabel mit einer Füllmasse und Verfahren zu deren Herstellung
US5689601A (en) 1995-08-24 1997-11-18 Owens-Corning Fiberglas Technology Inc. Water blocking optical cable reinforcement
US5621841A (en) 1995-09-20 1997-04-15 Siecor Corporation Optical fiber cable containing ribbons in stranded tubes
JPH09152535A (ja) 1995-11-30 1997-06-10 Showa Electric Wire & Cable Co Ltd 止水テープ、およびこれを用いた光ファイバケーブル
US5630003A (en) * 1995-11-30 1997-05-13 Lucent Technologies Inc. Loose tube fiber optic cable
US5668912A (en) * 1996-02-07 1997-09-16 Alcatel Na Cable Systems, Inc. Rectangular optical fiber cable
JP3583221B2 (ja) 1996-02-15 2004-11-04 三洋化成工業株式会社 ケーブル用充填材料
US5684904A (en) 1996-06-10 1997-11-04 Siecor Corporation Optical cable incorporating loose buffer tubes coated with a moisture-absorptive material
FR2756935B1 (fr) 1996-12-09 1999-01-08 Alsthom Cge Alcatel Cable a fibres optiques renforce, de structure unitube
US6229944B1 (en) 1997-02-04 2001-05-08 Sumitomo Electric Industries, Ltd. Optical fiber cable
DE19713063A1 (de) 1997-03-27 1998-10-01 Siemens Ag Nachrichtenkabel
US6122424A (en) 1997-09-26 2000-09-19 Siecor Corporation Fiber optic cable with flame inhibiting capability
US6178278B1 (en) 1997-11-13 2001-01-23 Alcatel Indoor/outdoor dry optical fiber cable
US6087000A (en) 1997-12-18 2000-07-11 Ppg Industries Ohio, Inc. Coated fiber strands, composites and cables including the same and related methods
JPH11271581A (ja) 1998-03-25 1999-10-08 Fujikura Ltd 光ケーブルおよびその製造方法
US6574400B1 (en) 1998-03-26 2003-06-03 Corning Cable Systems Llc Fiber optic cable with water blocking features
JPH11337783A (ja) 1998-05-27 1999-12-10 Fujikura Ltd 光ケーブル
US6586094B1 (en) 1998-11-24 2003-07-01 E. I. Du Pont De Nemours And Company Fiber coated with water blocking material
US6377738B1 (en) * 1998-12-04 2002-04-23 Pirelli Cable Corporation Optical fiber cable and core with a reinforced buffer tube having visible strength members and methods of manufacture thereof
US6748146B2 (en) 1999-05-28 2004-06-08 Corning Cable Systems Llc Communication cable having a soft housing
US6463199B1 (en) 1999-05-28 2002-10-08 Corning Cable Systems Llc Fiber optic cables with at least one water blocking zone
US6314224B1 (en) * 1999-06-18 2001-11-06 Alcatel Thick-walled cable jacket with non-circular cavity cross section
US6226431B1 (en) 1999-06-29 2001-05-01 Lucent Technology Inc. Optical fiber cable
US6321012B1 (en) 1999-08-30 2001-11-20 Alcatel Optical fiber having water swellable material for identifying grouping of fiber groups
US6278826B1 (en) 1999-09-15 2001-08-21 Lucent Technologies Inc. Cables with water-blocking and flame-retarding foam
US6728451B2 (en) * 1999-09-21 2004-04-27 Tyco Telecommunications (Us) Inc. Optical fiber holding structure and method of making same
JP2001343565A (ja) 2000-05-31 2001-12-14 Fujikura Ltd 光ケーブル
JP2001343566A (ja) 2000-05-31 2001-12-14 Fujikura Ltd 光ケーブル
EP1170614A1 (en) 2000-06-07 2002-01-09 Lucent Technologies Inc. Dry-blocked armored cable having reduced water penetration
WO2002057828A2 (en) 2001-01-16 2002-07-25 Parker Hannifin Corporation Flame retardant tubing for a bundle
JP4458689B2 (ja) * 2001-02-06 2010-04-28 株式会社フジクラ 光ファイバケーブル
JP2002236241A (ja) 2001-02-08 2002-08-23 Fujikura Ltd 光ケーブル
TW531676B (en) * 2001-03-29 2003-05-11 Fujikura Ltd Optical fiber cable, apparatus and method for manufacturing the same
US6714708B2 (en) * 2001-03-30 2004-03-30 Corning Cable Systems Llc Fiber optic with high strength component
US6389204B1 (en) 2001-05-30 2002-05-14 Corning Cable Systems Llc Fiber optic cables with strength members and methods of making the same
JP2004528604A (ja) 2001-06-04 2004-09-16 ピレリ・アンド・チ・ソチエタ・ペル・アツィオーニ 機械的抵抗性のある被覆が設けられた光ケーブル
DE10129772B4 (de) 2001-06-20 2007-10-11 CCS Technology, Inc., Wilmington Optisches Übertragungselement
MXPA01009019A (es) 2001-09-06 2003-03-10 Servicios Condumex Sa Cable de fibra optica seco para telecomunicaciones.
US6504979B1 (en) 2001-09-06 2003-01-07 Fitel Usa Corp. Water blocking optical fiber cable
US6618526B2 (en) * 2001-09-27 2003-09-09 Corning Cable Systems Llc Fiber optic cables
US6749446B2 (en) 2001-10-10 2004-06-15 Alcatel Optical fiber cable with cushion members protecting optical fiber ribbon stack
JP3596511B2 (ja) 2001-10-18 2004-12-02 住友電気工業株式会社 光ファイバケーブル
US6847768B2 (en) * 2002-09-06 2005-01-25 Corning Cable Systems Llc Optical fiber tube assembly having a plug
JP2004139068A (ja) * 2002-09-26 2004-05-13 Fujikura Ltd 光ファイバケーブル及びその構造
JP2004151434A (ja) * 2002-10-31 2004-05-27 Fujikura Ltd 光ドロップケーブル
AU2003274752A1 (en) * 2002-10-25 2004-05-13 Fujikura Ltd. Optical drop cable
US7177507B2 (en) * 2002-12-19 2007-02-13 Corning Cable Systems, Llc Optical tube assembly having a dry insert and methods of making the same
US7254302B2 (en) * 2002-12-19 2007-08-07 Corning Cable Systems, Llc. Optical tube assembly having a dry insert and methods of making the same
US6934452B2 (en) * 2003-04-22 2005-08-23 Furukawa Electric North America Inc. Optical fiber cables
US6931184B2 (en) * 2003-05-30 2005-08-16 Corning Cable Systems Llc Dry tube fiber optic assemblies, cables, and manufacturing methods therefor

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