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IT1272844B - Cavo ottico protetto contro l'umidita' - Google Patents

Cavo ottico protetto contro l'umidita'

Info

Publication number
IT1272844B
IT1272844B ITMI942380A ITMI942380A IT1272844B IT 1272844 B IT1272844 B IT 1272844B IT MI942380 A ITMI942380 A IT MI942380A IT MI942380 A ITMI942380 A IT MI942380A IT 1272844 B IT1272844 B IT 1272844B
Authority
IT
Italy
Prior art keywords
optical cable
protected against
against humidity
cable protected
water
Prior art date
Application number
ITMI942380A
Other languages
English (en)
Inventor
Pietro Anelli
Claudio Bosisio
Original Assignee
Pirelli Cavi 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 filed Critical Pirelli Cavi Spa
Publication of ITMI942380A0 publication Critical patent/ITMI942380A0/it
Priority to ITMI942380A priority Critical patent/IT1272844B/it
Priority to ES95203074T priority patent/ES2204927T3/es
Priority to EP95203074A priority patent/EP0714042B1/en
Priority to DE69531438T priority patent/DE69531438T2/de
Priority to IL11603295A priority patent/IL116032A/xx
Priority to US08/560,345 priority patent/US5715343A/en
Priority to NZ280493A priority patent/NZ280493A/en
Priority to MX9504809A priority patent/MX9504809A/es
Priority to AU37961/95A priority patent/AU706194B2/en
Priority to MYPI95003530A priority patent/MY113209A/en
Priority to AR33435695A priority patent/AR000490A1/es
Priority to CN95120581A priority patent/CN1072803C/zh
Priority to PE1995285490A priority patent/PE15997A1/es
Priority to CA002163608A priority patent/CA2163608C/en
Priority to BR9505311A priority patent/BR9505311A/pt
Priority to JP30605195A priority patent/JP3944256B2/ja
Publication of ITMI942380A1 publication Critical patent/ITMI942380A1/it
Application granted granted Critical
Publication of IT1272844B publication Critical patent/IT1272844B/it

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
    • G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
    • 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
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Insulated Conductors (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Communication Cables (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

Cavo ottico, comprendente (a) almeno un primo alloggiamento longitudinale chiuso contenente almeno una fibra ottica ed (b) un rivestimento esterno permeabile all'acqua, in cui è compreso anche un secondo alloggiamento longitudinale che comprende una composizione idroassorbente che, dopo aver assorbito più del 50% in peso di acqua, rilascia meno del 5% in peso di acqua a 60°C in due ore.(Fig. 1)
ITMI942380A 1994-11-24 1994-11-24 Cavo ottico protetto contro l'umidita' IT1272844B (it)

Priority Applications (16)

Application Number Priority Date Filing Date Title
ITMI942380A IT1272844B (it) 1994-11-24 1994-11-24 Cavo ottico protetto contro l'umidita'
ES95203074T ES2204927T3 (es) 1994-11-24 1995-11-10 Cable optico protegido contra la humedad.
EP95203074A EP0714042B1 (en) 1994-11-24 1995-11-10 Optical cable protected against humidity
DE69531438T DE69531438T2 (de) 1994-11-24 1995-11-10 Feuchtigkeitsgeschütztes Faseroptisches Kabel
IL11603295A IL116032A (en) 1994-11-24 1995-11-16 Optical cable protected against humidity
US08/560,345 US5715343A (en) 1994-11-24 1995-11-17 Optical cable protected against humidity
NZ280493A NZ280493A (en) 1994-11-24 1995-11-17 Optical fibre cable with slow water release moisture absorbing composition disposed within cable
MX9504809A MX9504809A (es) 1994-11-24 1995-11-17 Cable optico protegido en contra de la humedad.
AU37961/95A AU706194B2 (en) 1994-11-24 1995-11-20 Optical cable protected against humidity
MYPI95003530A MY113209A (en) 1994-11-24 1995-11-20 Optical cable protected againts humidity
AR33435695A AR000490A1 (es) 1994-11-24 1995-11-23 Una composición que absorbe humedad y un cable óptico que la comprende
CN95120581A CN1072803C (zh) 1994-11-24 1995-11-23 防潮光导电缆
PE1995285490A PE15997A1 (es) 1994-11-24 1995-11-23 Cable optico protegido contra la humedad
CA002163608A CA2163608C (en) 1994-11-24 1995-11-23 Optical cable protected against humidity
BR9505311A BR9505311A (pt) 1994-11-24 1995-11-24 Cabo ótico protegido contra a umidade
JP30605195A JP3944256B2 (ja) 1994-11-24 1995-11-24 光ケーブル及び湿分吸収組成物

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI942380A IT1272844B (it) 1994-11-24 1994-11-24 Cavo ottico protetto contro l'umidita'

Publications (3)

Publication Number Publication Date
ITMI942380A0 ITMI942380A0 (it) 1994-11-24
ITMI942380A1 ITMI942380A1 (it) 1996-05-24
IT1272844B true IT1272844B (it) 1997-06-30

Family

ID=11369902

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI942380A IT1272844B (it) 1994-11-24 1994-11-24 Cavo ottico protetto contro l'umidita'

Country Status (16)

Country Link
US (1) US5715343A (it)
EP (1) EP0714042B1 (it)
JP (1) JP3944256B2 (it)
CN (1) CN1072803C (it)
AR (1) AR000490A1 (it)
AU (1) AU706194B2 (it)
BR (1) BR9505311A (it)
CA (1) CA2163608C (it)
DE (1) DE69531438T2 (it)
ES (1) ES2204927T3 (it)
IL (1) IL116032A (it)
IT (1) IT1272844B (it)
MX (1) MX9504809A (it)
MY (1) MY113209A (it)
NZ (1) NZ280493A (it)
PE (1) PE15997A1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652762A1 (de) 1996-12-18 1998-08-06 Henkel Kgaa Quellbarer Schmelzklebstoff
IT1290287B1 (it) * 1997-02-10 1998-10-22 Pirelli Cavi Spa Ora Pirelli C Cavo resistente all'umidita'
US6205276B1 (en) 1997-02-10 2001-03-20 Pirelli Cavi E Sistemi S.P.A. Moisture-resistant cable including zeolite
FR2774183B1 (fr) * 1998-01-26 2002-04-26 Alsthom Cge Alkatel Cable a tube sensiblement etanche logeant au moins un conducteur optique et un produit absorbant l'hydrogene
DE19859728A1 (de) 1998-12-23 2000-06-29 Henkel Kgaa Wasserquellbarer Schmelzklebstoff
EP1208398B1 (en) 1999-07-28 2007-12-19 Prysmian Cavi e Sistemi Energia S.r.l. Submarine optical cable resistant to longitudinal water propagation
JP4694072B2 (ja) 1999-07-28 2011-06-01 プリスミアン・カビ・エ・システミ・エネルジア・ソチエタ・ア・レスポンサビリタ・リミタータ 海底光ケーブル
US6658185B2 (en) 1999-08-23 2003-12-02 Pirelli Cavi E Sistemi S.P.A. Optical fiber cable with components having improved compatibility with waterblocking filling compositions
US6466719B2 (en) * 2001-01-04 2002-10-15 The United States Of America As Represented By The Secretary Of The Navy Optical temperature sensing arrangement for towed cable
US7466887B2 (en) * 2001-05-30 2008-12-16 Prysmian Cavi E Sistemi Energia S.R.L. Optical fiber cable with dimensionally stable polymeric component
EP3584807B1 (en) * 2017-02-16 2024-11-20 LS Cable & System Ltd. Power cable
US10150868B1 (en) * 2018-03-28 2018-12-11 Dow Global Technologies Llc Flooding composition with polysiloxane
CN111443443A (zh) * 2020-03-18 2020-07-24 江苏亨通海洋光网系统有限公司 一种多维度阻水阻氢海底光缆及其成型工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8601540D0 (en) * 1986-01-22 1986-02-26 Telephone Cables Ltd Optical fibre cables
JPH07113695B2 (ja) * 1986-04-21 1995-12-06 住友電気工業株式会社 防水形光ケ−ブルおよびその製造方法
DE3818550A1 (de) * 1987-06-09 1988-12-29 Siemens Ag Fuellsubstanz zum laengsdichten elektrischer und/oder optischer kabel
IT1246760B (it) * 1990-07-02 1994-11-26 Pirelli Cavi Spa Cavi a fibre ottiche e relativi componenti contenenti una composizione barriera omogenea capace di proteggere le fibre ottiche dall'idrogeno e relativa composizione barriera omogenea.
IT1246761B (it) * 1990-07-02 1994-11-26 Pirelli Cavi Spa Cavi a fibre ottiche e relativi componenti contenenti una miscela omogenea per proteggere le fibre ottiche dall' idrogeno e relativa miscela barriera omogenea
US5179611A (en) * 1990-07-17 1993-01-12 Tokai Rubber Industries, Ltd. Optical fiber cable having a water absorptive member
IT1246985B (it) * 1990-11-13 1994-12-12 Pirelli Cavi Spa Elemento a fibre ottiche comprendente uno strato di rivestimento di poliacrilato reticolato per irraggiamento u.v. ed un tamponante h2 assorbente
US5276757A (en) * 1992-05-06 1994-01-04 Alvin C. Levy And Associates Filling compositions for optical fiber cable and cable containing the same

Also Published As

Publication number Publication date
AU3796195A (en) 1996-05-30
EP0714042B1 (en) 2003-08-06
CN1151024A (zh) 1997-06-04
JPH08234065A (ja) 1996-09-13
JP3944256B2 (ja) 2007-07-11
IL116032A0 (en) 1996-01-31
CA2163608A1 (en) 1996-05-25
CA2163608C (en) 2008-05-27
DE69531438T2 (de) 2004-07-29
AR000490A1 (es) 1997-07-10
ES2204927T3 (es) 2004-05-01
ITMI942380A1 (it) 1996-05-24
MY113209A (en) 2001-12-31
DE69531438D1 (de) 2003-09-11
AU706194B2 (en) 1999-06-10
NZ280493A (en) 1997-07-27
ITMI942380A0 (it) 1994-11-24
IL116032A (en) 1999-11-30
CN1072803C (zh) 2001-10-10
MX9504809A (es) 1997-01-31
PE15997A1 (es) 1997-05-15
BR9505311A (pt) 1997-10-21
EP0714042A1 (en) 1996-05-29
US5715343A (en) 1998-02-03

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971125