CA2055732A1 - Element de fibre optique comprenant un logement de fibre optique, constitue d'une polyolefine et d'un tampon absorbant l'hydrogene - Google Patents

Element de fibre optique comprenant un logement de fibre optique, constitue d'une polyolefine et d'un tampon absorbant l'hydrogene

Info

Publication number
CA2055732A1
CA2055732A1 CA2055732A CA2055732A CA2055732A1 CA 2055732 A1 CA2055732 A1 CA 2055732A1 CA 2055732 A CA2055732 A CA 2055732A CA 2055732 A CA2055732 A CA 2055732A CA 2055732 A1 CA2055732 A1 CA 2055732A1
Authority
CA
Canada
Prior art keywords
optical fibre
absorbing buffer
polyolefin material
additive
housing constituted
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
CA2055732A
Other languages
English (en)
Other versions
CA2055732C (fr
Inventor
Claudio Bosisio
Antonio Campana
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.)
Prysmian Cavi e Sistemi Energia SRL
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2055732A1 publication Critical patent/CA2055732A1/fr
Application granted granted Critical
Publication of CA2055732C publication Critical patent/CA2055732C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres
    • C03C25/106—Single coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/045—Light guides
    • G02B1/048—Light guides characterised by the cladding material

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Multicomponent Fibers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Optical Couplings Of Light Guides (AREA)
CA002055732A 1990-11-29 1991-11-18 Element de fibre optique comprenant un logement de fibre optique, constitue d'une polyolefine et d'un tampon absorbant l'hydrogene Expired - Lifetime CA2055732C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT02223690A IT1244809B (it) 1990-11-29 1990-11-29 Elemento a fibre ottiche comprendente un alloggiamento per fibre ottiche, costituito di materiale poliolefinico, ed un tamponante h2-assorbente.
IT22236A/90 1990-11-29

Publications (2)

Publication Number Publication Date
CA2055732A1 true CA2055732A1 (fr) 1992-05-30
CA2055732C CA2055732C (fr) 1995-10-03

Family

ID=11193483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002055732A Expired - Lifetime CA2055732C (fr) 1990-11-29 1991-11-18 Element de fibre optique comprenant un logement de fibre optique, constitue d'une polyolefine et d'un tampon absorbant l'hydrogene

Country Status (12)

Country Link
US (1) US5185841A (fr)
EP (1) EP0488438B1 (fr)
JP (1) JP3351807B2 (fr)
AU (1) AU652589B2 (fr)
BR (1) BR9105215A (fr)
CA (1) CA2055732C (fr)
DE (1) DE69121530T2 (fr)
DK (1) DK0488438T3 (fr)
ES (1) ES2092544T3 (fr)
IT (1) IT1244809B (fr)
NO (1) NO301799B1 (fr)
NZ (1) NZ240661A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274734A (en) * 1992-08-28 1993-12-28 At&T Bell Laboratories Article comprising a rare earth or transition metal doped optical fiber
US6085009A (en) * 1998-05-12 2000-07-04 Alcatel Water blocking gels compatible with polyolefin optical fiber cable buffer tubes and cables made therewith
WO2005044090A2 (fr) 2003-11-04 2005-05-19 General Hospital Corporation Detection d'un mouvement respiratoire et systeme d'evaluation de l'etat de sante

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409303A (en) * 1972-09-20 1975-10-08 Post Office Optical strands
GB1448793A (en) * 1974-05-31 1976-09-08 Post Office Optical cables
GB2021282B (en) * 1978-05-22 1982-06-03 Post Office Submarine optical fibre cable
GB1598540A (en) * 1978-05-31 1981-09-23 Ass Elect Ind Electro-optical cables
US4824883A (en) * 1978-12-01 1989-04-25 Vulkor, Incorporated Polyolefin compounds having improved heat curing stability, method of improving heat aging stability therein, an electrical conductor insulated therewith and method of forming
US4238575A (en) * 1979-02-12 1980-12-09 Ciba-Geigy Corporation Stabilized compositions containing polymeric thiosynergists
FR2500638A1 (fr) * 1981-02-20 1982-08-27 Laurette Michel Cable a fibres optiques
DE3210859A1 (de) * 1982-03-24 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur herstellung von n.n'-bis-aroyl-hydrazinen
US4590231A (en) * 1983-10-11 1986-05-20 Ciba-Geigy Corporation Polyolefin compositions stabilized against degradation using hydroxylamine derivatives
US4703073A (en) * 1983-10-11 1987-10-27 Ciba-Geigy Corporation Alkylated N,N-dibenzylhydroxylamines and polyolefin compositions stabilized therewith
GB8423311D0 (en) * 1984-09-14 1984-10-17 Telephone Cables Ltd Optical fibre cables
GB8503244D0 (en) * 1985-02-08 1985-03-13 Telephone Cables Ltd Optical cables
JPS61148012U (fr) * 1985-03-04 1986-09-12
GB8506497D0 (en) * 1985-03-13 1985-04-17 Telephone Cables Ltd Cables
IT1184428B (it) * 1985-04-12 1987-10-28 Pirelli Cavi Spa Composizione idrogeno assorbente per cavi e elettrici,cavi a fibre ottiche e loro componenti incorporanti detta composizione
US4746692A (en) * 1986-05-05 1988-05-24 Shell Oil Company Polyolefin compositions for use with water systems
JPH01163710A (ja) * 1987-02-25 1989-06-28 Sumitomo Electric Ind Ltd 光ケ−ブル
GB8709071D0 (en) * 1987-04-15 1987-05-20 Bp Chem Int Ltd Insulation for fibre optic cable
US4876300A (en) * 1987-12-30 1989-10-24 Ciba-Geigy Corporation Polyolefin compositions stabilized with long chain N,N-dialkylhydroxylamines

Also Published As

Publication number Publication date
US5185841A (en) 1993-02-09
NZ240661A (en) 1993-11-25
IT1244809B (it) 1994-09-05
IT9022236A0 (it) 1990-11-29
JPH04274205A (ja) 1992-09-30
EP0488438B1 (fr) 1996-08-21
DE69121530D1 (de) 1996-09-26
EP0488438A3 (en) 1992-07-08
EP0488438A2 (fr) 1992-06-03
DE69121530T2 (de) 1997-03-06
AU8787291A (en) 1992-06-04
ES2092544T3 (es) 1996-12-01
IT9022236A1 (it) 1992-05-30
HK1000260A1 (en) 1998-02-13
NO914683L (no) 1992-06-01
JP3351807B2 (ja) 2002-12-03
AU652589B2 (en) 1994-09-01
NO914683D0 (no) 1991-11-28
NO301799B1 (no) 1997-12-08
BR9105215A (pt) 1992-07-21
CA2055732C (fr) 1995-10-03
DK0488438T3 (da) 1996-12-09

Similar Documents

Publication Publication Date Title
KR960016028A (ko) 패키지된 고출력 반도체 레이저 및 이의 제조방법
IT8125835A0 (it) Confezione di caffe' in atmosfera evacuata o di gas inerte.
HUT38030A (en) Device for dissipating gas or vapour
DK0613990T3 (fr)
GB2335043B (en) Gas sensors
CA2167162A1 (fr) Ensemble detergent et emballage correspondant
ES8301638A1 (es) Metodo de desinfectar y-o inhibir el crecimiento de microor-ganismos en lentes de contacto.
CA2346851A1 (fr) Fibre optique pour amplificateur de lumiere
AU512163B2 (en) Removing contaminants from atmosphere
CA2026941A1 (fr) (phenoxy fluore)(3-perfluoroalkylphenoxy)phosphazenes
CA2055732A1 (fr) Element de fibre optique comprenant un logement de fibre optique, constitue d'une polyolefine et d'un tampon absorbant l'hydrogene
ES8102394A1 (es) Un dispositivo de enfoque optico
DE3479478D1 (en) Depot antiphlogistics
JPS57195463A (en) Dialdehyde containing composition
MX9504809A (es) Cable optico protegido en contra de la humedad.
ES8406741A1 (es) Procedimiento de fabricacion de tubos sellados hermeticamente para encerrar fibras opticas.
AU7216291A (en) Nitric acid esters of cyclohexanol derivatives
JPS51127725A (en) Lens mounting housing
CA2054808A1 (fr) Element de fibres optiques comprenant une couche de revetement a base de polyacrylate reticulee par rayonnement uv, et une gaine souple qui absorbe le h
GR3023473T3 (en) Process for preparing organic carbonates.
CA2091441A1 (fr) Stabilisation de polyols au moyen d'une composition liquide retardatrice du grillage
JPS5249021A (en) Antistaticity emproved photographic light sensitive material
AU546274B2 (en) Stabilization of hydrogen peroxide solutions
JPS5567720A (en) Storage method of lens and device thereof
NL7509224A (nl) Optisch filter voor laserlicht.

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121211