HK1000260A1 - Optical fibre element comprising an optical fibre housing constituted by a polyolefin material and an h2-absorbing buffer - Google Patents

Optical fibre element comprising an optical fibre housing constituted by a polyolefin material and an h2-absorbing buffer

Info

Publication number
HK1000260A1
HK1000260A1 HK97101779A HK97101779A HK1000260A1 HK 1000260 A1 HK1000260 A1 HK 1000260A1 HK 97101779 A HK97101779 A HK 97101779A HK 97101779 A HK97101779 A HK 97101779A HK 1000260 A1 HK1000260 A1 HK 1000260A1
Authority
HK
Hong Kong
Prior art keywords
optical fibre
polyolefin material
absorbing buffer
housing constituted
fibre element
Prior art date
Application number
HK97101779A
Other languages
English (en)
Inventor
Bosisio Claudio
Campana Antonio
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 HK1000260A1 publication Critical patent/HK1000260A1/xx

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)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Multicomponent Fibers (AREA)
  • Optical Couplings Of Light Guides (AREA)
HK97101779A 1990-11-29 1997-09-15 Optical fibre element comprising an optical fibre housing constituted by a polyolefin material and an h2-absorbing buffer HK1000260A1 (en)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
HK1000260A1 true HK1000260A1 (en) 1998-02-13

Family

ID=11193483

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97101779A HK1000260A1 (en) 1990-11-29 1997-09-15 Optical fibre element comprising an optical fibre housing constituted by a polyolefin material and an h2-absorbing buffer

Country Status (13)

Country Link
US (1) US5185841A (xx)
EP (1) EP0488438B1 (xx)
JP (1) JP3351807B2 (xx)
AU (1) AU652589B2 (xx)
BR (1) BR9105215A (xx)
CA (1) CA2055732C (xx)
DE (1) DE69121530T2 (xx)
DK (1) DK0488438T3 (xx)
ES (1) ES2092544T3 (xx)
HK (1) HK1000260A1 (xx)
IT (1) IT1244809B (xx)
NO (1) NO301799B1 (xx)
NZ (1) NZ240661A (xx)

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 (en) 2003-11-04 2005-05-19 General Hospital Corporation Respiration motion detection and health state assessment system

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 (xx) * 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
IT9022236A0 (it) 1990-11-29
IT1244809B (it) 1994-09-05
EP0488438A2 (en) 1992-06-03
CA2055732A1 (en) 1992-05-30
DE69121530D1 (de) 1996-09-26
DK0488438T3 (da) 1996-12-09
JPH04274205A (ja) 1992-09-30
AU8787291A (en) 1992-06-04
NO914683L (no) 1992-06-01
NZ240661A (en) 1993-11-25
CA2055732C (en) 1995-10-03
AU652589B2 (en) 1994-09-01
NO301799B1 (no) 1997-12-08
BR9105215A (pt) 1992-07-21
IT9022236A1 (it) 1992-05-30
JP3351807B2 (ja) 2002-12-03
NO914683D0 (no) 1991-11-28
DE69121530T2 (de) 1997-03-06
ES2092544T3 (es) 1996-12-01
EP0488438B1 (en) 1996-08-21
US5185841A (en) 1993-02-09
EP0488438A3 (en) 1992-07-08

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20101109