BR9105215A - Elemento de fibras opticas compreendendo um alojamento para fibras opticas,constituido de material poliolefinico,e um tamponante h2-absorvente - Google Patents

Elemento de fibras opticas compreendendo um alojamento para fibras opticas,constituido de material poliolefinico,e um tamponante h2-absorvente

Info

Publication number
BR9105215A
BR9105215A BR919105215A BR9105215A BR9105215A BR 9105215 A BR9105215 A BR 9105215A BR 919105215 A BR919105215 A BR 919105215A BR 9105215 A BR9105215 A BR 9105215A BR 9105215 A BR9105215 A BR 9105215A
Authority
BR
Brazil
Prior art keywords
optical fibers
polyolefinical
accommodation
constituted
understanding
Prior art date
Application number
BR919105215A
Other languages
English (en)
Inventor
Claudio Bosisio
Antonio Campana
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 BR9105215A publication Critical patent/BR9105215A/pt

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)
  • Optical Couplings Of Light Guides (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Multicomponent Fibers (AREA)
BR919105215A 1990-11-29 1991-11-28 Elemento de fibras opticas compreendendo um alojamento para fibras opticas,constituido de material poliolefinico,e um tamponante h2-absorvente BR9105215A (pt)

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
BR9105215A true BR9105215A (pt) 1992-07-21

Family

ID=11193483

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919105215A BR9105215A (pt) 1990-11-29 1991-11-28 Elemento de fibras opticas compreendendo um alojamento para fibras opticas,constituido de material poliolefinico,e um tamponante h2-absorvente

Country Status (13)

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

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
US20090131759A1 (en) 2003-11-04 2009-05-21 Nathaniel Sims Life sign 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 (pt) * 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
EP0488438A3 (en) 1992-07-08
NO914683L (no) 1992-06-01
IT9022236A0 (it) 1990-11-29
HK1000260A1 (en) 1998-02-13
JPH04274205A (ja) 1992-09-30
DE69121530D1 (de) 1996-09-26
EP0488438A2 (en) 1992-06-03
NO914683D0 (no) 1991-11-28
EP0488438B1 (en) 1996-08-21
CA2055732C (en) 1995-10-03
NZ240661A (en) 1993-11-25
IT9022236A1 (it) 1992-05-30
ES2092544T3 (es) 1996-12-01
IT1244809B (it) 1994-09-05
DK0488438T3 (da) 1996-12-09
JP3351807B2 (ja) 2002-12-03
CA2055732A1 (en) 1992-05-30
DE69121530T2 (de) 1997-03-06
NO301799B1 (no) 1997-12-08
AU8787291A (en) 1992-06-04
US5185841A (en) 1993-02-09
AU652589B2 (en) 1994-09-01

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25D Requested change of name of applicant approved

Owner name: PIRELLI CAVI E SISTEMI S.P.A. (IT)

Free format text: NOME ALTERADO DE: PIRELLI CAVI S.P.A.

B25A Requested transfer of rights approved

Owner name: PIRELLI S.P.A. (IT)

Free format text: TRANSFERIDO POR INCORPORACAO DE: PIRELLI CAVI E SISTEMI S.P.A.

B25A Requested transfer of rights approved

Owner name: PIRELLI AND C. S.P.A. (IT)

Free format text: TRANSFERIDO POR INCORPORACAO DE: PIRELLI S.P.A.

B25A Requested transfer of rights approved

Owner name: PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. (IT)

Free format text: TRANSFERIDO DE: PIRELLI AND C. S.P.A.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 28/11/2011