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 bufferInfo
- 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
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)
- Optical Couplings Of Light Guides (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Multicomponent Fibers (AREA)
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 (de) |
EP (1) | EP0488438B1 (de) |
JP (1) | JP3351807B2 (de) |
AU (1) | AU652589B2 (de) |
BR (1) | BR9105215A (de) |
CA (1) | CA2055732C (de) |
DE (1) | DE69121530T2 (de) |
DK (1) | DK0488438T3 (de) |
ES (1) | ES2092544T3 (de) |
HK (1) | HK1000260A1 (de) |
IT (1) | IT1244809B (de) |
NO (1) | NO301799B1 (de) |
NZ (1) | NZ240661A (de) |
Families Citing this family (3)
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)
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 |
US4703073A (en) * | 1983-10-11 | 1987-10-27 | Ciba-Geigy Corporation | Alkylated N,N-dibenzylhydroxylamines and polyolefin compositions stabilized therewith |
US4590231A (en) * | 1983-10-11 | 1986-05-20 | Ciba-Geigy Corporation | Polyolefin compositions stabilized against degradation using hydroxylamine derivatives |
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 (de) * | 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 |
-
1990
- 1990-11-29 IT IT02223690A patent/IT1244809B/it active IP Right Grant
-
1991
- 1991-11-08 US US07/789,295 patent/US5185841A/en not_active Expired - Lifetime
- 1991-11-09 DE DE69121530T patent/DE69121530T2/de not_active Expired - Lifetime
- 1991-11-09 EP EP91202913A patent/EP0488438B1/de not_active Expired - Lifetime
- 1991-11-09 DK DK91202913.9T patent/DK0488438T3/da active
- 1991-11-09 ES ES91202913T patent/ES2092544T3/es not_active Expired - Lifetime
- 1991-11-14 AU AU87872/91A patent/AU652589B2/en not_active Ceased
- 1991-11-18 CA CA002055732A patent/CA2055732C/en not_active Expired - Lifetime
- 1991-11-19 NZ NZ240661A patent/NZ240661A/en not_active IP Right Cessation
- 1991-11-28 NO NO914683A patent/NO301799B1/no not_active IP Right Cessation
- 1991-11-28 BR BR919105215A patent/BR9105215A/pt not_active IP Right Cessation
- 1991-11-29 JP JP31674391A patent/JP3351807B2/ja not_active Expired - Fee Related
-
1997
- 1997-09-15 HK HK97101779A patent/HK1000260A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5185841A (en) | 1993-02-09 |
DK0488438T3 (da) | 1996-12-09 |
CA2055732C (en) | 1995-10-03 |
AU652589B2 (en) | 1994-09-01 |
IT9022236A0 (it) | 1990-11-29 |
CA2055732A1 (en) | 1992-05-30 |
NO301799B1 (no) | 1997-12-08 |
NZ240661A (en) | 1993-11-25 |
ES2092544T3 (es) | 1996-12-01 |
AU8787291A (en) | 1992-06-04 |
IT1244809B (it) | 1994-09-05 |
DE69121530D1 (de) | 1996-09-26 |
JP3351807B2 (ja) | 2002-12-03 |
EP0488438A2 (de) | 1992-06-03 |
EP0488438B1 (de) | 1996-08-21 |
NO914683L (no) | 1992-06-01 |
BR9105215A (pt) | 1992-07-21 |
IT9022236A1 (it) | 1992-05-30 |
JPH04274205A (ja) | 1992-09-30 |
NO914683D0 (no) | 1991-11-28 |
EP0488438A3 (en) | 1992-07-08 |
DE69121530T2 (de) | 1997-03-06 |
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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 |