FI78570B - Optisk fiber foer elektriska kablar. - Google Patents

Optisk fiber foer elektriska kablar. Download PDF

Info

Publication number
FI78570B
FI78570B FI820706A FI820706A FI78570B FI 78570 B FI78570 B FI 78570B FI 820706 A FI820706 A FI 820706A FI 820706 A FI820706 A FI 820706A FI 78570 B FI78570 B FI 78570B
Authority
FI
Finland
Prior art keywords
layer
optical fiber
elasticity
fiber
modulus
Prior art date
Application number
FI820706A
Other languages
English (en)
Finnish (fi)
Other versions
FI78570C (sv
FI820706L (fi
Inventor
Aurelio Lombardi
Elio Occhini
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 FI820706L publication Critical patent/FI820706L/fi
Application granted granted Critical
Publication of FI78570B publication Critical patent/FI78570B/fi
Publication of FI78570C publication Critical patent/FI78570C/sv

Links

Classifications

    • 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
    • C03C25/1065—Multiple coatings
    • 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
    • G02B6/4402—Optical cables with one single optical waveguide
    • 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
    • G02B6/443—Protective covering

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Communication Cables (AREA)

Claims (10)

1. Optisk fiber för kommunikationssignaler i en elekt- risk kabel, kännetecknad av att den omfattar omedelbart kring sin mantel ätminstone tre skikt (3, 4, 5) av plast- eller elastomermaterial, vilka har olika alastieitetsmoduler, varvid det mellersta skiktet (4) har en lägre elasticitets- modul än de intill liggande skikten <3, 5) och dess värde är 2 väsentligen mindre än 1 kg/mm .
2. Optisk fiber enligt patentkravet 1, kännetecknad av att förhällandet mellan elastieitetsmodulerna för det radiellt sätt innersta överdragsskiktet (3) och det mellersta skiktet (4> är lika stort eller större än 300.
3. Optisk fiber enligt patentkravet 1 eller 2, kännetecknad av att förhällandet mellan elasticitetsmodulerna för det radiellt sätt yttersta överdragsskiktet (5> och det mellersta skiktet (4) är lika stort eller större än 50.
4. Optisk fiber enligt patentkravet 1, 2 eller 3, kännetecknad av att det radiellt sätt innersta skiktet (3) är gjort av värmehärdbartharts.
FI820706A 1981-04-02 1982-02-26 Optisk fiber för elektriska kablar FI78570C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2089581 1981-04-02
IT20895/81A IT1137210B (it) 1981-04-02 1981-04-02 Fibra ottica per cavo elettrico

Publications (3)

Publication Number Publication Date
FI820706L FI820706L (fi) 1982-10-03
FI78570B true FI78570B (fi) 1989-04-28
FI78570C FI78570C (sv) 1989-08-10

Family

ID=11173701

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820706A FI78570C (sv) 1981-04-02 1982-02-26 Optisk fiber för elektriska kablar

Country Status (17)

Country Link
US (1) US4448484A (sv)
JP (1) JPS57177102A (sv)
AR (1) AR227233A1 (sv)
AU (1) AU548215B2 (sv)
BR (1) BR8201823A (sv)
CA (1) CA1196222A (sv)
DE (1) DE3212212A1 (sv)
DK (1) DK160110C (sv)
ES (1) ES264812U (sv)
FI (1) FI78570C (sv)
FR (1) FR2503386B1 (sv)
GB (1) GB2096353B (sv)
IT (1) IT1137210B (sv)
MX (1) MX159621A (sv)
NO (1) NO161466C (sv)
NZ (1) NZ199939A (sv)
SE (1) SE8202059L (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219455A1 (de) * 1982-05-24 1983-11-24 Siemens AG, 1000 Berlin und 8000 München Lichtwellenleiter mit einer mehrlagigen schutzschicht
JPS5979802U (ja) * 1982-11-19 1984-05-30 古河電気工業株式会社 被覆光フアイバ
GB2145841B (en) * 1983-09-01 1987-04-01 American Telephone & Telegraph Coated optical fiber
DE3337863A1 (de) * 1983-10-18 1985-04-25 Siemens AG, 1000 Berlin und 8000 München Konzentrisch aufgebautes optisches luft- oder seekabel
KR860008464A (ko) * 1985-04-17 1986-11-15 나까하라 쓰네오 광파이버 복합가공선
DE8515470U1 (de) * 1985-05-25 1985-12-19 Felten & Guilleaume Energietechnik Gmbh, 5000 Koeln Starkstromkabel, insbesondere für Spannungen von 6 bis 60 kV, mit eingelegten Lichtwellenleitern
GB8518683D0 (en) * 1985-07-24 1985-08-29 Stc Plc Packaged optical fibres
US4735856A (en) * 1986-03-31 1988-04-05 Spectran Corporation Hermetic coatings for optical fiber and product
US4874222A (en) * 1986-03-31 1989-10-17 Spectran Corporation Hermetic coatings for non-silica based optical fibers
GB2191872B (en) * 1986-06-17 1989-12-28 Stc Plc Optical fibre cables
GB8714640D0 (en) * 1987-06-23 1987-07-29 Bicc Plc Optical fibre cables
FR2628847B1 (fr) * 1988-03-18 1990-08-10 Fibres Optiques Rech Technolo Fibres optiques comportant un revetement multicouche et procede de realisation de ces fibres
JP2777374B2 (ja) * 1988-08-17 1998-07-16 株式会社フジクラ 光コード用補強チューブ
US4950049A (en) * 1989-02-28 1990-08-21 At&T Bell Laboratories Stable package of elongated optical fiber strand material
US5205890A (en) * 1989-02-28 1993-04-27 At&T Bell Laboratories Method for providing stable package of elongated optical fiber with bonded convolutions
DE3914368A1 (de) * 1989-04-29 1990-10-31 Rheydt Kabelwerk Ag Optische ader
DE4027538C2 (de) * 1990-04-02 1998-07-02 Felten & Guilleaume Energie Energiekabel mit mindestens einem integrierten Lichtwellenleiter
JPH0560953A (ja) * 1991-09-03 1993-03-12 Sumitomo Electric Ind Ltd 光伝送用ガラスフアイバ
GB2282897B (en) † 1993-10-01 1996-10-23 Pirelli General Plc Optical fibre assembly with coating having projecting particulate material for blown installation
US5381504A (en) * 1993-11-15 1995-01-10 Minnesota Mining And Manufacturing Company Optical fiber element having a permanent protective coating with a Shore D hardness value of 65 or more
DE19908110A1 (de) 1999-02-25 2000-08-31 Alcatel Sa Element mit extrudierter Umhüllung
JP3898077B2 (ja) * 2001-11-13 2007-03-28 株式会社フジクラ フレキシブルプリント配線板の製造方法
US6991679B2 (en) * 2003-02-28 2006-01-31 Fitel Usa Corporation Multiple feed applicator assembly for coating optical fibers
EP2215030A1 (en) * 2007-11-06 2010-08-11 Prysmian S.p.A. Process for manufacturing an optical fiber and an optical fiber so obtained
US8406596B2 (en) 2009-08-12 2013-03-26 Corning Incorporated Optical fiber containing multi-layered coating system
JP5531948B2 (ja) * 2010-12-27 2014-06-25 日立金属株式会社 樹脂被覆光ファイバ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT988874B (it) * 1973-06-01 1975-04-30 Pirelli Mezzo per la trasmissione di segnali nei cavi di telecomuni cazione
JPS5286343A (en) * 1976-01-13 1977-07-18 Fujikura Ltd Fiber for optical transmission
US4331378A (en) * 1976-10-22 1982-05-25 E. I. Du Pont De Nemours And Company Reinforced optical fiber cable with glass or silica core
JPS53123152A (en) * 1977-04-01 1978-10-27 Nippon Telegr & Teleph Corp <Ntt> Optical transmission glass fiber and production therfor
DE2724155A1 (de) * 1977-05-27 1978-12-07 Siemens Ag Nachrichtenkabel mit glasfaser-lichtwellenleitern
JPS5525022A (en) * 1978-08-09 1980-02-22 Nippon Telegr & Teleph Corp <Ntt> Optical fiber core
JPS5564203A (en) * 1978-11-07 1980-05-14 Nippon Telegr & Teleph Corp <Ntt> Glass fiber for optical transmission
JPS5598706A (en) * 1979-01-23 1980-07-28 Nippon Telegr & Teleph Corp <Ntt> Glass fiber for optical transmission and its production

Also Published As

Publication number Publication date
US4448484A (en) 1984-05-15
AU8111382A (en) 1982-10-07
MX159621A (es) 1989-07-10
SE8202059L (sv) 1982-10-03
NO821102L (no) 1982-10-04
AR227233A1 (es) 1982-09-30
FI78570C (sv) 1989-08-10
DE3212212A1 (de) 1982-11-18
NO161466B (no) 1989-05-08
JPS57177102A (en) 1982-10-30
NO161466C (no) 1989-08-16
DK160110B (da) 1991-01-28
GB2096353B (en) 1984-09-26
FR2503386A1 (fr) 1982-10-08
DK160110C (da) 1991-07-01
NZ199939A (en) 1985-09-13
FR2503386B1 (fr) 1986-07-11
IT1137210B (it) 1986-09-03
CA1196222A (en) 1985-11-05
FI820706L (fi) 1982-10-03
ES264812U (es) 1982-11-16
BR8201823A (pt) 1983-03-01
AU548215B2 (en) 1985-11-28
DE3212212C2 (sv) 1990-10-31
DK110482A (da) 1982-10-03
IT8120895A0 (it) 1981-04-02
GB2096353A (en) 1982-10-13

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Legal Events

Date Code Title Description
MA Patent expired

Owner name: SOCIETA CAVI PIRELLI S.P.A