ES449251A1 - Coated glass optical fibres - Google Patents

Coated glass optical fibres

Info

Publication number
ES449251A1
ES449251A1 ES449251A ES449251A ES449251A1 ES 449251 A1 ES449251 A1 ES 449251A1 ES 449251 A ES449251 A ES 449251A ES 449251 A ES449251 A ES 449251A ES 449251 A1 ES449251 A1 ES 449251A1
Authority
ES
Spain
Prior art keywords
fibre
glass
optical fibres
overcoat
coated glass
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.)
Expired
Application number
ES449251A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES449251A1 publication Critical patent/ES449251A1/en
Expired legal-status Critical Current

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The preparation of polymer-sheathed optical fibres from glass comprises the following steps: drawing down the fibre from a blank or hauling glass from the mouth of a double crucible (containing glass solutions of the future fibre core and sheath), immediately thereafter applying a first overcoat, immediately thereafter or later applying a further, extruded coat on top of the first overcoat. The fibre produced has very good long-term strength, since the coatings do a good job in protecting the glass surface of the naked fibre from atmospheric effects.
ES449251A 1975-06-26 1976-06-25 Coated glass optical fibres Expired ES449251A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27040/75A GB1498228A (en) 1975-06-26 1975-06-26 Coated glass optical fibres

Publications (1)

Publication Number Publication Date
ES449251A1 true ES449251A1 (en) 1977-07-16

Family

ID=10253198

Family Applications (1)

Application Number Title Priority Date Filing Date
ES449251A Expired ES449251A1 (en) 1975-06-26 1976-06-25 Coated glass optical fibres

Country Status (6)

Country Link
AU (1) AU498820B2 (en)
CH (1) CH621754A5 (en)
ES (1) ES449251A1 (en)
GB (1) GB1498228A (en)
IT (1) IT1063772B (en)
ZA (1) ZA763312B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133737B (en) * 1983-01-15 1986-10-15 Plessey Co Plc Improvements relating to the manufacture of magnetic sensing optical devices

Also Published As

Publication number Publication date
AU1499176A (en) 1977-12-22
GB1498228A (en) 1978-01-18
AU498820B2 (en) 1979-03-29
CH621754A5 (en) 1981-02-27
ZA763312B (en) 1977-07-27
IT1063772B (en) 1985-02-11

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612