GB1532423A - Method for the production of optical fibre - Google Patents

Method for the production of optical fibre

Info

Publication number
GB1532423A
GB1532423A GB37825/75A GB3782575A GB1532423A GB 1532423 A GB1532423 A GB 1532423A GB 37825/75 A GB37825/75 A GB 37825/75A GB 3782575 A GB3782575 A GB 3782575A GB 1532423 A GB1532423 A GB 1532423A
Authority
GB
United Kingdom
Prior art keywords
production
optical fibre
sept
optical fibres
heading
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
GB37825/75A
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Priority to GB37825/75A priority Critical patent/GB1532423A/en
Priority to ZA765306A priority patent/ZA765306B/en
Priority to AU17546/76A priority patent/AU1754676A/en
Priority to DE19762640548 priority patent/DE2640548A1/en
Priority to SE7610125A priority patent/SE7610125L/en
Priority to NL7610188A priority patent/NL7610188A/en
Priority to FR7627586A priority patent/FR2324015A1/en
Priority to BR7606069A priority patent/BR7606069A/en
Priority to JP51110677A priority patent/JPS5253433A/en
Publication of GB1532423A publication Critical patent/GB1532423A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
    • G01M11/334—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals with light chopping means
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1532423 Optical fibres PILKINGTON BROS Ltd 7 Sept 1976 [15 Sept 1975] 37825/75 Heading C1M Optical fibres are produced by drawing glass rods having a measured light attenuation of below 80 dB/Km.
GB37825/75A 1975-09-15 1975-09-15 Method for the production of optical fibre Expired GB1532423A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB37825/75A GB1532423A (en) 1975-09-15 1975-09-15 Method for the production of optical fibre
ZA765306A ZA765306B (en) 1975-09-15 1976-09-03 A method for the production of optical fibre
AU17546/76A AU1754676A (en) 1975-09-15 1976-09-08 Optical fibre
DE19762640548 DE2640548A1 (en) 1975-09-15 1976-09-09 METHOD OF MANUFACTURING OPTICAL FIBERS WITH MINIMAL WEAKENING
SE7610125A SE7610125L (en) 1975-09-15 1976-09-13 PROCEDURE FOR MANUFACTURE OF OPTICAL FIBERS
NL7610188A NL7610188A (en) 1975-09-15 1976-09-14 METHOD OF MANUFACTURING OPTICAL FIBERS.
FR7627586A FR2324015A1 (en) 1975-09-15 1976-09-14 PROCESS FOR THE MANUFACTURING OF OPTICAL FIBERS
BR7606069A BR7606069A (en) 1975-09-15 1976-09-14 PROCESS FOR THE PRODUCTION OF FIBER OPTICS, AND THE RELATED FIBER OPTIC COAT
JP51110677A JPS5253433A (en) 1975-09-15 1976-09-14 Optical fiber* method of manufacturing the same and optical fiber cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37825/75A GB1532423A (en) 1975-09-15 1975-09-15 Method for the production of optical fibre

Publications (1)

Publication Number Publication Date
GB1532423A true GB1532423A (en) 1978-11-15

Family

ID=10399269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37825/75A Expired GB1532423A (en) 1975-09-15 1975-09-15 Method for the production of optical fibre

Country Status (9)

Country Link
JP (1) JPS5253433A (en)
AU (1) AU1754676A (en)
BR (1) BR7606069A (en)
DE (1) DE2640548A1 (en)
FR (1) FR2324015A1 (en)
GB (1) GB1532423A (en)
NL (1) NL7610188A (en)
SE (1) SE7610125L (en)
ZA (1) ZA765306B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001051905A1 (en) * 2000-01-14 2001-07-19 Ferton Holding S.A. Device for detecting transmission losses by means of measurements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001051905A1 (en) * 2000-01-14 2001-07-19 Ferton Holding S.A. Device for detecting transmission losses by means of measurements
US6862085B2 (en) * 2000-01-14 2005-03-01 Ferton Holding S.A. Device for detecting transmission losses by means of measurements

Also Published As

Publication number Publication date
DE2640548A1 (en) 1977-03-24
SE7610125L (en) 1977-03-16
FR2324015A1 (en) 1977-04-08
BR7606069A (en) 1977-08-23
AU1754676A (en) 1978-03-16
NL7610188A (en) 1977-03-17
JPS5253433A (en) 1977-04-30
ZA765306B (en) 1977-08-31

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed