GB1538853A - Dielectric optical waveguides - Google Patents

Dielectric optical waveguides

Info

Publication number
GB1538853A
GB1538853A GB20345/76A GB2034575A GB1538853A GB 1538853 A GB1538853 A GB 1538853A GB 20345/76 A GB20345/76 A GB 20345/76A GB 2034575 A GB2034575 A GB 2034575A GB 1538853 A GB1538853 A GB 1538853A
Authority
GB
United Kingdom
Prior art keywords
optical waveguides
dielectric optical
dielectric
waveguides
optical
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
GB20345/76A
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Priority to GB20345/76A priority Critical patent/GB1538853A/en
Priority to FR7614280A priority patent/FR2311324A1/en
Priority to AU13872/76A priority patent/AU501561B2/en
Priority to NLAANVRAGE7605089,A priority patent/NL181182C/en
Priority to CA252,493A priority patent/CA1088263A/en
Priority to DE19762621508 priority patent/DE2621508A1/en
Priority to SE7605526A priority patent/SE428729B/en
Priority to JP51055205A priority patent/JPS6012292B2/en
Priority to US05/818,719 priority patent/US4154783A/en
Priority to US05/818,720 priority patent/US4127370A/en
Publication of GB1538853A publication Critical patent/GB1538853A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • B29D11/00711—Production of light guides by shrinking the sleeve or cladding onto the core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • 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
    • C03C25/12—General methods of coating; Devices therefor
    • C03C25/18—Extrusion
    • 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
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4483—Injection or filling devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
GB20345/76A 1975-05-14 1975-05-14 Dielectric optical waveguides Expired GB1538853A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB20345/76A GB1538853A (en) 1975-05-14 1975-05-14 Dielectric optical waveguides
FR7614280A FR2311324A1 (en) 1975-05-14 1976-05-12 METHOD AND APPARATUS FOR COATING A FIBER
AU13872/76A AU501561B2 (en) 1975-05-14 1976-05-12 Sheathed optical filter & apparatus
NLAANVRAGE7605089,A NL181182C (en) 1975-05-14 1976-05-13 Light-guiding member, method for loosely surrounding an optical fiber with a sleeve and device for carrying out the method
CA252,493A CA1088263A (en) 1975-05-14 1976-05-13 Dielectric optical waveguides
DE19762621508 DE2621508A1 (en) 1975-05-14 1976-05-14 FIBER AND METHOD AND DEVICE FOR THEIR COATING
SE7605526A SE428729B (en) 1975-05-14 1976-05-14 SET AND DEVICE FOR MANUFACTURING A PRODUCT FOR TRANSFER OF LIGHT
JP51055205A JPS6012292B2 (en) 1975-05-14 1976-05-14 Method and apparatus for producing optical fiber loosely enclosed in a polymeric sleeve
US05/818,719 US4154783A (en) 1975-05-14 1977-07-25 Process for producing dielectric optical waveguides
US05/818,720 US4127370A (en) 1975-05-14 1977-07-25 Apparatus for forming dielectric optical waveguides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20345/76A GB1538853A (en) 1975-05-14 1975-05-14 Dielectric optical waveguides

Publications (1)

Publication Number Publication Date
GB1538853A true GB1538853A (en) 1979-01-24

Family

ID=10144418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20345/76A Expired GB1538853A (en) 1975-05-14 1975-05-14 Dielectric optical waveguides

Country Status (8)

Country Link
JP (1) JPS6012292B2 (en)
AU (1) AU501561B2 (en)
CA (1) CA1088263A (en)
DE (1) DE2621508A1 (en)
FR (1) FR2311324A1 (en)
GB (1) GB1538853A (en)
NL (1) NL181182C (en)
SE (1) SE428729B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128358A (en) * 1982-10-15 1984-04-26 Standard Telephones Cables Ltd Telecommunications cable manufacture
DE3420294A1 (en) * 1983-05-30 1984-12-06 Osakeyhtiö Nokia AB, Helsinki METHOD AND ARRANGEMENT FOR MANUFACTURING AN ADDITIONAL FIBER LENGTH IN SECONDARY SHEATHING OF AN OPTICAL FIBER
US4767183A (en) * 1986-05-12 1988-08-30 Westinghouse Electric Corp. High strength, heavy walled cable construction
US4778244A (en) * 1983-06-20 1988-10-18 Imperial Chemical Industries Plc Optical fibre cable utilizing thermotropic liquid crystal polymer and method of making same
US4805981A (en) * 1984-11-15 1989-02-21 British Telecommunications, Plc Telecommunications cable containing optical fibers

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5395870A (en) * 1977-02-02 1978-08-22 Hitachi Shomei Kk Method of boring work for deep drawing products
GB2072870B (en) * 1980-02-21 1984-01-11 Nippon Telegraph & Telephone Method for preparing optical fibres
US4870635A (en) * 1986-09-19 1989-09-26 International Business Machines Corporation Precision measurement and positioning system for disk storage system
DE3822566A1 (en) * 1988-07-04 1990-01-11 Rheydt Kabelwerk Ag Method for producing an optical cable
DE4303116A1 (en) * 1993-02-04 1994-08-11 Oberspree Habelwerk Gmbh Process for producing buffered optical fibres
DE29718521U1 (en) * 1997-10-18 1998-01-02 Alsthom Cge Alcatel Device for applying a coating material to a fiber
DE10046587A1 (en) * 2000-09-20 2002-03-28 Scc Special Comm Cables Gmbh Optical data-carrying cable manufacturing line has cooling for plastic coated cable between two take-off units
CN115674624B (en) * 2023-01-04 2023-03-03 长沙友宝电气装备有限公司 Extrusion molding process and equipment for wire and cable insulating sheath

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275730A (en) * 1962-12-24 1966-09-27 Hercules Inc Method and apparatus for orienting an extruded polymeric wire coating
JPS4921156A (en) * 1972-06-14 1974-02-25
DE2302662C2 (en) * 1973-01-19 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Communication cable
GB1371740A (en) * 1973-03-29 1974-10-23 Standard Telephones Cables Ltd Coating optical fibres
JPS5050938A (en) * 1973-09-04 1975-05-07

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128358A (en) * 1982-10-15 1984-04-26 Standard Telephones Cables Ltd Telecommunications cable manufacture
DE3420294A1 (en) * 1983-05-30 1984-12-06 Osakeyhtiö Nokia AB, Helsinki METHOD AND ARRANGEMENT FOR MANUFACTURING AN ADDITIONAL FIBER LENGTH IN SECONDARY SHEATHING OF AN OPTICAL FIBER
US4778244A (en) * 1983-06-20 1988-10-18 Imperial Chemical Industries Plc Optical fibre cable utilizing thermotropic liquid crystal polymer and method of making same
US4906066A (en) * 1983-06-20 1990-03-06 Imperial Chemical Industries Plc Optical fibre cable utilizing thermotropic liquid crystal polymer and method of making same
US4805981A (en) * 1984-11-15 1989-02-21 British Telecommunications, Plc Telecommunications cable containing optical fibers
EP0182538B1 (en) * 1984-11-15 1990-07-11 BRITISH TELECOMMUNICATIONS public limited company Telecommunications cable containing optical fibres
US4767183A (en) * 1986-05-12 1988-08-30 Westinghouse Electric Corp. High strength, heavy walled cable construction

Also Published As

Publication number Publication date
NL181182B (en) 1987-02-02
FR2311324B1 (en) 1983-02-18
NL181182C (en) 1987-07-01
DE2621508C2 (en) 1987-02-12
JPS6012292B2 (en) 1985-04-01
NL7605089A (en) 1976-11-16
FR2311324A1 (en) 1976-12-10
AU1387276A (en) 1977-11-17
SE428729B (en) 1983-07-18
CA1088263A (en) 1980-10-28
SE7605526L (en) 1976-11-15
JPS52435A (en) 1977-01-05
DE2621508A1 (en) 1976-11-25
AU501561B2 (en) 1979-06-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19960511