GB2134842B - Manufacturing optical cable with an optical fibre disposed loosely within a helical protective package - Google Patents

Manufacturing optical cable with an optical fibre disposed loosely within a helical protective package

Info

Publication number
GB2134842B
GB2134842B GB08331255A GB8331255A GB2134842B GB 2134842 B GB2134842 B GB 2134842B GB 08331255 A GB08331255 A GB 08331255A GB 8331255 A GB8331255 A GB 8331255A GB 2134842 B GB2134842 B GB 2134842B
Authority
GB
United Kingdom
Prior art keywords
protective package
disposed loosely
optical cable
optical fibre
fibre disposed
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
GB08331255A
Other versions
GB8331255D0 (en
GB2134842A (en
Inventor
Norman Charles Fielder
Terence Alexander Ketteringham
Raymond Sidney Ashpole
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.)
Telephone Cables Ltd
Original Assignee
Telephone Cables 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 Telephone Cables Ltd filed Critical Telephone Cables Ltd
Priority to GB08331255A priority Critical patent/GB2134842B/en
Publication of GB8331255D0 publication Critical patent/GB8331255D0/en
Publication of GB2134842A publication Critical patent/GB2134842A/en
Application granted granted Critical
Publication of GB2134842B publication Critical patent/GB2134842B/en
Expired legal-status Critical Current

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
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4486—Protective covering
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/156—Coating two or more articles simultaneously
    • 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
    • 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
    • G02B6/4484—Manufacturing methods of optical cables with desired surplus length between fibres and protection features
    • 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
    • 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
GB08331255A 1982-12-22 1983-11-23 Manufacturing optical cable with an optical fibre disposed loosely within a helical protective package Expired GB2134842B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08331255A GB2134842B (en) 1982-12-22 1983-11-23 Manufacturing optical cable with an optical fibre disposed loosely within a helical protective package

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8236506 1982-12-22
GB08331255A GB2134842B (en) 1982-12-22 1983-11-23 Manufacturing optical cable with an optical fibre disposed loosely within a helical protective package

Publications (3)

Publication Number Publication Date
GB8331255D0 GB8331255D0 (en) 1983-12-29
GB2134842A GB2134842A (en) 1984-08-22
GB2134842B true GB2134842B (en) 1986-11-19

Family

ID=26284760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08331255A Expired GB2134842B (en) 1982-12-22 1983-11-23 Manufacturing optical cable with an optical fibre disposed loosely within a helical protective package

Country Status (1)

Country Link
GB (1) GB2134842B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0169647B1 (en) * 1984-06-19 1988-08-17 Telephone Cables Limited Optical fibre cables
IT1185951B (en) * 1985-09-27 1987-11-18 Pirelli Cavi Spa PROCEDURE AND LINE FOR THE PRODUCTION OF CABLES
GB2181090B (en) * 1985-10-02 1990-04-18 Telephone Cables Ltd Optical fibre cable
GB8706942D0 (en) * 1987-03-24 1987-04-29 Telephone Cables Ltd Optical fibre cables
DE4020800C2 (en) * 1990-06-27 1999-01-07 Siemens Ag Method for producing a plastic casing containing tensile elements
US6189343B1 (en) * 1996-11-13 2001-02-20 Fibre Ottiche Sud F.O.S. S.P.A. Apparatus and method for forming an optical fiber
FR2806955A1 (en) * 2000-03-29 2001-10-05 Joseph Schillaci EXTRUSION HEAD
US8074596B2 (en) 2007-04-30 2011-12-13 Corning Cable Systems Llc Apparatus for forming a sheath over an elongate member, extruder system and method of manufacturing a fiber optic cable
NL2008847C2 (en) * 2012-05-21 2013-11-25 New Business Initiatives B V Method for producing an assembly of a protective duct and an optical fibre cable arranged therein.
US10488615B2 (en) * 2017-09-06 2019-11-26 Teldor Cables & Systems Ltd. Fiberoptic loose tube manufacture and post extrusion shrinkage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572339A (en) * 1943-10-19 1945-10-03 Hugo Sonnenfeld Improved methods and means for wiring system
GB862006A (en) * 1956-12-08 1961-03-01 Percy Howard Greer Improvements relating to insulated electric wire conductors
GB1448793A (en) * 1974-05-31 1976-09-08 Post Office Optical cables
US4153332A (en) * 1974-07-30 1979-05-08 Industrie Pirelli Societa Per Azioni Sheathed optical fiber element and cable
GB1581554A (en) * 1976-10-13 1980-12-17 Telephone Cables Ltd Manufacture of optical fibre cables
GB2110414B (en) * 1981-11-24 1985-08-21 Bicc Plc An optical cable
GB2123978B (en) * 1982-07-12 1985-09-11 Telephone Cables Ltd Optical fibre cable

Also Published As

Publication number Publication date
GB8331255D0 (en) 1983-12-29
GB2134842A (en) 1984-08-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961123