IT8424090A0 - Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche. - Google Patents

Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche.

Info

Publication number
IT8424090A0
IT8424090A0 IT8424090A IT2409084A IT8424090A0 IT 8424090 A0 IT8424090 A0 IT 8424090A0 IT 8424090 A IT8424090 A IT 8424090A IT 2409084 A IT2409084 A IT 2409084A IT 8424090 A0 IT8424090 A0 IT 8424090A0
Authority
IT
Italy
Prior art keywords
helized
grooves
procedure
production
equipment
Prior art date
Application number
IT8424090A
Other languages
English (en)
Other versions
IT1177430B (it
IT8424090A1 (it
Inventor
Antonio Portinari
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 IT8424090A0 publication Critical patent/IT8424090A0/it
Priority to IT24090/84A priority Critical patent/IT1177430B/it
Priority to CN85108647.0A priority patent/CN1004176B/zh
Priority to AU50828/85A priority patent/AU572440B2/en
Priority to BR8506179A priority patent/BR8506179A/pt
Priority to US06/808,442 priority patent/US4673540A/en
Priority to FR858518400A priority patent/FR2574951B1/fr
Priority to MX969A priority patent/MX160305A/es
Priority to CA000497783A priority patent/CA1252991A/en
Priority to GR853018A priority patent/GR853018B/el
Priority to NO855060A priority patent/NO169745C/no
Priority to DE19853544437 priority patent/DE3544437A1/de
Priority to SE8505951A priority patent/SE465662B/sv
Priority to JP60284197A priority patent/JPS61167522A/ja
Priority to DK587985A priority patent/DK164090C/da
Priority to GB08531060A priority patent/GB2171637B/en
Priority to ES551027A priority patent/ES8801526A1/es
Publication of IT8424090A1 publication Critical patent/IT8424090A1/it
Priority to ES557651A priority patent/ES8800861A1/es
Application granted granted Critical
Publication of IT1177430B publication Critical patent/IT1177430B/it

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
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4434—Central member to take up tensile loads
    • 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
    • B29C48/15—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
    • 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
    • G02B6/4407—Optical cables with internal fluted support member
    • 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
    • G02B6/4489—Manufacturing methods of optical cables of central supporting members of lobe structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0075—Light guides, optical cables

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
IT24090/84A 1984-12-17 1984-12-17 Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche IT1177430B (it)

Priority Applications (17)

Application Number Priority Date Filing Date Title
IT24090/84A IT1177430B (it) 1984-12-17 1984-12-17 Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche
CN85108647.0A CN1004176B (zh) 1984-12-17 1985-11-23 带有可容纳光纤用明螺纹槽的缆芯之制造方法与设备
AU50828/85A AU572440B2 (en) 1984-12-17 1985-12-04 Extruding optical fibre carrier
BR8506179A BR8506179A (pt) 1984-12-17 1985-12-10 Processo e aparelhagem para a producao de um nucleo provido de ranhuras em helice aberta para cabos elementares de fibras opticas
US06/808,442 US4673540A (en) 1984-12-17 1985-12-12 Process and apparatus for manufacturing a core provided with open helical grooves for receiving optical fibers
FR858518400A FR2574951B1 (fr) 1984-12-17 1985-12-12 Procede et installation pour la production d'un noyau muni de rainures en helice ouverte, destine a des cables elementaires a fibres optiques
GR853018A GR853018B (it) 1984-12-17 1985-12-16
CA000497783A CA1252991A (en) 1984-12-17 1985-12-16 Process and apparatus for manufacturing a core provided with open helical grooves for receiving optical fibers
MX969A MX160305A (es) 1984-12-17 1985-12-16 Mejoras a aparato para la fabricacion de un alma con ranuras de helice abierta para cables elementales de fibras opticas
NO855060A NO169745C (no) 1984-12-17 1985-12-16 Fremgangsmaate og innretning for fremstilling av en kjernefor optiske fibrer
DE19853544437 DE3544437A1 (de) 1984-12-17 1985-12-16 Verfahren und vorrichtung zum herstellen eines genuteten kunststoffkernes
SE8505951A SE465662B (sv) 1984-12-17 1985-12-16 Saett och anordning foer att framstaella en kaerna till optikfibrer
DK587985A DK164090C (da) 1984-12-17 1985-12-17 Fremgangsmaade og apparat til fremstilling af en forstaerket plastkore med aabne spiralformede riller til optiske fibre
JP60284197A JPS61167522A (ja) 1984-12-17 1985-12-17 光フアイバ・ケーブル用の螺旋状溝を有するコアの製造方法および製造装置
GB08531060A GB2171637B (en) 1984-12-17 1985-12-17 Improvements relating to the manufacture of cores with helically extending channels
ES551027A ES8801526A1 (es) 1984-12-17 1985-12-17 Procedimiento para la produccion de un nucleo provisto de acanaladuras en helice abierta para cables elementales de fibras opticas.
ES557651A ES8800861A1 (es) 1984-12-17 1987-07-15 Equipo para la produccion de un nucleo provisto de acanaladuras en helice abierta para cables elementales de fibras opticas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24090/84A IT1177430B (it) 1984-12-17 1984-12-17 Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche

Publications (3)

Publication Number Publication Date
IT8424090A0 true IT8424090A0 (it) 1984-12-17
IT8424090A1 IT8424090A1 (it) 1986-06-17
IT1177430B IT1177430B (it) 1987-08-26

Family

ID=11211934

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24090/84A IT1177430B (it) 1984-12-17 1984-12-17 Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche

Country Status (16)

Country Link
US (1) US4673540A (it)
JP (1) JPS61167522A (it)
CN (1) CN1004176B (it)
AU (1) AU572440B2 (it)
BR (1) BR8506179A (it)
CA (1) CA1252991A (it)
DE (1) DE3544437A1 (it)
DK (1) DK164090C (it)
ES (2) ES8801526A1 (it)
FR (1) FR2574951B1 (it)
GB (1) GB2171637B (it)
GR (1) GR853018B (it)
IT (1) IT1177430B (it)
MX (1) MX160305A (it)
NO (1) NO169745C (it)
SE (1) SE465662B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181090B (en) * 1985-10-02 1990-04-18 Telephone Cables Ltd Optical fibre cable
US4975232A (en) * 1986-12-11 1990-12-04 Nitto Denko Corporation Process for producing fiber reinforced plastics linear materials
US4872824A (en) * 1987-03-16 1989-10-10 Northern Telecom Limited Apparatus for producing grooved support member for optic fibers
DE4003735A1 (de) * 1990-02-08 1991-08-14 Troester Maschf Paul Verfahren und vorrichtung zur umhuellung von seilen oder eines aus einer vielzahl von leitern verdrillten kabels
DE4020800C2 (de) * 1990-06-27 1999-01-07 Siemens Ag Verfahren zur Herstellung einer zugfeste Elemente enthaltenden Kunststoffhülle
JP3314688B2 (ja) * 1997-09-22 2002-08-12 住友電気工業株式会社 光ケーブル用スペーサの製造方法及びその製造装置
US6743387B2 (en) * 1999-08-09 2004-06-01 Pirelli Cavi E Sistemi S.P.A. Process for the production of a cable and device for performing this process
FR2867561B1 (fr) * 2004-03-11 2007-02-02 Commissariat Energie Atomique Systeme de mesure distribuee des courbures d'une structure
JP4810174B2 (ja) * 2004-10-05 2011-11-09 宇部日東化成株式会社 螺旋スペーサの製造方法および製造装置
WO2007039948A1 (ja) * 2005-10-04 2007-04-12 Ube-Nitto Kasei Co., Ltd. 螺旋スペーサの製造方法および製造装置
JP4933331B2 (ja) * 2006-04-04 2012-05-16 宇部日東化成株式会社 螺旋スペーサの製造方法および製造装置
CN101416089B (zh) * 2006-04-04 2012-10-10 宇部日东化成株式会社 螺旋衬垫的制造方法及制造装置
US20090029029A1 (en) * 2007-07-13 2009-01-29 Benjamin Lin Apparatus and method for manufacturing a consumable candy drinking straw
DE102017121940A1 (de) * 2017-09-21 2019-03-21 Arno Friedrichs Verfahren und Vorrichtung zur Herstellung eines aus plastischer Masse bestehenden kreiszylindrischen Körpers
CN112537002B (zh) * 2020-10-14 2022-08-16 南通东弘电线电缆有限公司 一种加强型软电缆加强芯的挤塑装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731069A (en) * 1952-06-07 1956-01-17 Felten & Guilleaume Carlswerk Device for compounding stranded conductors
US2778059A (en) * 1954-02-03 1957-01-22 Western Electric Co Methods of and apparatus for making insulated multiconductor wire
ZA753729B (en) * 1974-07-26 1976-05-26 Philip Morris Inc Method and apparatus for twisting the strip material
FR2338128A1 (fr) * 1976-01-19 1977-08-12 Nortene Sa Procede de fabrication d'elements helicoidaux en matiere synthetique extrudes, dispositif pour sa mise en oeuvre et elements helicoidaux obtenus
FR2388930A1 (fr) * 1977-04-27 1978-11-24 Lignes Telegraph Telephon Procede de fabrication en ligne d'elements de cablage a fibres optiques
CA1093877A (en) * 1978-06-07 1981-01-20 Frederick D. King Optical waveguide cables
US4205899A (en) * 1978-06-08 1980-06-03 Northern Telecom Limited Optical cables
IT1138823B (it) * 1981-06-26 1986-09-17 Pirelli Cavi Spa Metodo ed apparecchiatura per la produzione di scanalature in un filamento allungato
CA1185468A (en) * 1981-10-06 1985-04-16 Northern Telecom Limited Optical cables
FR2515411A1 (fr) * 1981-10-28 1983-04-29 Telecommunications Sa Procede et dispositif de fabrication d'un jonc a rainures helicoidales pour cable a fibres optiques et le jonc obtenu selon le procede
JPS59192205A (ja) * 1983-04-15 1984-10-31 Furukawa Electric Co Ltd:The 光フアイバケ−ブルの製造方法
FR2544874B1 (fr) * 1983-04-22 1985-06-14 Cables De Lyon Geoffroy Delore Procede de fabrication d'un cable a fibres optiques, et dispositif de mise en oeuvre de ce procede

Also Published As

Publication number Publication date
ES8800861A1 (es) 1987-12-01
DE3544437A1 (de) 1986-06-19
SE8505951L (sv) 1986-06-18
SE465662B (sv) 1991-10-14
GB8531060D0 (en) 1986-01-29
AU572440B2 (en) 1988-05-05
IT1177430B (it) 1987-08-26
DK164090C (da) 1992-10-05
DK587985A (da) 1986-06-18
AU5082885A (en) 1986-06-26
NO855060L (no) 1986-06-18
ES8801526A1 (es) 1988-01-16
US4673540A (en) 1987-06-16
GR853018B (it) 1986-04-15
NO169745C (no) 1992-07-29
JPS61167522A (ja) 1986-07-29
GB2171637A (en) 1986-09-03
IT8424090A1 (it) 1986-06-17
MX160305A (es) 1990-01-31
CA1252991A (en) 1989-04-25
BR8506179A (pt) 1986-05-13
FR2574951A1 (fr) 1986-06-20
NO169745B (no) 1992-04-21
CN1004176B (zh) 1989-05-10
ES551027A0 (es) 1988-01-16
DK164090B (da) 1992-05-11
CN85108647A (zh) 1986-07-09
GB2171637B (en) 1988-11-23
SE8505951D0 (sv) 1985-12-16
FR2574951B1 (fr) 1990-04-06
DK587985D0 (da) 1985-12-17
ES557651A0 (es) 1987-12-01

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971223