ES8801526A1 - Procedimiento para la produccion de un nucleo provisto de acanaladuras en helice abierta para cables elementales de fibras opticas. - Google Patents

Procedimiento para la produccion de un nucleo provisto de acanaladuras en helice abierta para cables elementales de fibras opticas.

Info

Publication number
ES8801526A1
ES8801526A1 ES551027A ES551027A ES8801526A1 ES 8801526 A1 ES8801526 A1 ES 8801526A1 ES 551027 A ES551027 A ES 551027A ES 551027 A ES551027 A ES 551027A ES 8801526 A1 ES8801526 A1 ES 8801526A1
Authority
ES
Spain
Prior art keywords
helical grooves
rotated
extruder
plastic
manufacturing
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
ES551027A
Other languages
English (en)
Other versions
ES551027A0 (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.)
Pirelli and C SpA
Original Assignee
Pirelli Cavi SpA
Cavi Pirelli 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, Cavi Pirelli SpA filed Critical Pirelli Cavi SpA
Publication of ES551027A0 publication Critical patent/ES551027A0/es
Publication of ES8801526A1 publication Critical patent/ES8801526A1/es
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
    • G02B6/4401—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)

Abstract

PRODUCCION DE UN NUCLEO PROVISTO DE ACANALADURAS EN HELICE ABIERTA PARA CABLES ELEMENTALES DE FIBRAS OPTICAS. CONSTA DE UN MATERIAL PLASTICO REFORZADO POR AL MENOS UN ELEMENTO LONGITUDINAL RESISTENTE A TRACCION Y COMPRESION, CAPAZ DE ALOJAR UNA O MAS FIBRAS OPTICAS EN LA POR LO MENOS UNA ACANALADURA EN HELICE ABIERTA SOBRE LA SUPERFICIE EXTERNA DEL NUCLEO, CARACTERIZADO POR EL HECHO DE QUE LAS CITADAS ACANALADURAS ESTAN FORMADAS POR EXTRUISON DE MATERIAL PLASTICO ALREDEDOR DEL CITADO ELEMENTO LONGITUDINAL, SON OBTENIDAS CON LA FASE DE SOMETER A TORSION ALTERNADA EL CITADO ELEMENTO RESISTENTE A TRACCION Y COMPRESION ANTES DE SU ENTRADA EN EL EXTRUSOR.
ES551027A 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. Expired ES8801526A1 (es)

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 (2)

Publication Number Publication Date
ES551027A0 ES551027A0 (es) 1988-01-16
ES8801526A1 true ES8801526A1 (es) 1988-01-16

Family

ID=11211934

Family Applications (2)

Application Number Title Priority Date Filing Date
ES551027A Expired 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 Expired 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

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES557651A Expired 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

Country Status (16)

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

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
EP0292572A4 (en) * 1986-12-11 1991-03-13 Nitto Electric Industrial Co., Ltd. Process for manufacturing fiber-reinforced resin wire
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
KR101334077B1 (ko) * 2005-10-04 2013-11-28 우베 에쿠시모 가부시키가이샤 나선 스페이서의 제조 방법 및 제조 장치
KR101199283B1 (ko) * 2006-04-04 2012-11-08 우베-니토 카세이 가부시키가이샤 나선 스페이서의 제조 방법 및 제조 장치
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
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
SE8505951D0 (sv) 1985-12-16
GR853018B (es) 1986-04-15
MX160305A (es) 1990-01-31
ES551027A0 (es) 1988-01-16
ES8800861A1 (es) 1987-12-01
AU572440B2 (en) 1988-05-05
SE8505951L (sv) 1986-06-18
GB8531060D0 (en) 1986-01-29
JPS61167522A (ja) 1986-07-29
NO169745B (no) 1992-04-21
IT1177430B (it) 1987-08-26
DK164090B (da) 1992-05-11
FR2574951A1 (fr) 1986-06-20
DE3544437A1 (de) 1986-06-19
SE465662B (sv) 1991-10-14
DK164090C (da) 1992-10-05
DK587985A (da) 1986-06-18
IT8424090A0 (it) 1984-12-17
BR8506179A (pt) 1986-05-13
ES557651A0 (es) 1987-12-01
GB2171637A (en) 1986-09-03
NO855060L (no) 1986-06-18
GB2171637B (en) 1988-11-23
US4673540A (en) 1987-06-16
CN85108647A (zh) 1986-07-09
FR2574951B1 (fr) 1990-04-06
NO169745C (no) 1992-07-29
DK587985D0 (da) 1985-12-17
AU5082885A (en) 1986-06-26
IT8424090A1 (it) 1986-06-17
CA1252991A (en) 1989-04-25
CN1004176B (zh) 1989-05-10

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