EP1577901A1 - Multifilament wire - Google Patents

Multifilament wire Download PDF

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Publication number
EP1577901A1
EP1577901A1 EP04290643A EP04290643A EP1577901A1 EP 1577901 A1 EP1577901 A1 EP 1577901A1 EP 04290643 A EP04290643 A EP 04290643A EP 04290643 A EP04290643 A EP 04290643A EP 1577901 A1 EP1577901 A1 EP 1577901A1
Authority
EP
European Patent Office
Prior art keywords
band
stranding
wires
nipple
strand
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.)
Granted
Application number
EP04290643A
Other languages
German (de)
French (fr)
Other versions
EP1577901B1 (en
Inventor
Wilfried Konieczny
Harald Heymanns
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.)
Nexans SA
Original Assignee
Nexans SA
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 Nexans SA filed Critical Nexans SA
Priority to EP04290643A priority Critical patent/EP1577901B1/en
Priority to ES04290643T priority patent/ES2346652T3/en
Priority to AT04290643T priority patent/ATE470940T1/en
Priority to DE502004011260T priority patent/DE502004011260D1/en
Publication of EP1577901A1 publication Critical patent/EP1577901A1/en
Application granted granted Critical
Publication of EP1577901B1 publication Critical patent/EP1577901B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid

Definitions

  • the invention relates to a stranding for a longitudinally watertight Message cable according to the preamble of claim 1 and a method for producing a stranding for a longitudinally watertight Communication cable according to the preamble of claim 7.
  • a star quad is known in which as the central Blind element is a cord made of paper is used.
  • the star quad against Longitudinal water is tight, the cord is one with the access of water provided swelling powder.
  • From DE-PS 33 06 077 is a multi-strand stranding for a longitudinally watertight communication cable with a braided Plastic carrier thread known as the central blind artery, on its entire Surface is flocked with short threads so that they stand upright and Thus, there is a velvet-like yarn as a dummy.
  • the tanned Plastic carrier yarn be provided with a powder which in presence of water increases its volume.
  • a communications cable made using this method Stranding units is absolutely longitudinally watertight and consists of the prescribed Tests for longitudinal water-tightness.
  • the present invention is the The object of the invention is to provide a stranding which is essential is cheaper to produce.
  • FIG. 1 shows a section through a stranding according to the teachings of the invention.
  • FIG. 2 shows a side view of a device with which the method according to FIG the teaching of the invention is feasible.
  • FIG. 1 shows a star quad constructed of four wires. Every vein has an electrical conductor 1 and a layer 2 of an insulating z. As polyethylene.
  • the four wires are stranded together to determine the transmission characteristics of the Sternvierers to improve.
  • a plurality of the star quads shown in FIG. 1 become one Telecommunications cable summarized, with the star quads to each other and bundles are stranded.
  • the four veins are sheathed by a band 3 whose one band edge area 3a in the gusset formed by the four veins in the interior of the star quad protrudes.
  • the band 3 consists of a swelling with the passage of water Material and seals in case of ingress of water in the telecommunication cable the Gusset area and the gussets located between the wires outside.
  • the material is a swellable nonwoven. However, it has proved particularly advantageous a proven in cable technology insulating paper proven.
  • the band 3 extends over the entire length of the star quad.
  • the cores 4, 5, 6 and 7 are continuous by the coils 8, 9, 10 and 11 withdrawn and fed to a nipple 12.
  • the inner diameter of the nipple 12 is dimensioned so that each of the wires 4 to 7 touched the hole. After exiting the nipple 12, the wires 4 to 7 wound on a drum 13, in the direction of the arrow 14 of a motor, not shown, is driven.
  • the drum 13 is rotated about the axis x, whereby the four wires stranded with each other (see arrow 15).
  • a shaping device 16 is arranged before the nipple 12. This Forming device 16 is supplied from a coil 17 withdrawn band 3, in which an edge region 3a of the band 3 is folded by about 90 °.
  • the wires are fed to the nipple 12 so that the edge region 3a comes to lie between two wires, as shown in the figure 1.
  • the band 3 is in front of the nipple 12 or in the nipple 12th wrapped around the wire bundle. The band 3 thus participates in the stranding.

Abstract

The assembly has four wires e.g. synthetic insulated wires, each including an electrical conductor (1) and a layer (2) of insulated material e.g. polyethylene. The wires are encased by a long shrinkable band (3) that is formed from a water permeable and expandable fleece. Long edges (3a) of the bands extend into spaces formed between the wires as water enters the assembly. An independent claim is also included for a process of manufacturing a stranded assembly for a communication cable.

Description

Die Erfindung betrifft einen Verseilverband für ein längswasserdichtes Nachrichtenkabel nach dem Oberbegriff des Anspruchs 1 sowie ein Verfahren zur Herstellung eines Verseilverbandes für ein längswasserdichtes Nachrichtenkabel nach dem Oberbegriff des Anspruchs 7.The invention relates to a stranding for a longitudinally watertight Message cable according to the preamble of claim 1 and a method for producing a stranding for a longitudinally watertight Communication cable according to the preamble of claim 7.

Aus dem GM 81 30 044 ist ein Sternvierer bekannt, bei dem als zentrales Blindelement eine Kordel aus Papier benutzt wird. Damit der Sternvierer gegen Längswasser dicht ist, ist die Kordel mit einem beim Zutritt von Wasser aufquellenden Pulver versehen.From the GM 81 30 044 a star quad is known in which as the central Blind element is a cord made of paper is used. Thus the star quad against Longitudinal water is tight, the cord is one with the access of water provided swelling powder.

Aus der DE-OS 22 21 619 ist es bekannt, insbesondere größere Zwickel durch mit Dichtmasse beschichtete und getränkte, zugfeste Fäden längswasserdicht zu machen.From DE-OS 22 21 619 it is known, in particular larger gusset by Sealant coated and impregnated, tensile threads longitudinally watertight do.

Aus der DE-PS 33 06 077 ist ein mehradriger Verseilverband für ein längswasserdichtes Nachrichtenkabel mit einem beflochtenen Kunststoffträgerfaden als zentrale Blindader bekannt, der auf seiner gesamten Oberfläche derart mit kurzen Fäden beflockt ist, daß diese aufrecht stehen und somit als Blindader ein samtartiges Garn vorliegt. Zusätzlich kann der beflochtete Kunststoffträgerfaden mit einem Pulver versehen sein, welches bei Anwesenheit von Wasser sein Volumen vergrößert. From DE-PS 33 06 077 is a multi-strand stranding for a longitudinally watertight communication cable with a braided Plastic carrier thread known as the central blind artery, on its entire Surface is flocked with short threads so that they stand upright and Thus, there is a velvet-like yarn as a dummy. In addition, the tanned Plastic carrier yarn be provided with a powder which in presence of water increases its volume.

Diese bekannten Lösungen konnten aber das Problem der Längswasserdichtigkeit nicht vollends lösen.These known solutions could but the problem of Do not completely loosen the longitudinal water-tightness.

In der Technik der Nachrichtenkabel hat sich eine Lösung durchgesetzt, bei welcher die zentrale Blindader aus einem sogenannten Quellgarn besteht. Zusätzlich ist eine Umspinnung des Verseilverbandes mit einem Quellgarn vorgesehen. Ein Nachrichtenkabel mit nach dieser Methode hergestellten Verseileinheiten ist absolut längswasserdicht und besteht die vorgeschriebenen Tests für die Längswasserdichtigkeit.In the technology of communication cables, a solution has prevailed at which consists of the central blind vein of a so-called Quellgarn. In addition, a stranding of the stranding with a source yarn intended. A communications cable made using this method Stranding units is absolutely longitudinally watertight and consists of the prescribed Tests for longitudinal water-tightness.

Ein gravierender Nachteil besteht jedoch darin, daß die verwendeten Quellgarne sehr teuer sind. Ein weiterer Nachteil besteht darin, daß durch die Umspinnung des Verseilverbandes mit dem Quellgarn die Fertigungsgeschwindigkeit drastisch verringert wird.A serious disadvantage, however, is that the used Swelling yarns are very expensive. Another disadvantage is that through the Wrapping the stranding with the source yarn Production speed is drastically reduced.

Ausgehend von dieser Problematik liegt der vorliegenden Erfindung die Aufgabe zugrunde, einen Verseilverband anzugeben, welcher wesentlich kostengünstiger herstellbar ist.Based on this problem, the present invention is the The object of the invention is to provide a stranding which is essential is cheaper to produce.

Diese Aufgabe wird durch die im Kennzeichen der Ansprüche 1 und 7 angeführten Merkmale gelöst.This object is achieved by that in the characterizing part of claims 1 and 7 solved features.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen erfaßt.Further advantageous embodiments of the invention are in the subclaims detected.

Die Erfindung ist anhand der in den Figuren 1 und 2 schematisch dargestellten Ausführungsbeispiele näher erläutert.The invention is based on the schematically shown in Figures 1 and 2 Embodiments explained in more detail.

Es zeigen:Show it:

Figur 1 einen Schnitt durch einen Verseilverband nach der Lehre der Erfindung. 1 shows a section through a stranding according to the teachings of the invention.

Figur 2 eine seitliche Ansicht einer Vorrichtung, mit welcher das Verfahren nach der Lehre der Erfindung durchführbar ist.FIG. 2 shows a side view of a device with which the method according to FIG the teaching of the invention is feasible.

Die Figur 1 zeigt einen Sternvierer, der aus vier Adern aufgebaut ist. Jede Ader weist einen elektrischen Leiter 1 sowie eine Schicht 2 aus einem Isoliermaterial z. B. Polyethylen auf.FIG. 1 shows a star quad constructed of four wires. Every vein has an electrical conductor 1 and a layer 2 of an insulating z. As polyethylene.

Die vier Adern sind miteinander verseilt, um die Übertragungseigenschaften des Sternvierers zu verbessern.The four wires are stranded together to determine the transmission characteristics of the Sternvierers to improve.

Eine Vielzahl der in Figur 1 dargestellten Sternvierer sind zu einem Fernmeldekabel zusammengefaßt, wobei die Sternvierer miteinander zu Lagen und Bündeln verseilt werden.A plurality of the star quads shown in FIG. 1 become one Telecommunications cable summarized, with the star quads to each other and bundles are stranded.

Die vier Adern sind von einem Band 3 umhüllt, dessen einer Bandkantenbereich 3a in den durch die vier Adern im Innern des Sternvierers gebildeten Zwickel hineinragt. Das Band 3 besteht aus einem bei Zustritt von Wasser quellendem Material und dichtet im Falle eines Wassereintritts in das Fernmeldekabel den Zwickelbereich und die zwischen den Adern außen gelegenen Zwickel ab.The four veins are sheathed by a band 3 whose one band edge area 3a in the gusset formed by the four veins in the interior of the star quad protrudes. The band 3 consists of a swelling with the passage of water Material and seals in case of ingress of water in the telecommunication cable the Gusset area and the gussets located between the wires outside.

Als Material eignet sich ein Quellvlies. Als besonders vorteilhaft hat sich jedoch ein in der Kabeltechnik bekanntes Isolierpapier erwiesen.The material is a swellable nonwoven. However, it has proved particularly advantageous a proven in cable technology insulating paper proven.

Das Band 3 erstreckt sich über die gesamte Länge des Sternvierers.The band 3 extends over the entire length of the star quad.

Die Herstellung des Sternvierers soll anhand der Figur 2 näher erläutert werden.The production of the star quad is to be explained in more detail with reference to FIG.

Die Adern 4, 5, 6 und 7 werden von den Spulen 8, 9, 10 und 11 kontinuierlich abgezogen und einem Nippel 12 zugeführt. The cores 4, 5, 6 and 7 are continuous by the coils 8, 9, 10 and 11 withdrawn and fed to a nipple 12.

Der Innendurchmesser des Nippels 12 ist so bemessen, daß jede der Adern 4 bis 7 die Bohrung berührt. Nach dem Austritt aus dem Nippel 12 werden die Adern 4 bis 7 auf eine Trommel 13 aufgewickelt, die in Richtung des Pfeiles 14 von einem nicht dargestellten Motor angetrieben wird.The inner diameter of the nipple 12 is dimensioned so that each of the wires 4 to 7 touched the hole. After exiting the nipple 12, the wires 4 to 7 wound on a drum 13, in the direction of the arrow 14 of a motor, not shown, is driven.

Die Trommel 13 wird um die Achse x gedreht, wodurch die vier Adern miteinander verseilt werden (s. Pfeil 15).The drum 13 is rotated about the axis x, whereby the four wires stranded with each other (see arrow 15).

Vor dem Nippel 12 ist eine Formvorrichtung 16 angeordnet. Dieser Formvorrichtung 16 wird das von einer Spule 17 abgezogene Band 3 zugeführt, in welcher ein Randbereich 3a des Bandes 3 um ca. 90° abgekantet wird.Before the nipple 12, a shaping device 16 is arranged. This Forming device 16 is supplied from a coil 17 withdrawn band 3, in which an edge region 3a of the band 3 is folded by about 90 °.

Die Adern werden dem Nippel 12 so zugeführt, daß der Randbereich 3a zwischen zwei Adern zu liegen kommt, wie es in der Figur 1 dargestellt ist. Der verbleibende Bereich des Bandes 3 wird vor dem Nippel 12 oder im Nippel 12 um das Aderbündel herumgelegt. Das Band 3 nimmt also an der Verseilung teil.The wires are fed to the nipple 12 so that the edge region 3a comes to lie between two wires, as shown in the figure 1. Of the remaining area of the band 3 is in front of the nipple 12 or in the nipple 12th wrapped around the wire bundle. The band 3 thus participates in the stranding.

Wird die Schlaglänge des Sternvierers 18 nicht zu groß gewählt, ist eine Fixierung des Bandes 3 auf der Oberfläche des Sternvierers 18 nicht erforderlich.If the stroke length of the star quad 18 is not chosen too large, is a fixation of the band 3 on the surface of the star quad 18 is not required.

Bei einer großen Schlaglänge ist es vorteilhaft bzw. könnte er erforderlich sein, den außen liegenden Bereich des Bandes 3 durch Kleben zu fixieren.With a large lay length it is advantageous or it might be necessary to fix the outer region of the band 3 by gluing.

Claims (12)

Mehradriger Verseilverband für ein längswasserdichtes Nachrichtenkabel, dadurch gekennzeichnet, daß der Verseilverband von einem längseinlaufenden Band (3) aus einem bei Wasserzutritt quellendem Material umhüllt ist und zumindest eine der Längskanten (3a) des Bandes (3) in den zwischen den Adern befindlichen Zwickel des Verseilverbandes eindringt.Multi-strand stranding for a longitudinally watertight telecommunication cable, characterized in that the stranding is enveloped by a longitudinally incoming band (3) from a material swelling when water enters and at least one of the longitudinal edges (3a) of the band (3) in the interstices of the stranding penetrates. Mehradriger Verseilverband nach Anspruch 1, dadurch gekennzeichnet, daß das Band (3) aus einem Vlies besteht.Multi-strand stranding according to claim 1, characterized in that the band (3) consists of a fleece. Mehradriger Verseilverband nach Anspruch 1, dadurch gekennzeichnet, daß das Band (3) aus Zellulose besteht.Multi-strand stranding according to claim 1, characterized in that the band (3) consists of cellulose. Mehradriger Verseilverband nach Anspruch 3, dadurch gekennzeichnet, daß das Band (3) aus Isolierpapier besteht.Multi-strand stranding according to claim 3, characterized in that the band (3) consists of insulating paper. Mehradriger Verseilverband nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß das Band (3) eine Wanddicke von 0,05 bis 0,25 mm aufweist. Multi-strand stranding according to one of claims 3 or 4, characterized in that the band (3) has a wall thickness of 0.05 to 0.25 mm. Mehradriger Verseilverband nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Verseilverband ein Sternvierer ist und die Adern kunststoffisolierte Adern sind.Multi-strand stranding according to one of claims 1 to 5, characterized in that the stranding is a star quad and the wires are plastic insulated wires. Verfahren zur Herstellung eines mehradrigen Verseilverbandes für ein längswasserdichtes Nachrichtenkabel, bei welchem mehrere isolierte Adern von Vorratsspulen abgezogen, in einen Nippel eingeführt und hinter dem Nippel auf eine Spule auflaufen, welche um eine quer zu ihrer Drehachse verlaufende Achse kontinuierlich gedreht wird und dabei eine Verseilung der Adern zwischen dem Nippel und der Spule erzeugt, dadurch gekennzeichnet, daß parallel zu den Adern ein Band aus einem bei Wasserzutritt quellenden Material in den Nippel eingeführt wird, welches so geformt wird, daß es die Adern umhüllt und zumindest eine Längskante des Bandes in den von den Adern gebildeten Zwickel eindringt.A method for producing a multi-strand stranding for a longitudinally watertight communication cable in which a plurality of insulated wires drawn from supply spools, inserted into a nipple and run behind the nipple on a spool which is continuously rotated about an axis extending transversely to its axis of rotation, thereby stranding the Cores generated between the nipple and the coil, characterized in that parallel to the wires, a tape is introduced from a material that swells when water enters the nipple, which is shaped so that it envelops the wires and at least one longitudinal edge of the tape in the the gussets formed penetrate the veins. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß das Band ein Vlies ist.A method according to claim 7, characterized in that the band is a non-woven. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß das Band aus Zellulose besteht.A method according to claim 7, characterized in that the band consists of cellulose. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Band aus Isolierpapier besteht.Method according to claim 9, characterized in that the band consists of insulating paper. Verfahren nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß das von einer Vorratsspule abgezogene Band in einer Formeinrichtung derart verformt wird, daß einer der Längskantenbereiche abgekantet wird, der abgekantete Bereich vor dem Einlauf in den Nippel zwischen zwei Adern angeordnet wird und der übrige Bereich des Bandes vor oder im Nippel um das Aderbündel herumgelegt wird. Method according to one of claims 7 to 10, characterized in that the withdrawn from a supply reel band is deformed in a molding device such that one of the longitudinal edge portions is folded, the folded portion is arranged before entering the nipple between two wires and the rest Area of the tape before or in the nipple is wrapped around the wire bundle. Verfahren nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, daß das den Verseilverband umhüllende Band durch Kleben fixiert wird.Method according to one of claims 7 to 11, characterized in that the band covering the stranding band is fixed by gluing.
EP04290643A 2004-03-10 2004-03-10 Multifilament wire Expired - Lifetime EP1577901B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP04290643A EP1577901B1 (en) 2004-03-10 2004-03-10 Multifilament wire
ES04290643T ES2346652T3 (en) 2004-03-10 2004-03-10 WIRING COVER OF MULTIPLE THREADS.
AT04290643T ATE470940T1 (en) 2004-03-10 2004-03-10 MULTI-CORE STRANDING BRACKET
DE502004011260T DE502004011260D1 (en) 2004-03-10 2004-03-10 Multi-strand stranding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04290643A EP1577901B1 (en) 2004-03-10 2004-03-10 Multifilament wire

Publications (2)

Publication Number Publication Date
EP1577901A1 true EP1577901A1 (en) 2005-09-21
EP1577901B1 EP1577901B1 (en) 2010-06-09

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Family Applications (1)

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EP04290643A Expired - Lifetime EP1577901B1 (en) 2004-03-10 2004-03-10 Multifilament wire

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EP (1) EP1577901B1 (en)
AT (1) ATE470940T1 (en)
DE (1) DE502004011260D1 (en)
ES (1) ES2346652T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7411132B1 (en) 2006-11-03 2008-08-12 General Cable Technologies Corporation Water blocking electrical cable
WO2011144740A1 (en) * 2010-05-21 2011-11-24 Garntec Gmbh Filler cord and a method for producing the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328514A (en) * 1964-11-13 1967-06-27 Bell Telephone Labor Inc Shielded jacketed-pair communications wire
GB1565385A (en) * 1975-11-26 1980-04-23 Borel & Cie Expl Cabl El Syst Telephone cable elements
GB2080998A (en) * 1980-07-21 1982-02-10 Pirelli Treficable Telecommunications Cable
DE19839900A1 (en) * 1998-09-02 2000-03-23 Kaiser Kwo Kabel Telekom Gmbh Cable for telecommunication and safety systems with special application conditions especially for systems subject to vibration, such as cables laid in vicinity of rail track region with cable cores
EP1215686A2 (en) * 2000-12-14 2002-06-19 Nexans Three-core cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328514A (en) * 1964-11-13 1967-06-27 Bell Telephone Labor Inc Shielded jacketed-pair communications wire
GB1565385A (en) * 1975-11-26 1980-04-23 Borel & Cie Expl Cabl El Syst Telephone cable elements
GB2080998A (en) * 1980-07-21 1982-02-10 Pirelli Treficable Telecommunications Cable
DE19839900A1 (en) * 1998-09-02 2000-03-23 Kaiser Kwo Kabel Telekom Gmbh Cable for telecommunication and safety systems with special application conditions especially for systems subject to vibration, such as cables laid in vicinity of rail track region with cable cores
EP1215686A2 (en) * 2000-12-14 2002-06-19 Nexans Three-core cable

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7411132B1 (en) 2006-11-03 2008-08-12 General Cable Technologies Corporation Water blocking electrical cable
US7750244B1 (en) 2006-11-03 2010-07-06 General Cable Technologies Corporation Water blocking electrical cable
WO2011144740A1 (en) * 2010-05-21 2011-11-24 Garntec Gmbh Filler cord and a method for producing the same
AU2011254548B2 (en) * 2010-05-21 2014-04-03 Garntec Gmbh Filler cord and a method for producing the same
KR101417569B1 (en) * 2010-05-21 2014-07-08 가른테크 게엠베하 Filler cord and a method for producing the same

Also Published As

Publication number Publication date
EP1577901B1 (en) 2010-06-09
ES2346652T3 (en) 2010-10-19
DE502004011260D1 (en) 2010-07-22
ATE470940T1 (en) 2010-06-15

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