EP0422626A2 - Coaxial cable - Google Patents

Coaxial cable Download PDF

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Publication number
EP0422626A2
EP0422626A2 EP90119452A EP90119452A EP0422626A2 EP 0422626 A2 EP0422626 A2 EP 0422626A2 EP 90119452 A EP90119452 A EP 90119452A EP 90119452 A EP90119452 A EP 90119452A EP 0422626 A2 EP0422626 A2 EP 0422626A2
Authority
EP
European Patent Office
Prior art keywords
coaxial cable
cable according
outer conductor
conductor
tubular body
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
EP90119452A
Other languages
German (de)
French (fr)
Other versions
EP0422626A3 (en
EP0422626B1 (en
Inventor
Paul Gregor
Peter Zamzow
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.)
Kabel Rheydt AG
Original Assignee
Kabel Rheydt AG
AEG Kabel AG
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.)
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Publication date
Application filed by Kabel Rheydt AG, AEG Kabel AG filed Critical Kabel Rheydt AG
Publication of EP0422626A2 publication Critical patent/EP0422626A2/en
Publication of EP0422626A3 publication Critical patent/EP0422626A3/en
Application granted granted Critical
Publication of EP0422626B1 publication Critical patent/EP0422626B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • H01B11/1869—Construction of the layers on the outer side of the outer conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • H01B7/188—Inter-layer adherence promoting means

Definitions

  • a coaxial cable has an inner conductor and an outer conductor. There is a dielectric between the inner conductor and the outer conductor.
  • the inner conductor is, for example, a tube or a solid wire.
  • the outer conductor is, for example, a tube which is arranged coaxially with the inner conductor.
  • the outer conductor and inner conductor can be made of copper or aluminum, for example.
  • the dielectric can, for example, fill the entire space between the inner conductor and the outer conductor. In this case the dielectric has the shape of a tubular body.
  • disk-shaped bodies as dielectric which are located on the inner conductor and are arranged at a distance from one another.
  • plastics such. B. polyethylene.
  • the outer conductor is surrounded by an outer jacket or protective jacket.
  • the invention is based on the knowledge that, in the case of known cables, when they are bent, ridges or corrugations arise which have to be smoothed out again when fittings are to be attached.
  • the invention has for its object to provide a coaxial cable which does not have this disadvantage and which avoids the formation of beads. This object is achieved by a coaxial cable with the features of claim 1.
  • the invention is preferably applied to a coaxial cable which has a grid belt to increase the tensile strength, which consists, for example, of glass or glass fiber bundles.
  • FIG. 1 shows a preliminary product of a coaxial cable, which consists of an inner conductor 1, a dielectric 2 and an outer conductor 3.
  • an adhesive layer 4 is applied to the outer conductor 3 of the arrangement of FIG. 1 and then an outer jacket 5 is extruded onto the arrangement of FIG. 2 according to FIG.
  • the adhesive layer 4 ensures that, in the finished coaxial cable of FIG. 3, the outer conductor 3 is glued to the outer jacket 5 according to the invention.
  • FIG. 4 shows a further exemplary embodiment of the invention, in which a tubular body 7 is produced from an adhesive tape 6 and is then applied to the arrangement in FIG. 1 in accordance with FIG.
  • a grid-shaped, tubular body 8 which is produced, for example, from a grid belt, is applied to the tubular body 7 in the same way as the tubular body 7.
  • FIG. 7 shows the finished coaxial cable with the outer jacket 5, which is extruded onto the arrangement of FIG. 6, for example.
  • the coaxial cable of the Fi Gur 7 With the coaxial cable of the Fi Gur 7, the essential condition is met that the outer jacket 5 passes through the grid body 8 on the adhesive layer.
  • Figures 8 and 9 show a further embodiment of the invention, in which no separate adhesive layer or adhesive body is used, but in which 8 adhesive material is applied to the inner surface of the lattice body provided, so that on a separate adhesive layer on the outer conductor or on a separate adhesive body can be dispensed with in this case.

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  • Communication Cables (AREA)

Abstract

In a coaxial cable having an inner conductor, an outer conductor, a dielectric between the inner conductor and the outer conductor, and having an outer jacket, which surrounds the outer conductor, it is provided that the outer jacket is bonded to the outer conductor. <IMAGE>

Description

In der Kabeltechnik gibt es bekanntlich Koaxialkabel, die eingesetzt werden, wenn höherfrequente Signale übertragen werden sollen. Ein Koaxialkabel weist be­kanntlich einen Innenleiter und einen Außenleiter auf. Zwischen dem Innenleiter und dem Außenleiter befindet sich ein Dielektrikum. Der Innenleiter ist beispiels­weise ein Rohr oder ein massiver Draht. Der Außenleiter ist beispielsweise ein Rohr, welches koaxial zum Innen­leiter angeordnet ist. Außenleiter und Innenleiter kön­nen beispielsweise aus Kupfer oder Aluminium bestehen. Das Dielektrikum kann beispielsweise den gesamten Raum zwischen dem Innenleiter und dem Außenleiter ausfüllen. In diesem Fall hat das Dielektrikum die Gestalt eines rohrförmigen Körpers. Es besteht auch die Möglichkeit, als Dielektrikum scheibenförmige Körper zu verwenden, die sich auf dem Innenleiter befinden und im Abstand voneinander angeordnet sind. Als Material für das Di­elektrikum eignen sich beispielsweise Kunststoffe wie z. B. Polyäthylen. Der Außenleiter ist von einem Außen­mantel bzw. Schutzmantel umgeben.As is known, there are coaxial cables in cable technology that are used when higher-frequency signals are to be transmitted. As is known, a coaxial cable has an inner conductor and an outer conductor. There is a dielectric between the inner conductor and the outer conductor. The inner conductor is, for example, a tube or a solid wire. The outer conductor is, for example, a tube which is arranged coaxially with the inner conductor. The outer conductor and inner conductor can be made of copper or aluminum, for example. The dielectric can, for example, fill the entire space between the inner conductor and the outer conductor. In this case the dielectric has the shape of a tubular body. There is also the possibility of using disk-shaped bodies as dielectric which are located on the inner conductor and are arranged at a distance from one another. As a material for the dielectric, for example, plastics such. B. polyethylene. The outer conductor is surrounded by an outer jacket or protective jacket.

Der Erfindung liegt die Erkenntnis zugrunde, daß bei bekannten Kabeln, wenn sie gebogen werden, Wülste bzw. Wellungen entstehen, die wieder geglättet werden müs­sen, wenn Garnituren angebracht werden sollen. Der Er­findung liegt die Aufgabe zugrunde, ein Koaxialkabel anzugeben, welches diesen Nachteil nicht aufweist und welches die Bildung von Wülsten vermeidet. Diese Aufga­be wird durch ein Koaxialkabel mit den Merkmalen des Anspruchs 1 gelöst.The invention is based on the knowledge that, in the case of known cables, when they are bent, ridges or corrugations arise which have to be smoothed out again when fittings are to be attached. The invention has for its object to provide a coaxial cable which does not have this disadvantage and which avoids the formation of beads. This object is achieved by a coaxial cable with the features of claim 1.

Die Erfindung findet vorzugsweise bei einem Koaxialka­bel Anwendung, welches zur Erhöhung der Zugfestigkeit ein Gitterband aufweist, welches beispielsweise aus Glas oder Glasfaserbündeln besteht.The invention is preferably applied to a coaxial cable which has a grid belt to increase the tensile strength, which consists, for example, of glass or glass fiber bundles.

Die Erfindung wird im folgenden an einem Ausführungs­beispiel erläutert.The invention is explained below using an exemplary embodiment.

Die Figur 1 zeigt ein Vorprodukt eines Koaxialkabels, welches aus einem Innenleiter 1, einem Dielektrikum 2 und aus einem Außenleiter 3 besteht. Gemäß der Figur 2 wird auf den Außenleiter 3 der Anordnung der Figur 1 eine Klebeschicht 4 aufgebracht und anschließend gemäß der Figur 3 auf die Anordnung der Figur 2 ein Außenman­tel 5 aufextrudiert. Durch die Klebeschicht 4 ist ge­währleistet, daß beim fertigen Koaxialkabel der Figur 3 der Außenleiter 3 mit dem Außenmantel 5 erfindungsgemäß verklebt ist.FIG. 1 shows a preliminary product of a coaxial cable, which consists of an inner conductor 1, a dielectric 2 and an outer conductor 3. According to FIG. 2, an adhesive layer 4 is applied to the outer conductor 3 of the arrangement of FIG. 1 and then an outer jacket 5 is extruded onto the arrangement of FIG. 2 according to FIG. The adhesive layer 4 ensures that, in the finished coaxial cable of FIG. 3, the outer conductor 3 is glued to the outer jacket 5 according to the invention.

Die Figur 4 zeigt ein weiteres Ausführungsbeispiel der Erfindung, bei dem aus einem Klebeband 6 ein rohrförmi­ger Körper 7 hergestellt wird, der dann gemäß der Figur 5 auf die Anordnung der Figur 1 aufgebracht wird. Auf den rohrförmigen Körper 7 wird gemäß der Figur 6 ein gitterförmiger, rohrförmiger Körper 8 aufgebracht, der beispielsweise aus einem Gitterband hergestellt wird, und zwar in der gleichen Weise wie der rohrförmige Kör­per 7. Der rohrförmige Körper 8, der beispielsweise aus Glasbündeln besteht, erhöht die Zugfestigkeit des Ko­axialkabels.FIG. 4 shows a further exemplary embodiment of the invention, in which a tubular body 7 is produced from an adhesive tape 6 and is then applied to the arrangement in FIG. 1 in accordance with FIG. According to FIG. 6, a grid-shaped, tubular body 8, which is produced, for example, from a grid belt, is applied to the tubular body 7 in the same way as the tubular body 7. The tubular body 8, which consists, for example, of glass bundles the tensile strength of the coaxial cable.

Die Figur 7 zeigt das fertige Koaxialkabel mit dem Au­ßenmantel 5, der beispielsweise auf die Anordnung der Figur 6 aufextrudiert wird. Beim Koaxialkabel der Fi­ gur 7 ist die wesentliche Bedingung erfüllt, daß der Außenmantel 5 durch den Gitterkörper 8 auf die Klebe­schicht durchgreift.FIG. 7 shows the finished coaxial cable with the outer jacket 5, which is extruded onto the arrangement of FIG. 6, for example. With the coaxial cable of the Fi Gur 7, the essential condition is met that the outer jacket 5 passes through the grid body 8 on the adhesive layer.

Die Figuren 8 und 9 zeigen ein weiteres Ausführungsbei­spiel der Erfindung, bei dem keine gesonderte Klebe­schicht oder Klebekörper verwendet wird, sondern bei dem auf die Innenfläche des vorgesehenen Gitterkörpers 8 Klebematerial aufgebracht wird, so daß auf eine ge­sonderte Klebeschicht auf dem Außenleiter oder auf ei­nem gesonderten Klebekörper in diesem Fall verzichtet werden kann. Das fertige Koaxialkabel, bei dessen Her­stellung gemäß der Figur 8 ein mit Klebematerial verse­hener Gitterkörper 8 verwendet wird, zeigt die Figur 9.Figures 8 and 9 show a further embodiment of the invention, in which no separate adhesive layer or adhesive body is used, but in which 8 adhesive material is applied to the inner surface of the lattice body provided, so that on a separate adhesive layer on the outer conductor or on a separate adhesive body can be dispensed with in this case. The finished coaxial cable, in the manufacture of which, according to FIG. 8, a grid body 8 provided with adhesive material is used, is shown in FIG. 9.

Claims (12)

1) Koaxialkabel mit einem Innenleiter, einem Außenlei­ter, einem Dielektrikum zwischen dem Innenleiter und dem Außenleiter und mit einem Außenmantel, der den Au­ßenleiter umgibt, dadurch gekennzeichnet, daß der Au­ßenmantel mit dem Außenleiter verklebt ist.1) Coaxial cable with an inner conductor, an outer conductor, a dielectric between the inner conductor and the outer conductor and with an outer jacket that surrounds the outer conductor, characterized in that the outer jacket is glued to the outer conductor. 2) Koaxialkabel nach Anspruch 1, dadurch gekennzeich­net, daß eine ganzflächige Verklebung vorgesehen ist.2) coaxial cable according to claim 1, characterized in that a full-surface gluing is provided. 3) Koaxialkabel nach Anspruch 1, dadurch gekennzeich­net, daß nur eine teilweise Verklebung vorgesehen ist.3) Coaxial cable according to claim 1, characterized in that only partial gluing is provided. 4) Koaxialkabel nach einem der Ansprüche 1 bis 3, da­durch gekennzeichnet, daß zwischen dem Außenleiter und dem Außenmantel ein Klebeband vorgesehen ist.4) Coaxial cable according to one of claims 1 to 3, characterized in that an adhesive tape is provided between the outer conductor and the outer jacket. 5) Koaxialkabel nach einem der Ansprüche 1 bis 4, da­durch gekennzeichnet, daß das Klebematerial aus einem Kunststoff-Copolymer besteht.5) coaxial cable according to one of claims 1 to 4, characterized in that the adhesive material consists of a plastic copolymer. 6) Koaxialkabel nach einem der Ansprüche 1 bis 5, da­durch gekennzeichnet, daß zur Erhöhung der Zugfestig­keit ein Gitterband vorgesehen ist.6) Coaxial cable according to one of claims 1 to 5, characterized in that a mesh belt is provided to increase the tensile strength. 7) Koaxialkabel nach Anspruch 6, dadurch gekennzeich­net, daß das Gitterband im Außenmantel vorgesehen ist.7) coaxial cable according to claim 6, characterized in that the mesh band is provided in the outer jacket. 8) Koaxialkabel nach Anspruch 6 oder 7, dadurch gekenn­zeichnet, daß das Gitterband mit einem Klebemittel ver­sehen ist.8) Coaxial cable according to claim 6 or 7, characterized in that the mesh belt is provided with an adhesive. 9) Verfahren zum Herstellen eines Koaxialkabels nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Klebemittel auf den Außenleiter aufgebracht wird und daß der Außenmantel aufextrudiert wird.9) Method for producing a coaxial cable according to one of claims 1 to 8, characterized in that the adhesive is applied to the outer conductor and that the outer jacket is extruded. 10) Verfahren zum Herstellen eines Koaxialkabels nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß aus einem rohrförmigen Band aus Klebematerial ein rohrförmiger Körper hergestellt und dieser rohrförmige Körper auf den Außenleiter aufgebracht wird.10) Method for producing a coaxial cable according to one of claims 1 to 8, characterized in that a tubular body is made from a tubular band of adhesive material and this tubular body is applied to the outer conductor. 11) Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß aus einem Gitterband ein rohrförmiger Körper herge­stellt und dieser rohrförmige Körper auf den rohrförmi­gen Körper aus Klebematerial aufgebracht wird.11) Method according to claim 10, characterized in that a tubular body is made from a grid tape and this tubular body is applied to the tubular body made of adhesive material. 12) Verfahren nach Anspruch 10 oder 11, dadurch gekenn­zeichnet, daß nach dem Aufbringen der rohrförmigen Kör­per aus Klebematerial und aus Gitterbandmaterial der Außenmantel aufextrudiert wird.12) Method according to claim 10 or 11, characterized in that after the application of the tubular body made of adhesive material and of mesh material, the outer jacket is extruded.
EP90119452A 1989-10-13 1990-10-11 Coaxial cable Expired - Lifetime EP0422626B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3934213A DE3934213A1 (en) 1989-10-13 1989-10-13 COAXIAL CABLE
DE3934213 1989-10-13

Publications (3)

Publication Number Publication Date
EP0422626A2 true EP0422626A2 (en) 1991-04-17
EP0422626A3 EP0422626A3 (en) 1992-07-29
EP0422626B1 EP0422626B1 (en) 1997-01-02

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ID=6391408

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EP90119452A Expired - Lifetime EP0422626B1 (en) 1989-10-13 1990-10-11 Coaxial cable

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EP (1) EP0422626B1 (en)
AT (1) ATE147189T1 (en)
DE (2) DE3934213A1 (en)
DK (1) DK0422626T3 (en)
ES (1) ES2095230T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109036667A (en) * 2018-08-03 2018-12-18 姚屠乾 A kind of energy-saving and environment-friendly resistant to environmental cracking PE cable structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310993U1 (en) * 1993-07-22 1994-11-17 W.L. Gore & Associates Gmbh, 85640 Putzbrunn Broadband radio frequency-compatible electrical coaxial cable
ES2257207B1 (en) * 2004-12-16 2008-01-01 Nordix, S.A. DOUBLE SCREEN COAXIAL CABLE.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313750A1 (en) * 1975-06-06 1976-12-31 Felten & Guilleaume Carlswerk TELECOMMUNICATION CABLE AND METHOD FOR MANUFACTURING SUCH CABLE
DE2537873A1 (en) * 1975-08-26 1977-03-03 Felten & Guilleaume Carlswerk Coaxial HF cable with longitudinal water barrier - includes adhesion promoting layer of copolymer
DE3234730A1 (en) * 1982-09-18 1984-03-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Communications cable
GB2163285A (en) * 1984-08-16 1986-02-19 Volex Group Plc Screened electric cable

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1993574U (en) * 1968-04-29 1968-09-12 Erich Spielmann Fa HIGH PERFORMANCE COAXIAL ANTENNA CABLE, IN PARTICULAR FOR TELEVISION PURPOSES.
CH573651A5 (en) * 1973-12-18 1976-03-15 Schweizerische Isolawerke
DE2529520A1 (en) * 1975-06-30 1977-01-27 Siemens Ag Coaxial electric cable with sealing compsn. - with sufficient water repellency without affecting transmission properties

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313750A1 (en) * 1975-06-06 1976-12-31 Felten & Guilleaume Carlswerk TELECOMMUNICATION CABLE AND METHOD FOR MANUFACTURING SUCH CABLE
DE2537873A1 (en) * 1975-08-26 1977-03-03 Felten & Guilleaume Carlswerk Coaxial HF cable with longitudinal water barrier - includes adhesion promoting layer of copolymer
DE3234730A1 (en) * 1982-09-18 1984-03-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Communications cable
GB2163285A (en) * 1984-08-16 1986-02-19 Volex Group Plc Screened electric cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109036667A (en) * 2018-08-03 2018-12-18 姚屠乾 A kind of energy-saving and environment-friendly resistant to environmental cracking PE cable structure

Also Published As

Publication number Publication date
DE3934213A1 (en) 1991-04-18
EP0422626A3 (en) 1992-07-29
ATE147189T1 (en) 1997-01-15
DE59010622D1 (en) 1997-02-13
DK0422626T3 (en) 1997-06-16
EP0422626B1 (en) 1997-01-02
ES2095230T3 (en) 1997-02-16

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