EP1447820B1 - Conducteur électrique flexible - Google Patents

Conducteur électrique flexible Download PDF

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Publication number
EP1447820B1
EP1447820B1 EP03290389A EP03290389A EP1447820B1 EP 1447820 B1 EP1447820 B1 EP 1447820B1 EP 03290389 A EP03290389 A EP 03290389A EP 03290389 A EP03290389 A EP 03290389A EP 1447820 B1 EP1447820 B1 EP 1447820B1
Authority
EP
European Patent Office
Prior art keywords
layer
flexible electrical
polypropylene
line according
inner layer
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 - Lifetime
Application number
EP03290389A
Other languages
German (de)
English (en)
Other versions
EP1447820A1 (fr
Inventor
Ferdinand Grögl
Christof Dipl.-Ing. Dinkelmeyer
Thomas Mann
Andreas Dipl.-Ing. Rietz
Joachim Dipl.-Ing. Uttinger
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 DE50300441T priority Critical patent/DE50300441D1/de
Priority to AT03290389T priority patent/ATE293279T1/de
Priority to EP03290389A priority patent/EP1447820B1/fr
Publication of EP1447820A1 publication Critical patent/EP1447820A1/fr
Application granted granted Critical
Publication of EP1447820B1 publication Critical patent/EP1447820B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0233—Cables with a predominant gas dielectric

Definitions

  • the invention relates to a flexible electrical cable for drag chains after the Preamble of claim 1.
  • a flexible electric cable for drag chains in which the insulating layer of the wire or the wires is formed in two layers, wherein the inner layer facing the conductor of a soft rubber-elastic Material and the outer layer facing the jacket of a harder material consists.
  • the inner and outer layers adhere well to each other.
  • the known line is inexpensive to produce, for example in a Tandem production or by coextrusion.
  • the line has one for signal transmission advantageous low dielectric constant and high dielectric strength.
  • An electric powered by the Austrian cable company Gebauer and Griller Line has a metallic conductor, a conductor adjacent to the first insulating layer foamed polyethylene and a second layer surrounding the first layer from unfoamed polyethylene.
  • an intermediate layer of an adhesive is provided. The application of the intermediate layer, however, requires an additional step and therefore increases the cost of production.
  • the US 6,239,377 B1 describes a wire or conductor, which consists of a layer of a surrounded foamed polyolefin. This layer is constructed so that it at a radial compression load can be compressed or deformed by a maximum of 20%. Above the layer of foamed polyolefin, a second layer of one can not foamed, compared to the polyolefin of the foamed layer other polyolefin to be appropriate. The second layer is used for mechanical stabilization against abrasion.
  • the present invention is based on the object, a flexible electrical line provide for drag chains, which increased compared to the known lines Has conductor fixed seating values.
  • the electrical values as well as the Flexibility can be significantly improved.
  • the invention is based on the schematically shown in the figure Embodiments explained in more detail.
  • the line according to the invention has at least one core. It can also be two or three have more wires that are stranded together. The veins can become pairs, Be grouped into three, four or bundles. The line may also have a have electrical screen. It serves in all possible embodiments for Energy and / or signal transmission.
  • the line shown in the figure consists of a wire 1 and one of the wire. 1 surrounding plastic sheath 5.
  • the plastic sheath 5 is in preferred Embodiment of thermoplastic polyurthane, although other plastics can be used.
  • the wire 1 consists of the conductor 2, preferably a stranded conductor, as well as an insulation from the layers 3 and 4.
  • the conductor 2 facing layer 3 consists of a soft, foamed polypropylene copolymer with proportions of rubber. Such a Material is for example under the trade name "Hifax CA 43A” or Hifax CA. 10A "available.
  • Another material which can also be used with advantage is a material such as For example, under the trade name "Santoprene” is available on the market. at This material is fully crosslinked rubber particles in a continuous matrix of distributed thermoplastic material.
  • the outer layer 4 consists of polypropylene or a propylene copolymer, wherein the degree of hardness should be more than 55 Shore D.
  • the wire 1 is characterized by a firm adhesive seat of the inner layer 3 with the conductor 2 off. Moreover, the inner layer 3 and the outer layer 4 are fixed to each other connected.
  • polypropylene or polypropylene copolymer for the outer layer 4 ensures that in the case of multiple veins in the soul building this well can slide against each other and against the jacket 5.

Landscapes

  • Insulated Conductors (AREA)
  • Laminated Bodies (AREA)

Claims (7)

  1. Câble électrique flexible pour chaínes d'entraínement, composé d'au moins un conducteur isolé présentant un conducteur électrique flexible revêtu d'une couche isolante et une gaine en matière synthétique placé par-dessus la couche isolante, dans lequel la couche isolante du conducteur est composée d'une couche intérieure molle réalisée dans un polypropylène modifié en contact avec le conducteur et d'une couche externe dure en polypropylène entourant et adhérant solidement à la couche interne ou d'un matériau contenant du polypropylène caractérisé par le fait que la couche interne (3) est écumée.
  2. Câble électrique flexible selon la revendication 1, caractérisé par le fait que la couche interne (3) est écumée à l'aide d'un agent soufflant.
  3. Câble électrique flexible selon la revendication 1, caractérisé par le fait que la couche interne (3) est écumée physiquement.
  4. Câble électrique flexible selon l'une des revendications 1 à 3, caractérisé par le fait que la couche interne (3) est composée d'un copolymère de polypropylène avec une proportion de caoutchouc comprise entre 20 et 60 %.
  5. Câble électrique flexible selon l'une des revendications 1 à 3, caractérisé par le fait que la couche interne (3) est composée de particules de caoutchouc entièrement réticulées et réparties dans une matrice continue de matériau thermoplastique.
  6. Câble électrique flexible selon l'une des revendications 1 à 5, caractérisé par le fait que la couche externe (4) est composée de polypropylène ou de copolymère de polypropylène.
  7. Câble électrique flexible selon l'une des revendications 1 à 6, caractérisé par le fait que la couche externe (4) est composée de matériau thermoplastique dans lequel sont réparties des particules de caoutchouc entièrement réticulées, où la dureté du matériau thermoplastique est supérieur à 55 Shore D.
EP03290389A 2003-02-17 2003-02-17 Conducteur électrique flexible Expired - Lifetime EP1447820B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50300441T DE50300441D1 (de) 2003-02-17 2003-02-17 Flexible elektrische Leitung
AT03290389T ATE293279T1 (de) 2003-02-17 2003-02-17 Flexible elektrische leitung
EP03290389A EP1447820B1 (fr) 2003-02-17 2003-02-17 Conducteur électrique flexible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03290389A EP1447820B1 (fr) 2003-02-17 2003-02-17 Conducteur électrique flexible

Publications (2)

Publication Number Publication Date
EP1447820A1 EP1447820A1 (fr) 2004-08-18
EP1447820B1 true EP1447820B1 (fr) 2005-04-13

Family

ID=32669049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03290389A Expired - Lifetime EP1447820B1 (fr) 2003-02-17 2003-02-17 Conducteur électrique flexible

Country Status (3)

Country Link
EP (1) EP1447820B1 (fr)
AT (1) ATE293279T1 (fr)
DE (1) DE50300441D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244099A (zh) * 2015-09-29 2016-01-13 安徽蓝德集团股份有限公司 一种耐热阻燃控制电缆

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3267228B2 (ja) * 1998-01-22 2002-03-18 住友電気工業株式会社 発泡電線
DE10036610A1 (de) * 2000-07-27 2002-02-07 Alcatel Sa Flexible elektrische Leitung für Schleppketten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244099A (zh) * 2015-09-29 2016-01-13 安徽蓝德集团股份有限公司 一种耐热阻燃控制电缆
CN105244099B (zh) * 2015-09-29 2017-10-03 安徽蓝德集团股份有限公司 一种耐热阻燃控制电缆

Also Published As

Publication number Publication date
DE50300441D1 (de) 2005-05-19
ATE293279T1 (de) 2005-04-15
EP1447820A1 (fr) 2004-08-18

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