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Flexible electric wire

A wire and flexible technology, applied in the field of flexible wires, to achieve the effect of large alternating bending strength

Inactive Publication Date: 2006-12-13
NEXANS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So there is the same problem as EP1089299A2

Method used

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  • Flexible electric wire
  • Flexible electric wire
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Examples

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Embodiment Construction

[0013] figure 1 and figure 2 The cable L shown has an electrical conductor 1 consisting of a number of metal wires 2 with good electrical conductivity and a tensile element 3 . The metal wire 2 is preferably a copper wire. The tensile element 3 is a bulk combination of many very thin but tensile aramid filaments 4 . One suitable material is known under the trade name "Kevlar". This loose combination is soft and easily deformable in the radial direction, so that the tensile element 3 is soft. A layer of insulating skin 5 is wrapped around the conductor 1 . This insulating skin is made, for example, of polyurethane.

[0014] The electrical conductor 1 has a plurality of wires 2 which are bundled together with the tensile element 3 to form the complete electrical conductor 1 . The entire cross-section of the tensile element corresponds to a single wire 2 . The above-mentioned bundle combination process itself can be accomplished in any manner. Suitable methods are twisti...

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Abstract

The invention relates to a flexible electrical line (L) having at least one electrical conductor (1). The conductor is comprised of a non-metallic element, which is resistant to tensile forces, and of a multitude of metallic wires (2), which are arranged around the same and made of a material that conducts electricity well. In order to obtain the flexibility and to prevent ruptures, particularly in the event of intense vibrations, a loose combination consisting of a large number of aramide fibers (4) is used as the element (3) that is resistant to tensile forces. The cross-section of the loose combination corresponds to the cross-section of a single metallic wire (2). In addition, the conductor (1) is surrounded by an insulation (5).

Description

technical field [0001] The present invention relates to a kind of flexible electric wire, and it has at least one electric conductor, and this electric conductor is made up of a tensile non-metallic element and a lot of metal wires that are arranged around this non-metallic element and are made of material with good electrical conductivity (DE -OS 25 19 687). Background technique [0002] Such wires are used, for example, in automobiles. It must bend well and be tensile-resistant and, moreover, withstand high mechanical loads. This is especially useful during its continuous manufacture (Konfektionieren), further processing and laying. These wires are constantly exposed to vibrations and impacts from gravel in the car. [0003] European patent application EP 1089299A2 discloses a tensile wire in which a number of wires made of a material having good electrical conductivity are twisted together around a centrally located tensile wire. There is a common insulating skin on t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/00H01B7/04
CPCH01B7/0009
Inventor 托马斯·霍克莱思纳托马斯·内策尔
Owner NEXANS
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