EP1447820A1 - Flexible elektrische Leitung - Google Patents
Flexible elektrische Leitung Download PDFInfo
- Publication number
- EP1447820A1 EP1447820A1 EP03290389A EP03290389A EP1447820A1 EP 1447820 A1 EP1447820 A1 EP 1447820A1 EP 03290389 A EP03290389 A EP 03290389A EP 03290389 A EP03290389 A EP 03290389A EP 1447820 A1 EP1447820 A1 EP 1447820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- flexible electrical
- inner layer
- flexible
- polypropylene
- 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
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 14
- 239000004743 Polypropylene Substances 0.000 claims abstract description 10
- 229920001155 polypropylene Polymers 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- -1 polypropylene Polymers 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004604 Blowing Agent Substances 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 230000001464 adherent effect Effects 0.000 abstract 1
- 239000006223 plastic coating Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920003031 santoprene Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Images
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 according to the Preamble of claim 1.
- a flexible electrical cable for drag chains is known from DE-A-100 36 610, in which the insulating layer of the wire or the wires is formed in two layers, the inner layer facing the conductor made of a soft rubber-elastic Material and the outer layer facing the jacket made of a harder material consists.
- the inner and outer layers adhere well to each other.
- the known line is inexpensive to manufacture, for example in one Tandem production or by coextrusion.
- the line has one for signal transmission advantageous low dielectric constant and high dielectric strength.
- Material for the outer layer becomes a material based on polypropylene preferred, so that a good lubricity of the wire both against the jacket as is also achieved opposite neighboring veins. Due to the two-layer structure with an inner "soft” layer and an outer “hard” layer becomes a high one Flexural fatigue strength achieved.
- An electrical device distributed by the Austrian cable company Gebauer und Griller Line has a metallic conductor, a first insulating layer adjacent to the conductor made of foamed polyethylene and a second layer surrounding the first layer made of non-foamed polyethylene.
- an intermediate layer made of an adhesive is provided to a tight fit between the leader and the To achieve the first insulating layer.
- the application of the intermediate layer requires an additional step and therefore increases the cost of production.
- the present invention has for its object a flexible electrical line to provide for drag chains, which increased compared to the known lines Has fixed conductor values.
- the electrical values as well as the Flexibility can be significantly improved.
- the line according to the invention has at least one wire. But it can also be two or have more wires that are stranded together.
- the veins can mate, Threes, fours or bundles.
- the line can also one have an electric screen. It is used in all possible embodiments Energy and / or for signal transmission.
- the line shown in the figure consists of a core 1 and one of the core 1 surrounding plastic jacket 5.
- the plastic jacket 5 is more preferred Embodiment made of thermoplastic polyurethane, although other plastics can be used.
- the core 1 consists of the conductor 2, preferably a stranded conductor, and an insulation from layers 3 and 4.
- Layer 3 facing conductor 2 consists of a soft, foamed polypropylene copolymer with parts of rubber. Such a Material is for example under the trade name "Hifax CA 43A” or Hifax CA. 10A "available.
- Another material that can also be used advantageously is a material such as this for example, is available on the market under the trade name "Santoprene”. at this material are 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 core 1 is characterized by a firm adherence of the inner layer 3 with the conductor 2 out.
- the inner layer 3 and the outer layer 4 are fixed to one another connected.
- polypropylene or polypropylene copolymer for the outer layer 4 ensures that in the case of multiple veins in the soul structure, these are good can slide against each other and against the jacket 5.
Landscapes
- Insulated Conductors (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (7)
- Flexible elektrische Leitung für Schleppketten, bestehend aus mindestens einer Ader, die einen von einer Isolierschicht umgebenen, flexiblen elektrischen Leiter und einen über der Isolierschicht angebrachten Mantel aus Kunststoff ausweist, wobei die Isolierschicht des Leiters aus einer an dem Leiter anliegenden inneren weichen Schicht aus einem modifizierten Polypropylen sowie einer die innere Schicht umgebenden und fest an derselben haftenden härteren äußeren Schicht aus Propylen oder einem Polypropylen enthaltenden Material besteht, dadurch gekennzeichnet, daß die innere Schicht (3) aufgeschäumt ist.
- Flexible elektrische Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die innere Schicht (3) mittels eines Treibmittels aufgeschäumt ist.
- Flexible elektrische Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die innere Schicht (3) physikalisch aufgeschäumt ist.
- Flexible Leitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die innere Schicht (3) aus einem Polypropylen Copolymer mit einem Anteil von Gummi zwischen 20 und 60 % besteht.
- Flexible Leitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die innere Schicht (3) aus vollvernetzten Kautschukteilchen besteht, die in einer kontinuierlichen Matrix von thermoplastischen Material verteilt sind.
- Flexible Leitung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die äußere Schicht (4) aus Polypropylen oder Polypropylen Copolymer besteht.
- Flexible Leitung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die äußere Schicht (4) aus einem thermoplastischen Material in welchem vollvernetzte Kautschukteilchen verteilt sind besteht, wobei der Härtegrad des thermoplastischen Materials über 55 Shore D beträgt.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT03290389T ATE293279T1 (de) | 2003-02-17 | 2003-02-17 | Flexible elektrische leitung |
| DE50300441T DE50300441D1 (de) | 2003-02-17 | 2003-02-17 | Flexible elektrische Leitung |
| EP03290389A EP1447820B1 (de) | 2003-02-17 | 2003-02-17 | Flexible elektrische Leitung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03290389A EP1447820B1 (de) | 2003-02-17 | 2003-02-17 | Flexible elektrische Leitung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1447820A1 true EP1447820A1 (de) | 2004-08-18 |
| EP1447820B1 EP1447820B1 (de) | 2005-04-13 |
Family
ID=32669049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03290389A Expired - Lifetime EP1447820B1 (de) | 2003-02-17 | 2003-02-17 | Flexible elektrische Leitung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1447820B1 (de) |
| AT (1) | ATE293279T1 (de) |
| DE (1) | DE50300441D1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6239377B1 (en) * | 1998-01-22 | 2001-05-29 | Sumitomo Electric Industries, Ltd. | Foamed-polyolefin-insulated wire |
| DE10036610A1 (de) * | 2000-07-27 | 2002-02-07 | Alcatel Sa | Flexible elektrische Leitung für Schleppketten |
-
2003
- 2003-02-17 EP EP03290389A patent/EP1447820B1/de not_active Expired - Lifetime
- 2003-02-17 DE DE50300441T patent/DE50300441D1/de not_active Expired - Lifetime
- 2003-02-17 AT AT03290389T patent/ATE293279T1/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6239377B1 (en) * | 1998-01-22 | 2001-05-29 | Sumitomo Electric Industries, Ltd. | Foamed-polyolefin-insulated wire |
| DE10036610A1 (de) * | 2000-07-27 | 2002-02-07 | Alcatel Sa | Flexible elektrische Leitung für Schleppketten |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE293279T1 (de) | 2005-04-15 |
| DE50300441D1 (de) | 2005-05-19 |
| EP1447820B1 (de) | 2005-04-13 |
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