EP1176612A2 - Flexible elektrische Leitung für Schleppketten - Google Patents
Flexible elektrische Leitung für Schleppketten Download PDFInfo
- Publication number
- EP1176612A2 EP1176612A2 EP01401876A EP01401876A EP1176612A2 EP 1176612 A2 EP1176612 A2 EP 1176612A2 EP 01401876 A EP01401876 A EP 01401876A EP 01401876 A EP01401876 A EP 01401876A EP 1176612 A2 EP1176612 A2 EP 1176612A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulation
- polypropylene
- flexible electrical
- inner layer
- 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.)
- Granted
Links
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
Definitions
- the invention relates to a flexible electrical cable for drag chains, Consisting of at least one wire, which is surrounded by insulation, flexible electrical conductor and a jacket attached over the insulation Has insulating material ("Catalog 2000" from the DE company Lappvier, Stuttgart).
- the term “cable for drag chains” is intended to cover all flexible cables be used as connecting lines between portable consumers and one Voltage or signal source can be used. So “consumers” can for example cranes, machine tools and robots. The lines must be mechanically strong and remain flexible in a wide temperature range, for example between -40 ° C and +80 ° C.
- the mentioned in the beginning Cable chain cables described in Lapp Lucas's catalog 2000 meet the requirements described requirements as well as those in the catalog 01/2000 "Chainflex" of the DE company IGUS GmbH, Cologne described control lines.
- the insulation of the veins of the Known lines consist of high quality and accordingly expensive Materials such as thermoplastic elastomers (TPE) or mechanically high-quality PVC, but with a high dielectric constant and a low one Insulation resistance has relatively poor electrical values.
- the invention has for its object to the line described above shape them with improved electrical and mechanical properties can be manufactured cheaper.
- This object is achieved according to the invention in that the insulation of the conductor from an inner layer of a polypropylene which is adjacent to the same containing rubber-elastic material and a surrounding and the inner layer firmly adhered to the same outer layer made of a material based on Polypropylene.
- Such a line is inexpensive to manufacture.
- the two layers of Conductor insulation can be done in printing technology in tandem or by co-extrusion are extruded directly one above the other so that their firm adhesion to one another is ensured.
- the line has a particularly advantageous one for signal transmission low dielectric constant and high dielectric strength.
- it will due to the "semi-hard" inner layer containing polypropylene and the harder outer layer Layer based on polypropylene achieved.
- This outer layer leads to one improved sliding ability of the wire in the same surrounding jacket made of insulating material and in particular of two or more wires present in a line among themselves.
- the service life of the cable in a drag chain with permanent Alternating bending stress is increased overall.
- FIG 1 and 2 show cross sections through two differently constructed lines according to the invention.
- the line according to the invention has at least one wire. But you can also with two or more wires that are stranded together in the usual technique can.
- the veins can be pairs, threes, fours or bundles be summarized.
- the line can also have an electrical screen exhibit. It is used in all possible embodiments for energy transmission or for signal transmission.
- the line according to FIG. 1 has a wire 1 which of an electrical conductor 2 with an insulation of an inner layer 3 and one outer layer 4 consists. Over the wire 1 is a jacket 5 made of insulating material appropriate. For example, it is made of polyurethane.
- the conductor 2 is more preferred Embodiment a stranded wire.
- two wires 1 and 6 are twisted together available, which are surrounded by the coat 5 common here.
- the coat 5 fills According to the drawing, the gusset between the wires 1 and 6 from. In front the attachment of the jacket 5 could also fill elements in the gusset between the Cores 1 and 6 must be attached. If the jacket 5 - as shown in Fig. 2 - the Fills the gusset, there is a mechanically more stable line, in particular the Requirements in drag chains has grown.
- the jacket 5 can be used as an "inner jacket” principally be made from a cheaper insulation material if over the same in addition an outer jacket 7 made of high quality insulating material such as a thermoplastic elastomer.
- the outer jacket 7 is preferably glued to the jacket 5.
- Both wires 1 and 6 have a conductor 2 surrounding insulation consisting of the two layers 3 and 4.
- the inner layer 3 of the insulation of each wire 1 or 6 consists of a rubber-elastic material to which polypropylene is added.
- the rubber-elastic material is an ethylene-propylene rubber (EPR).
- EPR ethylene-propylene rubber
- the proportion of polypropylene in the material of the inner layer 3 is more preferably Embodiment 60%. It should be between 40% and 80%.
- the elastic Properties of the rubber-elastic material and thus the inner layer 3 are not significantly influenced by the inherently rigid material polypropylene. It serves also as an adhesion promoter to the outer, entirely made of a material based on Polypropylene existing layer 4.
- the outer layer 4 has the known good Slip factor of polypropylene.
- a copolymer of Polypropylene used. In principle, however, they are also homopolymers of Polypropylene can be used. This relatively rigid material hampers the good one Bendability of the line is only insignificant, since the inner layer 3 is sufficiently elastic is. However, it ensures the good sliding properties of the insulated wires.
Landscapes
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
Abstract
Description
Claims (5)
- Flexible elektrische Leitung für Schleppketten, bestehend aus mindestens einer Ader, die einen von einer Isolierung umgebenen, flexiblen elektrischen Leiter und einen über der Isolierung angebrachten Mantel aus Isoliermaterial aufweist, dadurch gekennzeichnet, daß die Isolierung des Leiters (2) aus einer an demselben anliegenden inneren Schicht (3) aus einem Polypropylen enthaltenden gummielastischen Material sowie einer die innere Schicht (3) umgebenden und fest an derselben haftenden äußeren Schicht (4) aus einem Material auf der Basis von Polypropylen besteht.
- Leitung nach Anspruch 1, dadurch gekennzeichnet, daß als gummielastisches Material ein Ethylen-Propylen-Rubber eingesetzt ist.
- Leitung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Anteil des Polypropylens am Material der inneren Schicht (3) zwischen 40 % und 80 %, vorzugsweise 60 %, beträgt.
- Leitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß für die äußere Schicht (4) ein Copolymer des Polypropylens eingesetzt ist.
- Leitung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Verhältnis der Wandstärken der inneren Schicht (3) zur äußeren Schicht (4) zwischen 50 : 50 und 70 : 30 liegt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2000136610 DE10036610A1 (de) | 2000-07-27 | 2000-07-27 | Flexible elektrische Leitung für Schleppketten |
| DE10036610 | 2000-07-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1176612A2 true EP1176612A2 (de) | 2002-01-30 |
| EP1176612A3 EP1176612A3 (de) | 2003-01-15 |
| EP1176612B1 EP1176612B1 (de) | 2007-01-10 |
Family
ID=7650409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20010401876 Expired - Lifetime EP1176612B1 (de) | 2000-07-27 | 2001-07-12 | Flexible elektrische Leitung für Schleppketten |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1176612B1 (de) |
| DE (2) | DE10036610A1 (de) |
| ES (1) | ES2275637T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2871285A1 (fr) * | 2004-06-07 | 2005-12-09 | Nexans Sa | Cable comportant plusieurs conducteurs isoles enveloppes dans une meme gaine et procede de fabrication d'un tel cable |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10242254A1 (de) | 2002-09-12 | 2004-03-25 | Nexans | Elektrisches Kabel zum Anschluß von bewegbaren elektrischen Verbrauchern |
| EP1447820B1 (de) * | 2003-02-17 | 2005-04-13 | Nexans | Flexible elektrische Leitung |
| DE102006025269A1 (de) * | 2006-05-31 | 2007-12-06 | Nexans | Flexible elektrische Leitung |
| DE102015101506A1 (de) | 2015-02-03 | 2016-08-04 | Daniel Schrempf | System und Verfahren zur Gewinnung von Sekundärrohstoffen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0376213B1 (de) * | 1988-12-23 | 1994-03-02 | Showa Denko Kabushiki Kaisha | Thermoplastischer Elastomer |
| DE8906828U1 (de) * | 1989-06-03 | 1990-07-05 | Felten & Guilleaume Energietechnik AG, 5000 Köln | Schrämtrosse mit erhöhter elektrischer Sicherheit gegen Quetsch- und Schlagbeanspruchung |
| DE4240209C2 (de) * | 1992-04-28 | 1998-07-02 | Daetwyler Ag | Datenübertragungskabel |
| DE4218707C2 (de) * | 1992-06-06 | 1997-01-23 | Felten & Guilleaume Energie | Flexible elektrische Leitung, insbesondere zur Stromversorgung von Schrämmaschinen |
| DE4308901C1 (de) * | 1993-03-19 | 1994-11-10 | Gore W L & Ass Gmbh | Schleppkettenersatz |
| DE29515705U1 (de) * | 1995-10-02 | 1995-11-30 | Alcatel Kabel AG & Co., 30179 Hannover | Flexible Leitung |
-
2000
- 2000-07-27 DE DE2000136610 patent/DE10036610A1/de not_active Withdrawn
-
2001
- 2001-07-12 EP EP20010401876 patent/EP1176612B1/de not_active Expired - Lifetime
- 2001-07-12 ES ES01401876T patent/ES2275637T3/es not_active Expired - Lifetime
- 2001-07-12 DE DE50111834T patent/DE50111834D1/de not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2871285A1 (fr) * | 2004-06-07 | 2005-12-09 | Nexans Sa | Cable comportant plusieurs conducteurs isoles enveloppes dans une meme gaine et procede de fabrication d'un tel cable |
| EP1605474A3 (de) * | 2004-06-07 | 2006-02-22 | Nexans | Kabel mit mehreren isolierten Leitern in einem Mantel und Herstellungsverfahren des Kabels. |
| US7586044B2 (en) | 2004-06-07 | 2009-09-08 | Nexans | Cable including a plurality of insulated conductors enclosed in the same sheath and method of fabricating this kind of cable |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10036610A1 (de) | 2002-02-07 |
| EP1176612B1 (de) | 2007-01-10 |
| ES2275637T3 (es) | 2007-06-16 |
| EP1176612A3 (de) | 2003-01-15 |
| DE50111834D1 (de) | 2007-02-22 |
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