EP1176613A2 - Leitung mit mindestens einem Übertragungselement - Google Patents
Leitung mit mindestens einem Übertragungselement Download PDFInfo
- Publication number
- EP1176613A2 EP1176613A2 EP01401875A EP01401875A EP1176613A2 EP 1176613 A2 EP1176613 A2 EP 1176613A2 EP 01401875 A EP01401875 A EP 01401875A EP 01401875 A EP01401875 A EP 01401875A EP 1176613 A2 EP1176613 A2 EP 1176613A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- jacket
- inner layer
- line
- layer
- outer 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
- H01B7/17—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
-
- 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
- H01B7/187—Sheaths comprising extruded non-metallic layers
Definitions
- the invention relates to a line with at least one transmission element, the is surrounded by a jacket made of insulating material (DE 298 08 657 U1).
- Lines to which the invention relates are, for example in the Industrial automation as flexible power supply lines, as combined lines used with energy and control wires as well as control cables.
- Transport element can So be an energy wire or a control or signal wire that is used for transmission electrical or optical signals may be suitable.
- Essential at These lines are the outer sheath that covers all possible mechanical, thermal and chemical stresses must have grown. Appropriate materials are known. Usually thermoplastic elastomers (TPE), polyurethane (PU) or polyvinyl chloride (PVC) is used. These lines are also intended for Connection purposes, for example for connecting plugs, as simple as possible to be stripped.
- the known line according to DE 298 08 657 U1 mentioned at the beginning can do such Meet demands. It consists of two with different colored insulation provided electrical wires, which lie side by side as a separating layer designated wrapping are surrounded. There is an extrusion over the separation layer generated inner jacket made of polyvinyl chloride, which has a dimensionally accurate, cylindrical outer Has surface. The inner jacket is made of a braid made of tinned copper wires surround. An outer jacket made of polyvinyl chloride provides mechanical protection intended. The jacket of this line can be used with a special tool Knife that penetrates into the sheath structure exactly in the working position up to the interface, be easily severed. However, the production of the line is very complex.
- the invention has for its object to the line described above design that they are simple and simple without risk of injury to the Head can be stripped.
- This line can be produced easily and without particular dimensional accuracy. You can with usual machines can be manufactured in one operation, including the two Layers for the coat.
- the line has an outer jacket with the desired or prescribed properties. But he can because of his special inner layer for example for connection purposes in a simple manner and can be removed from the conductor without risk of injury. All you need is that outer layer of the sheath to be completely severed. A minor one Scoring the inner layer does not interfere, it can even be an advantage.
- the jacket can then be torn off at the point of separation. The line is thereby especially suitable for semi or fully automatic assembly.
- the transmission element of the line according to the invention can - as already further mentioned above - an energy wire, an electrical control wire or an optical Be a tax wire.
- an energy wire an electrical control wire or an optical Be a tax wire.
- an optical Be a tax wire for the sake of simplicity, only the word "wire” is used in the following. It covers the three specified variants.
- the line L according to FIG. 1 consists of an electrical conductor 1 which is surrounded by a jacket M made of insulating material.
- the sheath M is thus also the insulation of the conductor 1.
- such a line L has a larger conductor cross section of, for example, 25 mm 2 .
- it can also be a core of a multi-core cable.
- Polypropylene for example, is used as the material for the insulation 2.
- the jacket M is composed of an inner layer 3 and an outer layer 4.
- the both layers 3 and 4 are firmly connected. They preferably exist from the same base material, such as a TPE, by adding of additives to the material of the inner layer 3 but different Characteristics.
- the layers 3 and 4 can in a preferred embodiment in same operation can be applied to the conductor 1, for example by Extrusion in tandem or by co-extrusion. You then connect directly together.
- the jacket M is not shown hatched in the drawings. His two-layer structure is marked by a dashed line.
- the inner layer 3 of the jacket M has both one compared to the outer layer 4 significantly lower tensile strength as well as a significantly lower elongation at break.
- The can be achieved, for example, by adding additives to the respective base material can be added, which in the extrudate reduces strength and elongation Have an effect.
- they can be polyolefins and chemically foamable Act additives.
- fillers or regenerated materials are also considered Additives that can be used in addition to the desired reduced strength and Strain values also to a reduced calorific value and thus to a lead flame retardant effect of the extruded inner layer 3.
- the two layers 3 and 4 should be approximately the same thickness.
- Your thickness ratio can be in in practice are around 60: 40 to 40: 60, the 60 for the outer layer 4. This ensures that both the mechanical and the chemical The durability of the M jacket meets the requirements.
- the tensile strength of the inner layer 3 is, for example, only half that of the outer layer 4. It is, for example, 20 N / mm 2 . Their elongation at break is, for example, about a factor of "3" less than that of the outer layer 4. It is, for example, about 150% compared to 500% of the outer layer 4.
- the TPE polyether urethane is used as the base material, with the same amount a polyolefin elastomer is mixed.
- the mixture consists of 40% polyether urethane (TPE) as the base material and 30% one Polyolefin elastomer and 30% calcium carbonate as additives.
- TPE polyether urethane
- the mixture consists of 50% polyether urethane (TPE) as the base material and 20% one Polyolefins, 29% calcium carbonate and 1% of a blowing agent as additives.
- TPE polyether urethane
- the electrical line L shown in Fig. 3 in section has three stranded together Cores A.
- the cores A consist of the conductor 1 and the surrounding one Insulation 2. Here you are surrounded by the M jacket.
- the ladder 1 are preferably flexible, stranded electrical wires made of copper wires.
- the administration L is shown with three wires A. It can also be two or more than three cores A. Each wire A can have a different structure than the other wires. That applies for example, if both energy and control wires in a line L available.
- the gusset between the wires can be used to create an approx circular peripheral surface of the "soul" of the line L with filler or through the The material of the jacket M surrounding the wires A must be filled.
- the line L according to FIGS. 5 and 6 is isolated over the Conductor 1 or the wires A is an electrical one designed as a braid or rope Screen 5 attached.
- an electrical one designed as a braid or rope Screen 5 attached.
- Separating layer 6 are placed around the screen 5, through which penetration of the Material of the inner layer 3 of the jacket M is prevented in the same. This is for the simple stripping of the line L is required.
- the separating layer 6 is made preferably made of a material that glues to the inner layer 3 of the jacket M.
- the winding 8 can consist of a nonwoven fabric, such as for example a polyester fleece.
Landscapes
- Insulated Conductors (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Liquid Crystal (AREA)
- Flexible Shafts (AREA)
Abstract
Description
- daß der Mantel aus einer inneren Schicht und einer äußeren Schicht besteht, die fest miteinander verbunden sind, und
- daß die Werte für Reißfestigkeit und Reißdehnung für die innere Schicht deutlich geringer als für die äußere Schicht bemessen sind.
Claims (7)
- Leitung mit mindestens einem Übertragungselement, das von einem Mantel aus Isoliermaterial umgeben ist, dadurch gekennzeichnet,daß der Mantel (M) aus einer inneren Schicht (3) und einer äußeren Schicht (4) besteht, die fest miteinander verbunden sind, unddaß die Werte für Reißfestigkeit und Reißdehnung für die innere Schicht (3) deutlich geringer als für die äußere Schicht (4) bemessen sind.
- Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die beiden Schichten (3,4) des Mantels (M) etwa gleich dick sind.
- Leitung nach Anspruch 1, dadurch gekennzeichnet, daß das Dickenverhältnis von äußerer Schicht (4) zu innerer Schicht (3) zwischen 60 : 40 und 40 : 60 beträgt.
- Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die Reißfestigkeit der inneren Schicht (3) etwa halb so groß wie die der äußeren Schicht (4) ist.
- Leitung nach Anspruch 4, dadurch gekennzeichnet, daß die Reißfestigkeit der inneren Schicht (3) etwa bei 20 N/mm2 liegt.
- Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die Reißdehnung der inneren Schicht (3) etwa um den Faktor "3" kleiner als die der äußeren Schicht (4) ist.
- Leitung nach Anspruch 6, dadurch gekennzeichnet, daß die Reißdehnung der inneren Schicht (3) etwa bei 150 % liegt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10037010 | 2000-07-29 | ||
DE10037010A DE10037010A1 (de) | 2000-07-29 | 2000-07-29 | Flexible elektrische Leitung für Schleppketten |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1176613A2 true EP1176613A2 (de) | 2002-01-30 |
EP1176613A3 EP1176613A3 (de) | 2003-01-15 |
EP1176613B1 EP1176613B1 (de) | 2008-01-23 |
Family
ID=7650660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01401875A Expired - Lifetime EP1176613B1 (de) | 2000-07-29 | 2001-07-12 | Leitung mit mindestens einem Übertragungselement |
Country Status (6)
Country | Link |
---|---|
US (1) | US6921864B2 (de) |
EP (1) | EP1176613B1 (de) |
AT (1) | ATE385033T1 (de) |
CA (1) | CA2354482C (de) |
DE (2) | DE10037010A1 (de) |
ES (1) | ES2296717T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2584567A1 (de) * | 2011-10-20 | 2013-04-24 | Nexans | Leicht abzumantelndes elektrisches Kabel |
WO2017211828A1 (de) * | 2016-06-08 | 2017-12-14 | Coroplast Fritz Müller Gmbh & Co. Kg | Koaxiale elektrische leitung für automatisierbare verarbeitungsprozesse |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9129727B2 (en) * | 2009-05-04 | 2015-09-08 | Panduit Corp. | Communication cable with embossed tape having encapsulated gas |
JP5737323B2 (ja) | 2013-05-01 | 2015-06-17 | 住友電気工業株式会社 | 電気絶縁ケーブル |
US10297365B2 (en) * | 2016-10-31 | 2019-05-21 | Schlumberger Technology Corporation | Cables with polymeric jacket layers |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3604311A1 (de) * | 1986-02-12 | 1987-08-13 | Kabelmetal Electro Gmbh | Mehradriges elektrisches energiekabel |
WO2000030126A1 (en) * | 1998-11-13 | 2000-05-25 | Amercable | Urethane-based coating for mining cable |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3852518A (en) * | 1973-11-29 | 1974-12-03 | Gen Cable Corp | Irradiation cross-linked composite low density/high density polyethylene insulated 600 volt power cables |
DE7802498U1 (de) * | 1978-01-25 | 1979-07-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektrischer Leiter mit zweischichtiger Isolierung |
US4430385A (en) * | 1982-02-18 | 1984-02-07 | Western Electric Company, Inc. | Compositely insulated conductor having a layer of irradiation cross-linked polymeric plastic material |
US5059483A (en) * | 1985-10-11 | 1991-10-22 | Raychem Corporation | An electrical conductor insulated with meit-processed, cross-linked fluorocarbon polymers |
DE3919880C2 (de) * | 1989-06-19 | 1994-10-20 | Kabelmetal Electro Gmbh | Mehradriges flexibles elektrisches Kabel zur Energieübertragung |
EP0646936A1 (de) * | 1993-10-04 | 1995-04-05 | Siemens Aktiengesellschaft | Isolierter(s) Leiter, Kabel oder Isolierrohr sowie Verfahren zur Herstellung einer Isolierung |
US5426264A (en) * | 1994-01-18 | 1995-06-20 | Baker Hughes Incorporated | Cross-linked polyethylene cable insulation |
DE19644870A1 (de) * | 1995-10-30 | 1997-05-07 | Felten & Guilleaume Energie | Elektrische Leitung |
FR2758647B1 (fr) * | 1997-01-22 | 1999-02-26 | Plasto Sa | Gaine pour faisceaux de fils |
US5861578A (en) * | 1997-01-27 | 1999-01-19 | Rea Magnet Wire Company, Inc. | Electrical conductors coated with corona resistant, multilayer insulation system |
US6100474A (en) * | 1997-06-23 | 2000-08-08 | Essex Group, Inc. | Magnet wire insulation for inverter duty motors |
US6207277B1 (en) * | 1997-12-18 | 2001-03-27 | Rockbestos-Surprenant Cable Corp. | Multiple insulating layer high voltage wire insulation |
-
2000
- 2000-07-29 DE DE10037010A patent/DE10037010A1/de not_active Ceased
-
2001
- 2001-07-12 DE DE50113524T patent/DE50113524D1/de not_active Expired - Lifetime
- 2001-07-12 ES ES01401875T patent/ES2296717T3/es not_active Expired - Lifetime
- 2001-07-12 EP EP01401875A patent/EP1176613B1/de not_active Expired - Lifetime
- 2001-07-12 AT AT01401875T patent/ATE385033T1/de active
- 2001-07-27 CA CA002354482A patent/CA2354482C/en not_active Expired - Fee Related
- 2001-07-27 US US09/915,528 patent/US6921864B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3604311A1 (de) * | 1986-02-12 | 1987-08-13 | Kabelmetal Electro Gmbh | Mehradriges elektrisches energiekabel |
WO2000030126A1 (en) * | 1998-11-13 | 2000-05-25 | Amercable | Urethane-based coating for mining cable |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2584567A1 (de) * | 2011-10-20 | 2013-04-24 | Nexans | Leicht abzumantelndes elektrisches Kabel |
WO2017211828A1 (de) * | 2016-06-08 | 2017-12-14 | Coroplast Fritz Müller Gmbh & Co. Kg | Koaxiale elektrische leitung für automatisierbare verarbeitungsprozesse |
Also Published As
Publication number | Publication date |
---|---|
DE10037010A1 (de) | 2002-02-07 |
DE50113524D1 (de) | 2008-03-13 |
US20020011346A1 (en) | 2002-01-31 |
ES2296717T3 (es) | 2008-05-01 |
EP1176613A3 (de) | 2003-01-15 |
CA2354482A1 (en) | 2002-01-29 |
ATE385033T1 (de) | 2008-02-15 |
US6921864B2 (en) | 2005-07-26 |
CA2354482C (en) | 2008-05-13 |
EP1176613B1 (de) | 2008-01-23 |
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