EP1388867A1 - Câble électrique - Google Patents

Câble électrique Download PDF

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Publication number
EP1388867A1
EP1388867A1 EP03291690A EP03291690A EP1388867A1 EP 1388867 A1 EP1388867 A1 EP 1388867A1 EP 03291690 A EP03291690 A EP 03291690A EP 03291690 A EP03291690 A EP 03291690A EP 1388867 A1 EP1388867 A1 EP 1388867A1
Authority
EP
European Patent Office
Prior art keywords
layer
electrical cable
cable according
adhesion promoter
extruded
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
Application number
EP03291690A
Other languages
German (de)
English (en)
Other versions
EP1388867B1 (fr
Inventor
Franz Dänekas
Marc Strittmatter
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
Publication of EP1388867A1 publication Critical patent/EP1388867A1/fr
Application granted granted Critical
Publication of EP1388867B1 publication Critical patent/EP1388867B1/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
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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

Definitions

  • the invention relates to an electrical cable according to the preamble of claim 1 and a method for producing an electrical cable according to the preamble of Claim 6.
  • WO 02/15202 describes a cable that can be laid in water and in a humid environment known with polyethylene sheath, which encloses a cable core and on one Fire protection layer is extruded.
  • the material of the fire protection layer is heavy flammable, adheres well to the polyethylene jacket and is halogen-free.
  • the fire protection layer is made flame retardant by adding special flame retardant fillers or additives to an ethylene copolymer achieved.
  • the polyethylene jacket and the fire protection layer are made in one step manufactured.
  • Base material is an ethylene copolymer
  • only a little adhesion with one Sheath surface made of polyethylene when the sheath layer and the highly filled Mixture can be extruded in two steps.
  • the cladding and the fire protection layer is a good bond between the two Layers can be achieved, but it is because of the high melt temperature during processing of the HDPE on flame retardants commonly used for cable jackets to resort to, whose flame retardant reaction sets in at temperatures that is above the melt temperature of the HDPE.
  • the present invention is therefore based on the object, the known cable to improve in that the outer fire protection layer is an essential improved property in the event of fire and improved adhesion to the has underlying polyethylene sheath, and there is the possibility almost all commercially available halogen-free flame retardant materials use.
  • FIGS. 1 and 2 Exemplary embodiments explained in more detail.
  • Figure 1 shows a side section through a cable according to the teaching of the invention.
  • the cable has a cable core 1 which, for example, insulates one or more may have electrical conductors.
  • the electrical conductors have an inner one in addition to insulation and an outer conductive layer.
  • the cable core 1 is surrounded by a cable jacket 2, which consists of a first inner Layer 2a consists of polyethylene and a second outer layer 2b, which is flame retardant and made from a highly filled thermoplastic There is a plastic mixture.
  • This third layer 2c consists of an adhesion promoter, which is an intimate connection between the first and second layers.
  • the material of the first layer is pure polyethylene with no additives worth mentioning.
  • This mixture has an oxygen index of 25 - 36%.
  • the third layer is a copolymer of ethylene, which, for example, under the Trade name Lotryl 18 MA 02 is available.
  • the copolymer is preferably a Dye masterbatch added, which, for. B. under the trade name Plasblack PE 4470 is available.
  • the mixing ratio is approximately 99 parts copolymer to 1 part Dye masterbatch.
  • the first and third layers are preferably coextruded onto the Extruded cable core.
  • the second layer can be applied immediately in the same work step extrude the still warm third layer. But it is also possible the second Apply layer in a subsequent operation.
  • the third layer can also be made from a film by longitudinal laying or winding Copolymer of ethylene can be generated on the first layer.
  • the film is sealed due to the heat of extrusion generated by the extrusion of the second layer with the first as well as with the second layer.
  • Figure 2 shows a side view of a manufacturing facility.
  • the cable core 1 running from a storage drum 3 becomes a first extruder 4 fed.
  • the extruder 4 is a so-called coextrusion extruder, which has a first Screw 4a is the material of the first layer and, via a second screw 4b, that Material of the third layer is fed. Layers 2a and 2c are shown in concentric arrangement the mouthpiece 4c of the extruder 4 fed.
  • the cable core provided with layers 2a and 2c now arrives in a second Extruder 5, which extrudes the second layer 2b onto the third layer 2c. That now Finished cable 6 is fed to a cooling basin 7 and onto a cable drum 8 wound.
  • the extrusion speed of the second extruder 5 can be less than 50% of the extrusion speed of the extruder 4, it can be advantageous to apply the second layer 2b in a separate operation.

Landscapes

  • Insulated Conductors (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Insulating Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Ropes Or Cables (AREA)
EP03291690A 2002-08-08 2003-06-08 Câble électrique Expired - Lifetime EP1388867B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10236288 2002-08-08
DE10236288A DE10236288A1 (de) 2002-08-08 2002-08-08 Elektrisches Kabel

Publications (2)

Publication Number Publication Date
EP1388867A1 true EP1388867A1 (fr) 2004-02-11
EP1388867B1 EP1388867B1 (fr) 2007-08-01

Family

ID=30128769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03291690A Expired - Lifetime EP1388867B1 (fr) 2002-08-08 2003-06-08 Câble électrique

Country Status (4)

Country Link
EP (1) EP1388867B1 (fr)
AT (1) ATE368927T1 (fr)
DE (2) DE10236288A1 (fr)
DK (1) DK1388867T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2870542A1 (fr) * 2004-05-21 2005-11-25 Nexans Sa Composition polymerique chargee resistante au feu et revetement isolant de cable la contenant
US7495174B2 (en) * 2004-06-03 2009-02-24 Autonetworks Technologies, Limited Coated Electric Wire
CN104599768A (zh) * 2014-08-27 2015-05-06 沈群华 一种发光电缆
EP2979839A1 (fr) * 2014-07-31 2016-02-03 Schneider Electric Industries SAS Pièces extrudées en matière plastique comprenant un revêtement ignifuge adhérent et leur procédé de préparation
CN112397228A (zh) * 2019-08-15 2021-02-23 江苏亨通电力电缆有限公司 电气化铁路用b1级单相交流电缆及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514036A (en) * 1980-10-10 1985-04-30 Raydex International Limited Cable having a laminated plastic insulating sheath
JPS6378409A (ja) * 1986-09-19 1988-04-08 株式会社フジクラ ケ−ブルのシ−ス形成方法
DE10131569A1 (de) * 2000-08-12 2002-02-21 Abb Patent Gmbh Kabel mit Polyethylenmantel und Verfahren zur Herstellung eines Kabels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3537221A1 (de) * 1985-10-17 1987-04-23 Siemens Ag Flammwidrig und halogenfrei ausgebildete isolierung
AU606179B2 (en) * 1987-07-29 1991-01-31 Kendall Company, The An adhesive tape
WO1992020538A1 (fr) * 1991-05-24 1992-11-26 The Dow Chemical Company Couches d'arret en elastomere pour pneus
DE19517392A1 (de) * 1995-05-11 1996-11-14 Siemens Ag Optisches Kabel mit mindestens einer Schutzschicht aus hitzebeständigem Material
DE19620963A1 (de) * 1996-05-24 1997-11-27 Alcatel Kabel Ag Brandsicheres elektrisches Kabel oder brandsichere elektrische Leitung und Verfahren zur Herstellung
ATE274746T1 (de) * 1999-04-03 2004-09-15 Pirelli & C Spa Raucharmes selbstlöschendes elektrisches kabel und flammwidrige zusammensetzung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514036A (en) * 1980-10-10 1985-04-30 Raydex International Limited Cable having a laminated plastic insulating sheath
JPS6378409A (ja) * 1986-09-19 1988-04-08 株式会社フジクラ ケ−ブルのシ−ス形成方法
DE10131569A1 (de) * 2000-08-12 2002-02-21 Abb Patent Gmbh Kabel mit Polyethylenmantel und Verfahren zur Herstellung eines Kabels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 198820, Derwent World Patents Index; Class A32, AN 1988-136526, XP002264711 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2870542A1 (fr) * 2004-05-21 2005-11-25 Nexans Sa Composition polymerique chargee resistante au feu et revetement isolant de cable la contenant
US7495174B2 (en) * 2004-06-03 2009-02-24 Autonetworks Technologies, Limited Coated Electric Wire
EP2979839A1 (fr) * 2014-07-31 2016-02-03 Schneider Electric Industries SAS Pièces extrudées en matière plastique comprenant un revêtement ignifuge adhérent et leur procédé de préparation
FR3024388A1 (fr) * 2014-07-31 2016-02-05 Schneider Electric Ind Sas Pieces extrudees en matiere plastique comprenant un revetement ignifuge adherent et leur procede de preparation.
CN104599768A (zh) * 2014-08-27 2015-05-06 沈群华 一种发光电缆
CN104599768B (zh) * 2014-08-27 2017-01-25 国网山东省电力公司沂水县供电公司 一种发光电缆
CN112397228A (zh) * 2019-08-15 2021-02-23 江苏亨通电力电缆有限公司 电气化铁路用b1级单相交流电缆及其制备方法

Also Published As

Publication number Publication date
ATE368927T1 (de) 2007-08-15
DK1388867T3 (da) 2007-10-29
EP1388867B1 (fr) 2007-08-01
DE10236288A1 (de) 2004-02-26
DE50307802D1 (de) 2007-09-13

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