EP3007179A1 - Cable tres rigide et son procede de fabrication - Google Patents

Cable tres rigide et son procede de fabrication Download PDF

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Publication number
EP3007179A1
EP3007179A1 EP15002889.2A EP15002889A EP3007179A1 EP 3007179 A1 EP3007179 A1 EP 3007179A1 EP 15002889 A EP15002889 A EP 15002889A EP 3007179 A1 EP3007179 A1 EP 3007179A1
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EP
European Patent Office
Prior art keywords
cable
wires
profile
cable core
reinforcement
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.)
Withdrawn
Application number
EP15002889.2A
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German (de)
English (en)
Inventor
Werner Führer
Werner Haberkamp
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3007179A1 publication Critical patent/EP3007179A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • H01B7/046—Flexible cables, conductors, or cords, e.g. trailing cables attached to objects sunk in bore holes, e.g. well drilling means, well pumps
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/226—Helicoidally wound metal wires or tapes

Definitions

  • the invention relates to a cable of high rigidity, in particular high axial stiffness, according to the preamble of claim 1 of the invention.
  • According to claim 13 of the invention further relates to a method for producing such a cable.
  • geophysical measurements are carried out by means of a cable and associated measuring heads or probes in vertical and partly also horizontally inclined boreholes with long lengths.
  • Geophysical measurements are carried out both at the open borehole and after lowering of a production pipe under production conditions respectively at the closed borehole.
  • the probes are either lowered to the measuring cable or they are already placed before the introduction of the cable into the well at a distal end of the cable.
  • this presupposes that the measuring and exploration cables with associated measuring technology are designed for the pressures, temperatures and humidities inherent in the depths.
  • axial force application is required with which caused by contacting friction and braking resistors must be overcome. This can only be achieved with a cable that can absorb sufficient thrust forces.
  • Measurement and exploration cables are already known from the prior art, the core of which is surrounded by a reinforcement consisting of two layers of high-strength steel wires, in particular round wires, with 0.8 to 1.3 millimeters in diameter. These cables can only absorb tensile forces. Furthermore, the round wires used for the reinforcement must be stretched in order to achieve a uniform fit or a uniform alignment over the circumference of the cable.
  • the DE 38 08 049 A1 a single or multi-core electrical cable, in particular borehole or shaft cable, which is constructed from a probation arranged above a soul as well as an enclosure located above it.
  • the plastic strands may have a Z-shaped Queritessforrn to achieve sufficient vault resistance.
  • the high-tensile threads or yarns can also be arranged in a molded strand of PP, which has a groove on one side and a spring on the other side, by means of which the molding strand is positively connected to the adjacent molding strands and so the reinforcement or reinforcement formed. This should improve the transverse pressure stability of the reinforcement or reinforcement.
  • plastic strands Above the location plastic strands is another layer of rippled metal wires, such as round wires, or applied from a wire mesh or from a corrugated metal sheath. The further layer is surrounded by a sheath made of an abrasion-resistant plastic.
  • the DE 10 2004 015 219 A1 describes a cable for geophysical measurement and reconnaissance purposes, in particular for use in the oil and gas production industry.
  • This cable has a cable core which comprises a plurality of conductors combined to form a conductor bundle and insulated from one another, as well as a conductor core
  • a reinforcement forming the outer jacket of the cable is constructed from at least one layer of Z-wires, which are wound in a helical manner over a relatively long section, namely the lay length of the cable, around the jacket, whereby adjacent Z-wires in each case positively join one another and interlock with one another.
  • the US 2008/0289849 A1 describes a cable for geophysical surveying and exploration purposes, or a downhole cable comprising at least one metallic conductor encased in an insulating jacket, a layer of inner reinforcing wires surrounding the insulated conductor, and a layer of outer reinforcing wires surrounding the inner reinforcing wires.
  • the inner layer of reinforcement wires can be formed by round wires or profile wires.
  • the outer layer may be formed by round wires, by profiled wires or by a combination of round and profiled wires.
  • a polymeric material is introduced in spaces between the inner reinforcing wires, in spaces between the outer reinforcing wires, as well as in spaces between the inner reinforcing wires and the insulated conductor, said polymer material enveloping and separating the reinforcing wires.
  • the DE 10 2009 057 147 A1 describes a cable for geophysical measurement and reconnaissance purposes, comprising a cable core and a stranding bandage covering same and forming a reinforcement.
  • the reinforcement is constructed from at least one stranding layer of two groups over the circumference of the cable of alternately arranged stranding wires of different cross-section with mutually complementary contact surfaces.
  • a group of stranded wires is formed by round wires and the other group of stranded wires by profile wires.
  • the profile wires have an arcuate profile cross-section, which is attributed to the basic geometry of a sector profile of a circular ring.
  • the contact surfaces of the profile wires are complementary to the contact surfaces of the adjacent round wires concave.
  • the cable core is surrounded by a reinforcement, wherein, if necessary, provided for forming the reinforcement number of Arm michsdrähten is replaced by a partial area placement of Grestrnature.
  • the filler strands are preferably made of plastic to reduce the weight. Due to the fact that the cable has reinforcements of different strengths in the direction of its longitudinal axis, this is not suitable as a geophysical measuring and exploration cable, since on the one hand there is no axial rigidity sufficient for tensile and compressive force loading and, on the other hand, no constant axial rigidity in the direction of its Has longitudinal axis.
  • the DE 38 10 746 C2 further describes a submarine cable with a cable core having at least one optical waveguide and sheathing with at least one reinforcement.
  • the trapped by the reinforcement cable core is in this case completely filled using a multi-layered high-voltage insulating layer.
  • Characteristic of this technical solution is that the sheathed by an outer sheath made of an elastic plastic reinforcement of interlocking Z-shaped profile wires is formed, and that within the cable core at least the optical waveguide tubular surrounding electrical conductor is arranged of a plurality of segment wires.
  • the object of the invention to provide an alternative with respect to the prior art cable high rigidity, in particular high axial stiffness, which is simple and inexpensive hersteilbar according to a first aspect of the invention, a trouble-free transmission of electrical power and / or Signals allowed and ensures a secure bond between the cable core and a same supporting armor.
  • the cable should reliably prevent the passage of particular fluids through its outer shell in the case of deep boreholes, in particular also in the offshore region.
  • the cable allow the exploration and measurement of long, especially horizontal boreholes or holes with low inclination and thus high pressure and tensile forces and without any deformation can absorb differential internal pressures of the cable.
  • the object of the invention is also to provide a simple and inexpensive method for producing such a cable.
  • the cable core has one or more electrical conductors and / or signal conductors, which is covered by a sheath made of an insulating material or is integrally formed with said sheath /, wherein on the outer surface of the sheath of insulating material at least one means for provided electromagnetic shielding of the electrical conductors and / or signal conductor or is integrated into the jacket, and wherein the cable core is axially fixedly connected to the reinforcement by cloth, form and / or adhesion.
  • said jacket of an insulating material is preferably formed by a synthetic polymer, which can be easily and inexpensively processed.
  • ETFE advantageously combines a high temperature resistance (up to 150 ° C.) with good resistance to aggressive media, such as, for example, acids, aromatic hydrocarbons, etc.
  • ETFE advantageously has a low weight and can be used particularly advantageously as an electrical insulator.
  • the at least one means for electromagnetic shielding is preferably formed by an easily processed band-shaped or tubular metal mesh and / or by a band-shaped or tubular metal foil.
  • the metal mesh or metal strip consists z. B. of a copper or a copper alloy.
  • a group Verseildrumblete the reinforcement is formed by round wires
  • the other group Verseildrähte is formed by profile wires, which profile wires have an arcuate profile cross-section, which is attributed to the basic geometry of a sector profile of a circular ring, and wherein the contact surfaces of the Profile wires are complementary to the shape of the contact surfaces of the adjacent round wires concave.
  • Such a cable can transmit high compressive and tensile forces and has a high transverse stability or strength in the radial direction, whereby the preservation of the cable assembly is ensured even at great depths with high pressures.
  • the stranded wires of both groups each have an arcuate profile cross-section, which is attributed to the basic geometry of a sector profile of a circular ring, wherein the one group Verseildrumblete is formed by first profile wires, which first profile wires on both sides of the sector profile in the region of their contact surfaces each have at least one along the profile wire extending longitudinal ridge, whereas the other group of stranded wires is formed by second profile wires, which second profile wires in the region of their contact surfaces in each case to said longitudinal webs of the immediately adjacent first profile wires corresponding and each having a longitudinal ridge positively receiving longitudinal grooves.
  • the round wires and profile wires of at least one Verseillage each consist of a steel, the round wires advantageously stranded with reverse rotation and the profile wires backless and the profiled wires in addition by means of known per se Vorformungs recognizeden pre-molding experienced, put tension in the stranding are.
  • a quality-appropriate layer structure of the reinforcement forming the stranding in particular a dense composite of Verseildrumblete guaranteed in the Verseillage.
  • the cable core with the reinforcement by material form and / or adhesion axially firmly connected.
  • the material bond is preferably effected by means of an adhesive, which in turn is further preferably applied to the cable core and sets after hardening of the cable core with the armor respectively the stranding of the stranded wires on the cable core or hardens.
  • the adhesive acts advantageously simultaneously as a sealing means by filling any remaining voids between the profile wires of the reinforcement of the cable and between the profile wires and the cable core, whereby a particularly high fluid tightness of the cable is ensured.
  • this is effected by means of at least one survey, which elevation is formed on a cable core facing contact surface of at least one profile wire and directed radially inward into the surface of the cable core positively enters, but at least pressed against the surface of the cable core is / is.
  • the survey can extend along the profile wire, causing it to wrap around the cable core in a helical manner and thus a prevents axial relative movement between the reinforcement of the cable and the cable core, but at least effectively hindered.
  • the at least one elevation may also extend transversely to the longitudinal extent of the profile wire.
  • a contact surface with the cable core is formed, which has at least partially alternately elevations and teeth and tooth gaps in the manner of a rack, which teeth penetrate positively into the surface of the cable core, but at least pressed against the surface and so said Prevent axial relative movement, but at least hinder effectively.
  • the profile wires are made of a steel which, in turn, is capable of withstanding high and highest forces acting on the cable, for example when used for geophysical measurement and reconnaissance purposes, particularly in the petroleum and natural gas production industries.
  • said at least one protrusion is preferably already formed during the production of the at least one profile wire according to a rolling process.
  • the cable described above is advantageously usable for geophysical measurement and reconnaissance purposes, in particular in the oil and gas extraction industry.
  • it can also be used as a sea cable or as a different cable with one or more electrical and / or signal conductors, such as a ground cable.
  • step da) is provided between step d) and step e), which is characterized in that before applying the reinforcement to the cable core in said stranding point the surface of the cable core is so wetted with an adhesive that after Application of the reinforcement after step e) any cavities to be recorded are taken up by the adhesive both between the reinforcement wires forming the reinforcement and between the reinforcement and the cable core.
  • a positive and / or frictional connection is effected by at least one profiled wire formed as a profiled wire at least one radially inward on a facing the cable core contact surface with the cable core directed elevation is formed, which elevation positively penetrates into the surface of the cable core, but at least pressed against the surface of the cable core.
  • the Fig. 1 and 2 show a first variant of a cable 1 formed according to the invention with a cable core 2, which in turn has a solid cross-section and is covered by a reinforcement 3.1 forming a stranding.
  • the reinforcement 3.1 causes the axial and radial stability respectively rigidity of the cable.
  • the cable core 2 has according to the in the Fig. 1 and 2 shown embodiment of the invention merely by way of example a single electrical conductor 4, in particular copper conductor on.
  • the electrical conductor 4 is covered by a jacket 5 made of a synthetic polymer, as it were embedded in the jacket 5.
  • the jacket 5 is preferably applied to the electrical conductor 4 by a known extrusion method.
  • ETFE advantageously combines a high temperature resistance (up to 150 ° C.) with good resistance to aggressive media, such as, for example, acids, aromatic hydrocarbons, etc.
  • ETFE advantageously has a low weight and can be used particularly advantageously as an electrical insulator.
  • a signal conductor may be provided, for example in the form of a light waveguide made of a preferably temperature-resistant fiberglass.
  • the cable core 2 can also have one or more conductor bundles, which are formed, for example, by electrical conductors 4 and / or signal conductors, such as light waveguides (not shown in the drawing).
  • the electrical conductors 4 or signal conductors or conductor bundles themselves can be encased in a medium-tight manner, but then additionally covered by said jacket 5 (not shown in the drawing).
  • the cable core 2 has a means 6 for electromagnetic shielding of the exemplary exemplary single electrical conductor 4.
  • the means 6 for electromagnetic shielding is preferably formed by a detail not shown in detail, but known per se band-shaped or tubular metal mesh and / or by a band-shaped or tubular metal foil.
  • the metal mesh or metal strip is preferably made of copper or a copper alloy.
  • the means 6 for electromagnetic shielding or the metal mesh or the metal foil is applied to the outer circumferential surface 7 of the jacket 5, for example, wound as a tape on the jacket 5 or braided or mounted as a hose on the jacket 5.
  • the means 6 for electromagnetic shielding respectively the metal net or the metal foil can be embedded in the jacket 5 or formed integrally therewith.
  • Hierbel acts the means 6 for electromagnetic shield respectively the metal net or metal foil as an insert as it is continuously embedded during the manufacture of the shell 5 by said extrusion process in the extrusion mass of the shell 5 (not shown here, but see Fig. 6a, 6b and their explanations).
  • Fig. 1 and 2 is the reinforcement 3.1 from a Verseillage two groups over the circumference of the cable 1 alternately arranged Verseildrähte different cross-section with each other form complementary formed Contact surfaces 8, 9 constructed.
  • One group of stranded wires is formed by round wires 10, whereas the other group of stranded wires is formed by profile wires 11.
  • the profile wires 11 in this case have an arcuate profile cross-section, which is attributed to the basic geometry of a sector profile of a circular ring, so that the contact surfaces 9 of the profile wires 11 are complementary to the contact surfaces 8 of the adjacent round wires 10 concave.
  • the round and profile wires 10, 11 are preferably made of a steel which, in turn, is capable of withstanding high and high forces acting on the cable 1, for example, when used for geophysical measuring and reconnaissance purposes, particularly in the petroleum and natural gas production industries.
  • the round wires 10 are twisted backless and the profile wires 11 twisted backless and tension-free in the stranding, wherein the profile wires 11 by means of known per se pre-shaping learn in advance a corresponding preforming.
  • the cable core 2 with the reinforcement 3.1 by fabric, shape and / or adhesion firmly connected axially.
  • the said material bond is preferably effected by means of an adhesive 12, which in turn is applied to the cable core 2 and after the sheathing of the cable core 2 with the reinforcement 3.1 respectively the stranding of the Verseildrähte or the round and profile wires 10, 11 sets on the cable core 2 or hardens.
  • the adhesive 12 acts advantageously at the same time as a sealant by any remaining voids between the round and profile wires 10, 11 of the reinforcement 3.1 of the cable 1 and between the round and profile wires 10, 11 and the cable core 2 fills, creating a particularly high fluid tightness of the cable 1 is ensured.
  • the adhesive 12 is preferably made of a suitable synthetic polymer.
  • this is effected by means of at least one elevation 13.1, 13.2 at a contact surface 14 facing the cable core 2 at least one profile wire 11.
  • the at least one elevation 13.1, 13.2 is directed from said contact surface 14 radially inward, whereby this form-fitting penetrates in the course of the stranding in the surface of the cable core 2, but at least pressed against the surface of the cable core 2 and so an axial relative movement between the Reinforcement 3.1 and the cable core 2 prevented, but at least effectively hindered.
  • Fig. 2 In this respect, two embodiments of a positive joint connection in a drawing by means of elevations 13.1, 13.2, which can be used alternatively or in combination (dashed lines in each case), supplementarily to the material-fit joint connection for simplicity.
  • the elevation 13.1 extends along the respective profile wire 11. Through the stranding carried the survey 13.1 spirals wrapped around the cable core 2 and penetrates the same in the form-fitting manner. This will prevent an axial relative movement between the profile wire 11 and the cable core 2, but at least hinder effective.
  • a plurality of the profiled wires 11, more preferably all profile wires 11, are preferably equipped with at least one such elevation 13.1 (not shown in the drawing).
  • the survey 13.2 extends transversely to the longitudinal extent of the profile wire 11.
  • a contact surface 14 is formed with the cable core 2, which at least partially alternately elevations 13.1, so to speak teeth, as well as tooth in the manner of a rack Has gaps.
  • the teeth penetrate positively in the surface of the cable core 2, which also prevents an axial relative movement between the profile wire 11 and the cable core 2, but at least effectively hindered / is.
  • a plurality of the profile wires 11, more preferably all profile wires 11 are equipped with at least one such elevation 13.2 (not shown in the drawing).
  • the profiled wires 11 are preferably made of a steel, which in turn is capable of withstanding high and highest forces acting on the cable 1, for example when used for geophysical measuring and reconnaissance purposes, in particular in the petroleum and natural gas production industries.
  • said at least one elevation 13.1, 13.2 is preferably already formed during the production of the at least one profile wire 11 by a rolling process on the profile wire 11.
  • Fig. 3 to 5d show a second embodiment of the cable 1 according to the invention, wherein functionally identical parts are denoted by the same reference numerals as in the previous drawings, so that reference is made to the explanation of the embodiment 1 for explanation thereof.
  • This second embodiment variant of the cable 1 differs from the previously described first embodiment essentially in that a reinforcement 3.2 is provided, in which one of the two groups of stranding wires is formed by first profile wires 15, which first profile wires 15 on both sides of the sector profile in the region of their contact surfaces 16 respectively have a longitudinal web 17 extending along the profile wire 16.
  • the invention is not limited to a longitudinal web 17 per contact surface 16, but also detects two or more seen in the radial direction of the cable 1 stacked longitudinal webs 17 at least in the region of one of said contact surfaces 16 (not shown in the drawing).
  • the other group of stranded wires is formed by second profiled wires 18, which second profiled wires 18 in the region of their contact surfaces 19 respectively to said longitudinal webs 17 of the immediately adjacent first profile wires 15 corresponding and each have a longitudinal web 17 positively receiving longitudinal grooves 20.
  • the longitudinal webs 17 and the form complementary thereto formed longitudinal grooves 20 have a rectangular or square cross-section. As a result, extend radially inward and radially outwardly facing surfaces of the longitudinal webs 17 on a normal to the radius of the cable 1. This results in a high resistance of the profile wires 15, 18 against radial dissolution of the composite of the reinforcement 3.2.
  • the longitudinal webs 17 of the first profile wires 15 seen in cross section of each first profile wire 15 to its free end are formed tapering.
  • the longitudinal webs 17 are preferably trapezoidal in cross-section ( Fig. 5b ) or convex rounded ( Fig. 5c ) educated. It is also conceivable and accordingly covered by the invention to provide a tapered cross-section of the longitudinal webs 17 (not shown in the drawing).
  • each longitudinal web 17 a first, profile-side portion 17a thereof provided with radially inwardly and radially outwardly facing surfaces which lie on a normal to the radius of the cable 1, wherein at least one of said first portions 17a then into a second, free end Section 17b passes, which is formed inclined so that the cross section of the longitudinal web 17 tapers in this end portion 17b.
  • Fig. 6a and 6b show on the basis of the variant 2, a third embodiment of the cable 1 according to the invention, wherein functionally identical parts are designated by the same reference numerals as in the previous drawings, so that reference is also made to the above descriptions of the embodiments 1 and 2 for their explanation.
  • the above embodiments focus on a cable 1 with a cable core 2 and the cable core 2 sheathing reinforcement 3.1 and 3.2, which Reinforcement 3.1 or 3.2 "only” is formed by a Verseillage the type described above.
  • the invention is not limited to these embodiments, but also covers cable 1 of the generic type with a reinforcement 3.1 and 3.2, which is formed by a plurality of layers of the type described (not shown in the drawing).
  • the Verseillagen described above can be combined arbitrarily.
  • a device for applying an adhesive 12 to the Cable core 2 is arranged in the region of the stranding point 27 .
  • a second extruder 31 is used for this purpose.
  • the stranded wires namely round wires 10 and profile wires 11 or first and second profile wires 15, 18, are guided into a spray head of the second extruder 31 filled with adhesive 12 and inside the second extruder 31 onto the cable core 2 to form the reinforcement 3.1 and 3.2 applied.
  • the stranding point 27 is arranged so to speak in the spray head of the second extruder 31.
  • a positive and / or frictional connection are effected by a facing the cable core 2 contact surface 14 of said profile wires 11; 15, 18 with the cable core 2 at least one radially inwardly directed elevation 13.1, 13.2 is formed, which elevation 13.1, 13.2 during the stranding in Verseilvorganges 27 positively enters the surface of the cable core 2, but at least against the surface of the cable core 2 is pressed (see esp. Fig. 2 . 6a, 6b ).

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  • Insulated Conductors (AREA)
EP15002889.2A 2014-10-10 2015-10-09 Cable tres rigide et son procede de fabrication Withdrawn EP3007179A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014014794.0A DE102014014794A1 (de) 2014-10-10 2014-10-10 Kabel hoher Steifigkeit und Verfahren zur Herstellung desselben

Publications (1)

Publication Number Publication Date
EP3007179A1 true EP3007179A1 (fr) 2016-04-13

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Application Number Title Priority Date Filing Date
EP15002889.2A Withdrawn EP3007179A1 (fr) 2014-10-10 2015-10-09 Cable tres rigide et son procede de fabrication

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EP (1) EP3007179A1 (fr)
DE (1) DE102014014794A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467404A (zh) * 2020-10-22 2021-03-09 邹平市供电有限公司 一种电缆连接装置
CN113075771A (zh) * 2021-03-31 2021-07-06 富通集团（嘉善）通信技术有限公司 一种抗形变带状光缆
CN117809895A (zh) * 2024-01-10 2024-04-02 广东新亚光电缆股份有限公司 一种中压交联电缆节能异形导体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808049A1 (de) 1988-03-11 1989-09-21 Kabelmetal Electro Gmbh Ein- oder mehradriges elektrisches kabel mit bewehrung
DE3810746C2 (de) 1987-04-02 1998-07-02 Norddeutsche Seekabelwerk Gmbh Seekabel
DE10059918A1 (de) 1999-12-27 2001-06-28 Norddeutsche Seekabelwerk Gmbh Kabel, insbesondere Seekabel, und Verfahren zur Herstellung desselben
DE102004015219A1 (de) 2004-03-22 2005-11-24 Warschau, Katrin Kabel für geophysikalische Mess- und Erkundungszwecke
US20080289849A1 (en) 2005-01-12 2008-11-27 Joseph Varkey Enhanced Electrical Cables
DE102009057147A1 (de) 2009-12-05 2011-06-09 Führer, Werner Kabel hoher Steifigkeit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810746C2 (de) 1987-04-02 1998-07-02 Norddeutsche Seekabelwerk Gmbh Seekabel
DE3808049A1 (de) 1988-03-11 1989-09-21 Kabelmetal Electro Gmbh Ein- oder mehradriges elektrisches kabel mit bewehrung
DE10059918A1 (de) 1999-12-27 2001-06-28 Norddeutsche Seekabelwerk Gmbh Kabel, insbesondere Seekabel, und Verfahren zur Herstellung desselben
DE102004015219A1 (de) 2004-03-22 2005-11-24 Warschau, Katrin Kabel für geophysikalische Mess- und Erkundungszwecke
US20080289849A1 (en) 2005-01-12 2008-11-27 Joseph Varkey Enhanced Electrical Cables
DE102009057147A1 (de) 2009-12-05 2011-06-09 Führer, Werner Kabel hoher Steifigkeit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467404A (zh) * 2020-10-22 2021-03-09 邹平市供电有限公司 一种电缆连接装置
CN113075771A (zh) * 2021-03-31 2021-07-06 富通集团（嘉善）通信技术有限公司 一种抗形变带状光缆
CN113075771B (zh) * 2021-03-31 2023-02-14 富通集团（嘉善）通信技术有限公司 一种抗形变带状光缆
CN117809895A (zh) * 2024-01-10 2024-04-02 广东新亚光电缆股份有限公司 一种中压交联电缆节能异形导体

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