EP1056098A2 - Selbsttragendes leitendes Kabel - Google Patents

Selbsttragendes leitendes Kabel Download PDF

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Publication number
EP1056098A2
EP1056098A2 EP00500102A EP00500102A EP1056098A2 EP 1056098 A2 EP1056098 A2 EP 1056098A2 EP 00500102 A EP00500102 A EP 00500102A EP 00500102 A EP00500102 A EP 00500102A EP 1056098 A2 EP1056098 A2 EP 1056098A2
Authority
EP
European Patent Office
Prior art keywords
cable
self
supporting
core
tubular
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Withdrawn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
EP00500102A
Other languages
English (en)
French (fr)
Other versions
EP1056098A3 (de
Inventor
Fernando Andivia Abad
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.)
Casa Masfarne Sa
Original Assignee
Casa Masfarne 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 Casa Masfarne Sa filed Critical Casa Masfarne Sa
Publication of EP1056098A2 publication Critical patent/EP1056098A2/de
Publication of EP1056098A3 publication Critical patent/EP1056098A3/de
Withdrawn legal-status Critical Current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
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core

Definitions

  • the present invention relates to an electrical conductor cable of the self-supporting type, that is, in addition to comprising the conductor medium for the electric current, it also incorporates its own means of physical support avoiding the occurrence of flux effects in the conductor material itself, preferably copper, due to the stress resulting from its own weight.
  • the cable proposed herein has been specially designed for short spans, to be used uncovered and capable of withstanding any mechanical stress.
  • phase lines based on copper or aluminim cables exclusively, which are bound to each other and also to a self-bearing element, generally ac able of steel or other alloys, clad with the same material as the phase lines and which is wound in a spiral with the latter, so that it is this self-bearing element which supports the its own weight and that of the phase lines, and to which are attached the metal fittings and fasteners up to the union with the connection points.
  • Another solution usually employed in telephone or instrumentation cables, consists in extruding the cable in the form of an "8", so that the conductors are located on one part of the "8" and the self-bearing element in the other; in this manner all fastening is made on the self-bearing element and the conductors are kept free from stress.
  • the self-supporting conductor cable which the invention proposes, resolves the problems explained above in a fully satisfactory manner, constituting a new, completely effective solution which, in addition to supporting any mechanical force, ensures optimum electical conductivity, permits short-radius bends free from risk to the cable braiding, as well as being easy to mount on the retaining metal fittings.
  • the cable proposed herein is constructed on a basis of a core of steel, iron or any other material of appropriate strength, and a cylindrical, tubular sheath which surrounds said metal core, which shall be procured from any material that is a good conductor of electricity, capable of carrying the ampées for which it has been calculated, or else the leakage or short-circuit currents, even though the later is not its intended practical employment, said conductive sheath being in all cases structured on a basis of standard windings, i.e. helically wrapped but braided to each other in order to achieve the aforementioned tubular body.
  • the self-bearing conductor cable proposed through the invention is built up from a core (1), which constitutes the mechanical support of the cable as a whole and which is intended to withstand the forces resulting both from its own weight and by the electricity-conducting element (2), which, as can be observed particularly in Figure 2, forms a tubular sheath which surrounds the core (1).
  • the core (1) can be steel, iron or any other material of adequate strength, preferably flexible in nature in order to permit bending of the conductor cable as a whole, and the electrically conductive sheath (2) shall be built up from any standard arrangement of braided wire (3), i.e. wound helically, but determining a braided configuration and a circular crowning section, like for example running each of said wire braidings according to segments which in turn run in an alternating fashion in axial and transversal directions, where the transversally running segments are intercalated underneath every three consecutive conductor bundles.
  • braided wire (3) i.e. wound helically, but determining a braided configuration and a circular crowning section, like for example running each of said wire braidings according to segments which in turn run in an alternating fashion in axial and transversal directions, where the transversally running segments are intercalated underneath every three consecutive conductor bundles.

Landscapes

  • Ropes Or Cables (AREA)
  • Insulated Conductors (AREA)
EP00500102A 1999-05-26 2000-05-25 Selbsttragendes leitendes Kabel Withdrawn EP1056098A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9901133 1999-05-26
ES9901133A ES2153781B1 (es) 1999-05-26 1999-05-26 Cable conductor autoportante.

Publications (2)

Publication Number Publication Date
EP1056098A2 true EP1056098A2 (de) 2000-11-29
EP1056098A3 EP1056098A3 (de) 2001-11-28

Family

ID=8308562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00500102A Withdrawn EP1056098A3 (de) 1999-05-26 2000-05-25 Selbsttragendes leitendes Kabel

Country Status (2)

Country Link
EP (1) EP1056098A3 (de)
ES (1) ES2153781B1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999273A (en) * 1932-07-20 1935-04-30 Ohio Brass Co Conductor
US2359090A (en) * 1943-04-16 1944-09-26 American Steel & Wire Co Composite electrical conductor
US3291898A (en) * 1964-01-21 1966-12-13 Aluminum Co Of America High voltage expanded electrical conductors
GB2138199A (en) * 1983-03-09 1984-10-17 Icore Int Ltd An electrical cable
US4673775A (en) * 1986-04-07 1987-06-16 Olaf Nigol Low-loss and low-torque ACSR conductors
US5243137A (en) * 1992-06-25 1993-09-07 Southwire Company Overhead transmission conductor
DE29802041U1 (de) * 1998-02-06 1998-05-20 Sers, Albert, 94339 Leiblfing Hochleitfähiger Draht aus Stahl mit Kupferanteilen

Also Published As

Publication number Publication date
EP1056098A3 (de) 2001-11-28
ES2153781B1 (es) 2001-10-16
ES2153781A1 (es) 2001-03-01

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