EP0450271A2 - Procédé de jonctionnement d'armure - Google Patents

Procédé de jonctionnement d'armure Download PDF

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Publication number
EP0450271A2
EP0450271A2 EP91100886A EP91100886A EP0450271A2 EP 0450271 A2 EP0450271 A2 EP 0450271A2 EP 91100886 A EP91100886 A EP 91100886A EP 91100886 A EP91100886 A EP 91100886A EP 0450271 A2 EP0450271 A2 EP 0450271A2
Authority
EP
European Patent Office
Prior art keywords
armour
elements
cable
tube
joint
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
EP91100886A
Other languages
German (de)
English (en)
Other versions
EP0450271A3 (en
EP0450271B1 (fr
Inventor
Ove Elias Roald
Bjorn Pettersen
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 Norway AS
Original Assignee
Alcatel STK AS
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 Alcatel STK AS filed Critical Alcatel STK AS
Publication of EP0450271A2 publication Critical patent/EP0450271A2/fr
Publication of EP0450271A3 publication Critical patent/EP0450271A3/en
Application granted granted Critical
Publication of EP0450271B1 publication Critical patent/EP0450271B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0503—Connection between two cable ends

Definitions

  • the present invention relates to a method for replacing the armour over a cable joint.
  • the process includes the steps of making a number of pretwisted armour elements, placing the elements over the joint and clamping, welding or soldering the ends of the elements to the cable armour on both sides of the joint.
  • the armour elements required to make up the armour over a cable joint are usually made one by one by winding an armour wire over a mandrel . Difficulties are experienced in obtaining the correct diameter and length of lay. Furthermore, the process takes relatively long time. When making repairs on submarine cables the jointing process must take as short time as possible, and the main object of the invention is to improve this process.
  • Figure 1 a cable armouring line 1 having an wire armouring machine 2, the details of which are not shown.
  • a cable 3 has just been passed through the machine so that its left end is about to leave the machine to the right in the drawing.
  • the machine may provide single or double layer armour on the cable core.
  • a pipe or tube 4 of desired length and diameter is inserted into the machine 2 at its left side.
  • the elements In order to obtain a number of spiralled armour elements having the correct diameter and lay length, the elements must be wound onto a tube having a smaller diameter than that at which they were wound onto the cable core. If, as an example, the diameter of a cable core is 100 mm, the tube could have a diameter of 80 mm. If an armour layer of a cable has 32 wires, it would be practical to wind 16 wires onto a tube which is twice as long as the joint, and cut the wires to size afterwards. If the length of the joint is 5 m, the length of the tube should be 10 m.
  • the tube-supported elements must be bonded, taped or otherwise fastened to the tube at both ends, to prevent the elements from unwinding and loosening.
  • the tube may be cut into a number of required sections and both ends of the elements must be secured on the tubes.
  • the tube with the tube-supported elements may be worked, i. e. it may be bent back and forth a number of times to take the unspiralling tendency out of the elements.
  • the spiralled armouring elements of the present invention may be wound or inserted over a power cable joint in a predetermined number, one by one, after the cable core joint has been completed, but this is not considered to give the best results. In some cases it will be necessary to do it this way.
  • the wire elements which are wound onto the smaller diameter pipe or tube 4 should, preferably, and in accordance with the invention be transferred to a tube section 10, ( Figures 2 and 3) having a larger diameter than the cable core and even larger than the diameter of the armoured cable.
  • the number of spiralled wires transferred to the tube 10 in this intermediate step should correspond to the number of wires in the cable armour.
  • the tube-10-supported wire element section can then be stored until its use is required.
  • the tube 10 should be made of a (plastic) material strong enough to withstand the radial tension of the spiralled wire elements.
  • the tube section 10 itself, with spiralled armour elements 11, can then be pushed over one of the cable ends before completing the cable core joint, so that after completion of the joint, the tube-supported elements can be pushed back to cover the joint.
  • One side of the elements can then be welded to the armour elements of one of the cable ends.
  • the tube 11 can then be withdrawn from the elements 12 before welding or otherwise securing the other side of the elements to the ends of the armour of the other cable end.
  • the surface of the tube should preferably be lubricated to facilitate withdrawal of the tube from between the cable core and the armour elements.
  • the two parts may be interconnected so that the tube can be handled as one unit, but the interconnection should not be stronger than allowing one part to be torn away from the other part in the axial direction.
  • FIG. 5 is schematically illustrated a power cable joint 20, showing two cable ends 21 and 22, each having a conductor 23, 24, coned insulation 25, 26 and armour layers 27, 28.
  • an armour tube 10 or 13 which is to be pulled over the joint to complete the armour layer when the cable conductors have been jointed and the insulation replaced.
  • FIG 6 is illustrated how a tube 13 with armour wires 16 is placed over the joint.
  • the short part 15 of the tube has been separated from the long part 14 and pulled to the right so as to allow the armour element ends 30 to be joined or secured to the cable armour wires 28.
  • the long tube 14 is pulled to the left as shown in Figure 8 so that the left hand end 31 of the armour elements can be joined or secured to the cable armour wires 27.
  • the tubes 14 and 15 can be removed from the cable or they can be left on the cable joint as protection.
EP91100886A 1990-03-30 1991-01-24 Procédé de jonctionnement d'armure Expired - Lifetime EP0450271B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO901471A NO170444C (no) 1990-03-30 1990-03-30 Fremgangsmaate for aa erstatte armering over en kabelskjoet
NO901471 1990-03-30

Publications (3)

Publication Number Publication Date
EP0450271A2 true EP0450271A2 (fr) 1991-10-09
EP0450271A3 EP0450271A3 (en) 1992-08-05
EP0450271B1 EP0450271B1 (fr) 1996-04-03

Family

ID=19893038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91100886A Expired - Lifetime EP0450271B1 (fr) 1990-03-30 1991-01-24 Procédé de jonctionnement d'armure

Country Status (2)

Country Link
EP (1) EP0450271B1 (fr)
NO (1) NO170444C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021654A1 (fr) * 2000-09-07 2002-03-14 Abb Ab Procede de restauration du blindage sur un cable
WO2002021653A1 (fr) * 2000-09-07 2002-03-14 Abb Ab Procede de restauration du blindage sur un cable
EP1553675A2 (fr) * 2003-12-15 2005-07-13 Nexans Jonction de renforts pour câbles et méthode de jonction de renforts de deux câbles armés
EP3644326A1 (fr) * 2018-10-26 2020-04-29 NKT HV Cables AB Câble d'alimentation sous-marin renforcé

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE465409C (de) * 1928-09-18 Siemens Schuckertwerke Akt Ges Verfahren zur Herstellung der Bewehrung von Verbindungsstellen und eingebauten Spulenmuffen in Seekabeln
US3701080A (en) * 1971-06-02 1972-10-24 Louise M Shonka Miniature coaxial cable connector
EP0046544B1 (fr) * 1980-08-26 1983-12-14 International Standard Electric Corporation Procédé pour la connexion de câbles
EP0113053A1 (fr) * 1982-12-03 1984-07-11 LES CABLES DE LYON Société anonyme dite: Dispositif de jonction d'armures de deux câbles électriques

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE465409C (de) * 1928-09-18 Siemens Schuckertwerke Akt Ges Verfahren zur Herstellung der Bewehrung von Verbindungsstellen und eingebauten Spulenmuffen in Seekabeln
US3701080A (en) * 1971-06-02 1972-10-24 Louise M Shonka Miniature coaxial cable connector
EP0046544B1 (fr) * 1980-08-26 1983-12-14 International Standard Electric Corporation Procédé pour la connexion de câbles
EP0113053A1 (fr) * 1982-12-03 1984-07-11 LES CABLES DE LYON Société anonyme dite: Dispositif de jonction d'armures de deux câbles électriques

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021654A1 (fr) * 2000-09-07 2002-03-14 Abb Ab Procede de restauration du blindage sur un cable
WO2002021653A1 (fr) * 2000-09-07 2002-03-14 Abb Ab Procede de restauration du blindage sur un cable
NO332659B1 (no) * 2000-09-07 2012-11-26 Abb Ab Fremgangsmåte for å gjenopprette armeringen på en kabel
NO332680B1 (no) * 2000-09-07 2012-12-10 Abb Ab Fremgangsmåte for gjenoppretting av armering på en kabel
EP1553675A2 (fr) * 2003-12-15 2005-07-13 Nexans Jonction de renforts pour câbles et méthode de jonction de renforts de deux câbles armés
EP1553675A3 (fr) * 2003-12-15 2005-07-20 Nexans Jonction de renforts pour câbles et méthode de jonction de renforts de deux câbles armés
EP3644326A1 (fr) * 2018-10-26 2020-04-29 NKT HV Cables AB Câble d'alimentation sous-marin renforcé
US11232886B2 (en) 2018-10-26 2022-01-25 Nkt Hv Cables Ab Reinforced submarine power cable

Also Published As

Publication number Publication date
NO901471D0 (no) 1990-03-30
NO901471L (no) 1991-10-01
NO170444B (no) 1992-07-06
EP0450271A3 (en) 1992-08-05
EP0450271B1 (fr) 1996-04-03
NO170444C (no) 1992-10-14

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