(19)
(11)EP 0 544 402 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
27.10.1993 Bulletin 1993/43

(43)Date of publication A2:
02.06.1993 Bulletin 1993/22

(21)Application number: 92309686.1

(22)Date of filing:  22.10.1992
(51)International Patent Classification (IPC)5H01B 7/00
(84)Designated Contracting States:
CH DE FR GB IT LI NL

(30)Priority: 25.11.1991 US 797585

(71)Applicant: CHAMPLAIN CABLE CORPORATION
Winooski, Vermont 05404 (US)

(72)Inventor:
  • Aldissi, Mahmoud
    Colchester, Vermont 05446 (US)

(74)Representative: Vetter, Ewald Otto, Dipl.-Ing. et al
Patentanwaltsbüro Allgeier & Vetter Postfach 10 26 05
D-86016 Augsburg
D-86016 Augsburg (DE)


(56)References cited: : 
  
      


    (54)Wire and cable having conductive fiber core


    (57) A wire or cable comprises an inner conductive central core of one or more metal-coated fibres. The conductive core comprises aramid fibres having a silver coating of greater than 30 wt.% of the fibre, and generally several hundred weight percent thereof. The metal coating is provided in two steps: (a) a high tensile strength fibre comprising nylon, aramid, etc., is first plated with a first layer of metal such as copper, silver, etc; and then (b) electrochemically plated with a second layer of metal. The core element may comprise one or more metal coated fibres that are either straight, twisted and/or comprised of straight or twisted bundles.





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