ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMK..AL..............................RDIM360 (Ver 1.5 21 Nov 2005) - 1100000/00858245EUROPEAN PATENT APPLICATIONA319980923EP97120264.319971119enenen970530 19970206NO19980923199839199808121998336 6H 05B 3/56 A 6H 01R 4/18 BdeHeitzleiterverbindungsstückenConnection for heating cablefrJonction pour câble de chauffageNONEALCATEL ALSTHOM COMPAGNIE GENERALE D'ELECTRICITE00201874128,009 OS MdALSTHOM COMPAGNIE GENERALE D'ELECTRICITE, ALCATELD'ELECTRICITE, ALCATEL ALSTHOM COMPAGNIE GENERALE54, rue La Boétie75008 ParisFRBirkeland, Tom HaraldSvalevegen 21929 AuliNOAsper, KareLokkeveien 31472 FjellhamarNOJonli, Odd MagneGina Krogsv 5A1153 OsloNOMende, Eberhard, Dipl.-Ing.00044509Alcatel Alsthom, Intellectual Property Department, Kabelkamp 2030179 HannoverDEATBECHDEDKESFIFRGBGRIEITLILUMCNLPTSEALLTLVMKROSI19980923199839

The present invention relates to electrical heating cables and in particular to provision of an improved heating cable conductor joint, - prior to application of common outer sheaths over the conductors and the joints. Such joint includes butt-jointing end portions of two electrical conductors having different diameters, in particular for jointing a heating cable resistance conductor to a cold end copper conductor and vice versa.

The invention includes reducing the diameter of the end portion (3) of the larger conductor (2) before abutting the ends (1,3) of the two conductors and jointing the two conductor ends. The diameter should be reduced so that the diameter over a crimp jointing element (4) crimped over the conductor ends does not exceed the diameter of the larger conductor.