(19)
(11) EP 2 026 629 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.05.2011 Bulletin 2011/19

(43) Date of publication A2:
18.02.2009 Bulletin 2009/08

(21) Application number: 08161899.3

(22) Date of filing: 06.08.2008
(51) International Patent Classification (IPC): 
H05B 3/56(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 11.08.2007 GB 0716201

(71) Applicant: Thermocable (Flexible Elements) Limited
Bradford, West Yorkshire BD14 6LU (GB)

(72) Inventors:
  • Rayner, Andrew
    Clayton, Bradford BD14 6LU (GB)
  • Daniels, Michael
    Clayton, Bradford, BD14 6LU (GB)

(74) Representative: Gover, Richard Paul 
Urquhart-Dykes & Lord LLP Tower North Central Merrion Way
Leeds LS2 8PA
Leeds LS2 8PA (GB)

   


(54) Heating cable


(57) A heating cable (10) and a method of manufacturing a heating cable (10). The heating cable (10) comprises at least one conductor (12a,12b) extending along the cable (10), a conductive shield extending along the cable (10), and surrounding said at least one conductor (12a,12b); and at least one insulating separation layer (14a,14b) separating the conductive shield from said at least one conductor (12a,12b). At least a portion of said conductive shield comprises a shielding conductor (16) extending in a spiral around said at least one conductor (12a,12b), the spiral comprising a plurality of turns (16a-e), each turn (16a-e) being physically separated from a corresponding portion of an adjacent turn (16a-e).







Search report