(19)

(11)

EP 1 629 693 A1

(12)

(43) Date of publication: 01.03.2006 Bulletin 2006/09 (21) Application number: 04735432.9 (22) Date of filing: 28.05.2004

(51) International Patent Classification (IPC):  H05B 3/26(1968.09) H05B 3/64(1968.09) (86) International application number: PCT/SE2004/000830 (87) International publication number: WO 2004/110101 (16.12.2004 Gazette 2004/51)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 04.06.2003 SE 0301621 (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: BRUNNSTEDT, Tommy S-734 35 Hallstahammar (SE) ERIKSSON, Emil S-722 15 Väster s (SE) (74) Representative: Örtenblad, Bertil Tore et al Noréns Patentbyra AB P.O. Box 10198 100 55 Stockholm 100 55 Stockholm (SE)