(19)

(11)

EP 1 552 725 A1

(12)

(43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03738848.5 (22) Date of filing: 04.07.2003

(51) International Patent Classification (IPC)7: H05B 3/52 (86) International application number: PCT/SE2003/001179 (87) International publication number: WO 2004/006627 (15.01.2004 Gazette 2004/03)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 04.07.2002 SE 0202141 (71) Applicant: SANDVIK AKTIEBOLAG 811 81 Sandviken (SE)	(72) Inventor: SPRINGMANN, Stefan S-734 40 Hallstahammar (SE)