(19)

(11)

EP 1 744 854 A1

(12)

(43) Date of publication: 24.01.2007 Bulletin 2007/04 (21) Application number: 05736065.3 (22) Date of filing: 20.04.2005

(51) International Patent Classification (IPC):  B23K 31/02(2006.01) F16L 13/02(2006.01) B23K 33/00(2006.01) (86) International application number: PCT/SE2005/000572 (87) International publication number: WO 2005/105362 (10.11.2005 Gazette 2005/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 30.04.2004 SE 0401139 (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventor: ÖHNGREN, Claes S-752 30 Uppsala (SE)