(19)

(11)

EP 1 855 832 A1

(12)

(43) Date of publication: 21.11.2007 Bulletin 2007/47 (21) Application number: 05769726.0 (22) Date of filing: 10.08.2005

(51) International Patent Classification (IPC):  B23K 5/10(2006.01) (86) International application number: PCT/AU2005/001196 (87) International publication number: WO 2006/089339 (31.08.2006 Gazette 2006/35)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 24.02.2005 AU 2005200826 23.06.2005 AU 2005202741 (71) Applicant: W.E. Smith Engineering Pty Ltd Via Coffs Harbour, NSW 2450 (AU)	(72) Inventor: WANT, Donald, Joseph Coffs Harbour, NSW 2441 (AU) (74) Representative: Zeuner, Stefan  Hedwigstrasse 9 80636 München 80636 München (DE)