(19)

(11)

EP 1 546 469 A1

(12)

(43) Date of publication: 29.06.2005 Bulletin 2005/26 (21) Application number: 03738867.5 (22) Date of filing: 18.07.2003

(51) International Patent Classification (IPC)7: E02D 31/00 (86) International application number: PCT/SE2003/001224 (87) International publication number: WO 2004/011729 (05.02.2004 Gazette 2004/06)

(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: 30.07.2002 SE 0202340 (71) Applicant: Hallberg, Jörgen 723 45 Västeras (SE)	(72) Inventor: Hallberg, Jörgen 723 45 Västeras (SE) (74) Representative: Reyier, Ann-Mari et al Bjerkéns Patentbyra KBBox 128 721 05 Västeras 721 05 Västeras (SE)