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(11)

EP 1 604 078 A1

(12)

(43) Date of publication: 14.12.2005 Bulletin 2005/50 (21) Application number: 04718776.0 (22) Date of filing: 09.03.2004

(51) International Patent Classification (IPC)7: E04F 15/02 (86) International application number: PCT/SE2004/000335 (87) International publication number: WO 2004/083557 (30.09.2004 Gazette 2004/40)

(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 Designated Extension States: AL LT LV MK (30) Priority: 18.03.2003 SE 0300741 (71) Applicant: Pergo (Europe) AB 231 25 Trelleborg (SE)	(72) Inventor: WERNERSSON, Hakan S-226 55 Lund (SE) (74) Representative: HOFFMANN EITLE  Patent- und Rechtsanwälte Arabellastrasse 4 D-81925 München D-81925 München (DE)