(19)

(11)

EP 2 307 628 A1

(12)

(43) Date of publication: 13.04.2011 Bulletin 2011/15 (21) Application number: 09773019.6 (22) Date of filing: 03.07.2009

(51) International Patent Classification (IPC):  E04B 2/74(2006.01) E04F 13/08(2006.01) (86) International application number: PCT/IB2009/052899 (87) International publication number: WO 2010/001359 (07.01.2010 Gazette 2010/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 04.07.2008 DK 200800943 (71) Applicant: Kvadrat A/S 8400 Ebeltoft (DK)	(72) Inventors: BOUROULLEC, Ronan F-95010 Paris (FR) BOUROULLEC, Erwan F-75011 Paris (FR) (74) Representative: Nielsen, Henrik Sten et al Budde Schou A/S Vester Søgade 10 1601 Copenhagen V 1601 Copenhagen V (DK)