(19)

(11)

EP 2 315 884 A1

(12)

(43) Date of publication: 04.05.2011 Bulletin 2011/18 (21) Application number: 08773317.6 (22) Date of filing: 21.07.2008

(51) International Patent Classification (IPC):  E04D 13/03(2006.01) (86) International application number: PCT/DK2008/050181 (87) International publication number: WO 2010/009727 (28.01.2010 Gazette 2010/04)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (71) Applicant: VKR Holding A/S 2970 Hørsholm (DK)	(72) Inventor: ANDERSEN, Lasse DK-8270 Højbjerg (DK) (74) Representative: Rohde, Vibeke Warberg et al Awapatent A/S Rigensgade 11 1316 Copenhagen K 1316 Copenhagen K (DK)