(19)

(11)

EP 2 480 731 A2

(12)

(88) Date of publication A3: 16.02.2012 (43) Date of publication: 01.08.2012 Bulletin 2012/31 (21) Application number: 10757706.6 (22) Date of filing: 21.09.2010

(51) International Patent Classification (IPC):  E04C 2/04(2006.01) E04B 1/14(2006.01) (86) International application number: PCT/DK2010/050241 (87) International publication number: WO 2011/035785 (31.03.2011 Gazette 2011/13)

(84) Designated Contracting States: AL 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 (30) Priority: 24.09.2009 DK 200970125 (71) Applicant: 3 Boel A/S 7400 Herning (DK)	(72) Inventors: FRIER, Marie DK-9000 Aalborg (DK) TROELSEN, Knud Boel DK-7400 Herning (DK) TROELSEN, Peter Boel DK-7400 Herning (DK) (74) Representative: Carlsen, Bjarne et al Patentgruppen A/S Aaboulevarden 31, 4th floor 8000 Aarhus C 8000 Aarhus C (DK)