(19)

(11)

EP 2 729 625 A1

(12)

(43) Date of publication: 14.05.2014 Bulletin 2014/20 (21) Application number: 12732517.3 (22) Date of filing: 29.06.2012

(51) International Patent Classification (IPC):  E02D 27/02(2006.01) E04B 1/00(2006.01) (86) International application number: PCT/DK2012/050232 (87) International publication number: WO 2013/004237 (10.01.2013 Gazette 2013/02)

(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 RS SE SI SK SM TR (30) Priority: 07.07.2011 EP 11173100 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventors: HANSEN, Lars Erik DK-2860 Søborg (DK) ANDREASEN, Ole DK-3520 Farum (DK) (74) Representative: Rohde, Vibeke Warberg et al Awapatent A/S Rigensgade 11 1316 Copenhagen K 1316 Copenhagen K (DK)