(19)

(11)

EP 2 780 513 A1

(12)

(43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 12750598.0 (22) Date of filing: 24.08.2012

(51) International Patent Classification (IPC):  E03F 1/00(2006.01) D04H 1/4218(2012.01) (86) International application number: PCT/EP2012/066559 (87) International publication number: WO 2013/072082 (23.05.2013 Gazette 2013/21)

(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: 14.11.2011 EP 11188974 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventor: EMBORG, Michaeel DK-4060 Kirke Saaby (DK) (74) Representative: Lumsden, Katharine Elizabeth  Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)