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(11)

EP 1 668 199 A1

(12)

(43) Date of publication: 14.06.2006 Bulletin 2006/24 (21) Application number: 04762787.2 (22) Date of filing: 25.08.2004

(51) International Patent Classification (IPC):  E04B 1/41(1968.09) E04B 1/76(1968.09) (86) International application number: PCT/DK2004/000566 (87) International publication number: WO 2005/021883 (10.03.2005 Gazette 2005/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: HR LT LV (30) Priority: 29.08.2003 EP 03077723 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventors: HOLM, David, Overton 2750 Ballerup (DK) PEETERS, Roger 6093 DG Heythuysen (NL) (74) Representative: Elmeros, Claus  Elmeros Patents ApS Toldbodgade 31, 5 1253 Copenhagen K 1253 Copenhagen K (DK)