(19)

(11)

EP 1 448 828 A1

(12)

(43) Date of publication: 25.08.2004 Bulletin 2004/35 (21) Application number: 02787646.5 (22) Date of filing: 12.11.2002

(51) International Patent Classification (IPC)7: D04H 1/70, D04H 13/00, D04H 1/00, E04B 1/78 (86) International application number: PCT/EP2002/012615 (87) International publication number: WO 2003/042445 (22.05.2003 Gazette 2003/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 14.11.2001 EP 01309601 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventor: MERES, Oskar DK-2665 Vallensboek Strand (DK) (74) Representative: Lawrence, Peter Robin Broughton  GILL JENNINGS & EVERY,Broadgate House,7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)