(19)

(11)

EP 1 349 991 A1

(12)

(43) Date of publication: 08.10.2003 Bulletin 2003/41 (21) Application number: 02711516.1 (22) Date of filing: 14.01.2002

(51) International Patent Classification (IPC)7: E04B 1/78 (86) International application number: PCT/NL0200/022 (87) International publication number: WO 0205/5801 (18.07.2002 Gazette 2002/29)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 12.01.2001 NL 1017092 (71) Applicant: Rockwool Lapinus B.V. 6045 JG Roermond (NL)	(72) Inventor: ETTEMA, Antonius, Marinus NL-6049 KV Herten (NL) (74) Representative: Eveleens Maarse, Pieter et al Arnold & SiedsmaSweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)