(19)

(11)

EP 1 606 473 A1

(12)

(43) Date of publication: 21.12.2005 Bulletin 2005/51 (21) Application number: 04722935.6 (22) Date of filing: 24.03.2004

(51) International Patent Classification (IPC)7: E04F 15/024 (86) International application number: PCT/IE2004/000039 (87) International publication number: WO 2004/085764 (07.10.2004 Gazette 2004/41)

(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: AL LT LV MK (30) Priority: 24.03.2003 IE 20030217 (71) Applicant: Kingspan Holdings (IRL) Limited Kingscourt (County Cavan) (IE)	(72) Inventor: MEANWELL, Keith Hull HU4 7AB (GB) (74) Representative: O'Brien, John Augustine et al John A. O'Brien & Associates, Third Floor, Duncairn House, 14 Carysfort Avenue Blackrock, Co Dublin Blackrock, Co Dublin (IE)