(19)

(11)

EP 2 027 350 A1

(12)

(43) Date of publication: 25.02.2009 Bulletin 2009/09 (21) Application number: 07736113.7 (22) Date of filing: 12.06.2007

(51) International Patent Classification (IPC):  E04C 2/52(2006.01) F24D 5/10(2006.01) F24D 3/16(2006.01) (86) International application number: PCT/IE2007/000057 (87) International publication number: WO 2007/144863 (21.12.2007 Gazette 2007/51)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 13.06.2006 IE 20060443 06.03.2007 IE 20070145 (71) Applicant: Kingspan Research and Developments Limited Kingscourt, County Cavan (IE)	(72) Inventors: CAROLAN, James County Cavan (IE) FLYNN, Gregory County Louth (IE) (74) Representative: O'Brien, John Augustine et al John A. O'Brien & Associates, Third Floor, Duncairn House, 14 Carysfort Avenue Blackrock, County Dublin Blackrock, County Dublin (IE)