(19)

(11)

EP 1 641 989 A1

(12)

(43) Date of publication: 05.04.2006 Bulletin 2006/14 (21) Application number: 04735608.4 (22) Date of filing: 01.06.2004

(51) International Patent Classification (IPC):  E04G 21/18(1968.09) (86) International application number: PCT/GB2004/002300 (87) International publication number: WO 2004/109040 (16.12.2004 Gazette 2004/51)

(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 (30) Priority: 05.06.2003 GB 0312949 29.01.2004 GB 0401952 (71) Applicant: Brikmat Holdings Limited Tyne & Wear NE11 9LQ (GB)	(72) Inventor: HEWSON, Kevin Gateshead Tyne & Wear NE11 9LQ (GB) (74) Representative: Roberts, Gwilym Vaughan et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)