(19)

(11)

EP 1 718 816 A1

(12)

(43) Date of publication: 08.11.2006 Bulletin 2006/45 (21) Application number: 05708226.5 (22) Date of filing: 31.01.2005

(51) International Patent Classification (IPC):  E04C 3/02(2006.01) (86) International application number: PCT/GB2005/000332 (87) International publication number: WO 2005/073483 (11.08.2005 Gazette 2005/32)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 29.01.2004 GB 0402055 (71) Applicant: Innergoal Limited Lancashire L39 3NB (GB)	(72) Inventor: HOLME, Frederick James Ormskirk, Lancashire L39 3NB (GB) (74) Representative: Lawrence, John  Barker Brettell, 138 Hagley Road, Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)