(19)

(11)

EP 2 220 310 A1

(12)

(43) Date of publication: 25.08.2010 Bulletin 2010/34 (21) Application number: 08806617.0 (22) Date of filing: 16.10.2008

(51) International Patent Classification (IPC):  E04H 15/18(2006.01) E04H 15/60(2006.01) E04H 15/32(2006.01) E04H 15/64(2006.01) (86) International application number: PCT/GB2008/003508 (87) International publication number: WO 2009/050467 (23.04.2009 Gazette 2009/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 16.10.2007 GB 0720106 (71) Applicant: BU Innovations Limited Bournemouth Dorset BH8 8ES (GB)	(72) Inventor: BELL, Geoffrey, Ian Dorset BH6 3SS (GB) (74) Representative: Tollett, Ian  Williams Powell Staple Court 11 Staple Inn Buildings London, WC1V 7QH Staple Court 11 Staple Inn Buildings London, WC1V 7QH (GB)