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(11)

EP 1 383 974 A1

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(43) Date of publication: 28.01.2004 Bulletin 2004/05 (21) Application number: 02722474.0 (22) Date of filing: 30.04.2002

(51) International Patent Classification (IPC)7: E04G 21/18, E04B 2/08 (86) International application number: PCT/GB2002/002017 (87) International publication number: WO 2002/090688 (14.11.2002 Gazette 2002/46)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 03.05.2001 GB 0110849 (71) Applicant: Hewson, K. Gateshead,Tyne & Wear, NE11 9Q (GB)	(72) Inventor: Hewson, K. Gateshead,Tyne & Wear, NE11 9Q (GB) (74) Representative: Roberts, Gwilym Vaughan et al KILBURN & STRODE,20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)