(19)

(11)

EP 1 292 742 A1

(12)

(43) Date of publication: 19.03.2003 Bulletin 2003/12 (21) Application number: 01945467.7 (22) Date of filing: 22.06.2001

(51) International Patent Classification (IPC)7: E04F 15/024, E01C 5/08, E04C 2/06 (86) International application number: PCT/GB0102/798 (87) International publication number: WO 0109/8602 (27.12.2001 Gazette 2001/52)

(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: 23.06.2000 GB 0015491 (71) Applicant: Kemp, Michael Barrie Chelmsford,Essex CM1 2UA (GB)	(72) Inventor: Kemp, Michael Barrie Chelmsford,Essex CM1 2UA (GB) (74) Representative: Harland, Linda Jane  c/o Reddie & Grose16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)