(19)

(11)

EP 1 155 203 A1

(12)

(43) Date of publication: 21.11.2001 Bulletin 2001/47 (21) Application number: 00903827.4 (22) Date of filing: 15.02.2000

(51) International Patent Classification (IPC)7: E04C 3/08 (86) International application number: PCT/GB0000/506 (87) International publication number: WO 0050/705 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.02.1999 GB 9904328 (71) Applicant: Severfield-Rowen PLC Thirsk,North Yorkshire YO7 3JN (GB)	(72) Inventor: SEVERS, JohnDalton Airfield Industrial Estate Thirsk,North Yorkshire YO7 3JN (GB) (74) Representative: Leach, John Nigel et al FORRESTER & BOEHMERTPettenkoferstrasse 20-22 80336 München 80336 München (DE)