(19)

(11)

EP 1 274 568 A2

(12)

(88) Date of publication A3: 28.02.2002 (43) Date of publication: 15.01.2003 Bulletin 2003/03 (21) Application number: 01923434.3 (22) Date of filing: 09.04.2001

(51) International Patent Classification (IPC)7: B32B 15/14, B32B 15/12, B62D 29/00, E04C 2/26 (86) International application number: PCT/CA0100/497 (87) International publication number: WO 0107/6864 (18.10.2001 Gazette 2001/42)

(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: 07.04.2000 US 544963 (71) Applicant: DOFASCO INC. HamiltonOntario L8N 3J5 (CA)	(72) Inventor: CLIFFORD, David, D'Arcy Caledonia, Ontario N3W 2L2 (CA) (74) Representative: W.P. Thompson & Co.  Coopers Building,Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)