(19)

(11)

EP 1 185 748 A1

(12)

(43) Date of publication: 13.03.2002 Bulletin 2002/11 (21) Application number: 00938402.5 (22) Date of filing: 09.06.2000

(51) International Patent Classification (IPC)7: E04C 2/04 (86) International application number: PCT/CA0000/697 (87) International publication number: WO 0077/317 (21.12.2000 Gazette 2000/51)

(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: 09.06.1999 CA 2274287 (71) Applicant: Brentmuir Developments (1993) Limited Weston, Ontario M9L 1Y3 (CA)	(72) Inventor: DILORENZO, Nick Woodbrige, Ontario L4L 1A6 (CA) (74) Representative: Shanks, Andrew et al Cruikshank & Fairweather,19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)