(19)

(11)

EP 1 238 172 A1

(12)

(43) Date of publication: 11.09.2002 Bulletin 2002/37 (21) Application number: 99957812.3 (22) Date of filing: 08.12.1999

(51) International Patent Classification (IPC)7: E04B 1/04, E04C 2/38 (86) International application number: PCT/CA9901/176 (87) International publication number: WO 0104/2575 (14.06.2001 Gazette 2001/24)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Brentmuir Developments (1993) Limited Weston, Ontario M9L 1Y3 (CA)	(72) Inventor: DILORENZO, Nick Weston, Ontario M9L 1Y3 (CA) (74) Representative: Modiano, Guido, Dr.-Ing. et al Modiano, Josif, Pisanty & Staub,Baaderstrasse 3 80469 München 80469 München (DE)