(19)

(11)

EP 1 442 180 A1

(12)

(43) Date of publication: 04.08.2004 Bulletin 2004/32 (21) Application number: 01983363.1 (22) Date of filing: 01.11.2001

(51) International Patent Classification (IPC)7: E04B 2/86 (86) International application number: PCT/CA2001/001554 (87) International publication number: WO 2003/038205 (08.05.2003 Gazette 2003/19)

(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 (71) Applicant: McNamara, Bernard St-Lambert,Québec J4P 2P5 (CA)	(72) Inventor: McNamara, Bernard St-Lambert,Québec J4P 2P5 (CA) (74) Representative: Rousset, Jean-Claude  Cabinet Netter36, Avenue Hoche 75008 Paris 75008 Paris (FR)