(19)

(11)

EP 2 064 400 A1

(12)

(43) Date of publication: 03.06.2009 Bulletin 2009/23 (21) Application number: 07815856.5 (22) Date of filing: 18.09.2007

(51) International Patent Classification (IPC):  E04H 4/10(2006.01) E04H 4/06(2006.01) (86) International application number: PCT/CA2007/001663 (87) International publication number: WO 2008/034235 (27.03.2008 Gazette 2008/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 18.09.2006 GB 0618296 (71) Applicants: St-Hilaire, Stéphane Rawdon, Québec J0K 1S0 (CA) Gendron, Sylvain St-Calixte Nord, Québec J0K 1Z0 (CA)	(72) Inventors: St-Hilaire, Stéphane Rawdon, Québec J0K 1S0 (CA) Gendron, Sylvain St-Calixte Nord, Québec J0K 1Z0 (CA) (74) Representative: Miller, James Lionel Woolverton et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)