(19)

(11)

EP 2 576 944 A1

(12)

(43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 10852292.1 (22) Date of filing: 25.05.2010

(51) International Patent Classification (IPC):  E04H 15/36(2006.01) E04H 15/48(2006.01) (86) International application number: PCT/US2010/036022 (87) International publication number: WO 2011/149452 (01.12.2011 Gazette 2011/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Gallinger, GF Colorado Springs, Colorado 80920 (US)	(72) Inventor: DEFOSSES, Rene, Claude Airdrie Alberta T4A 1X1 (CA) (74) Representative: Chaillot, Geneviève et al Cabinet Chaillot 16-20 Avenue de l'Agent Sarre B.P. 74 92703 Colombes Cedex 92703 Colombes Cedex (FR)