(19)

(11)

EP 2 331 772 A1

(12)

(43) Date of publication: 15.06.2011 Bulletin 2011/24 (21) Application number: 09812559.4 (22) Date of filing: 07.08.2009

(51) International Patent Classification (IPC):  E04H 3/12(2006.01) F16S 1/02(2006.01) A47C 1/12(2006.01) F16S 3/00(2006.01) (86) International application number: PCT/CA2009/001112 (87) International publication number: WO 2010/028476 (18.03.2010 Gazette 2010/11)

(84) Designated Contracting States: 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 Designated Extension States: AL BA RS (30) Priority: 10.09.2008 US 95656 P (71) Applicant: Groupe Canam Inc. Boucherville, QC J4B 5X9 (CA)	(72) Inventor: VINCENT, Richard Westmount, QC H3Y 2R9 (CA) (74) Representative: Kling, Simone  Lavoix Munich Bayerstrasse 85a 80335 München 80335 München (DE)