(19)

(11)

EP 3 068 961 A1

(12)

(43) Date of publication: 21.09.2016 Bulletin 2016/38 (21) Application number: 14862933.0 (22) Date of filing: 24.10.2014

(51) International Patent Classification (IPC):  E04F 15/10(2006.01) B29C 47/00(2006.01) (86) International application number: PCT/CA2014/051035 (87) International publication number: WO 2015/070342 (21.05.2015 Gazette 2015/20)

(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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 14.11.2013 US 201361904215 P 25.06.2014 CA 2854945 (71) Applicant: Sigma Dek Ltd. Calgary, Alberta T3G 0B4 (CA)	(72) Inventors: WEBER, Tory Calgary, Alberta T3G 0B4 (CA) BOETTGER, Brian Calgary, Alberta T3H 0B4 (CA) LACHEVROTIERE, Stephan Quebec, Québec G1K 3H4 (CA) PARENTEAU, Francois Quebec, Québec G1K 3H4 (CA) (74) Representative: Franke, Dirk  Franke & Partner Intellectual Property Law Firm European Patent Attorneys Widenmayerstrasse 25 80538 Munich 80538 Munich (DE)