(19)

(11)

EP 2 545 241 A2

(12)

(88) Date of publication A3: 24.11.2011 (43) Date of publication: 16.01.2013 Bulletin 2013/03 (21) Application number: 11717749.3 (22) Date of filing: 14.03.2011

(51) International Patent Classification (IPC):  E06B 9/54(2006.01) (86) International application number: PCT/IB2011/051059 (87) International publication number: WO 2011/111031 (15.09.2011 Gazette 2011/37)

(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 (30) Priority: 12.03.2010 BE 201000161 (71) Applicant: Liexco S.A. 1653 Luxembourg (LU)	(72) Inventor: DRIES, Rudi B-2970 's Gravenwezel / Schilde (BE) (74) Representative: Sarlet, Steven Renaat Irène et al Gevers Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)