(19)

(11)

EP 2 049 755 A1

(12)

(43) Date of publication: 22.04.2009 Bulletin 2009/17 (21) Application number: 07787749.6 (22) Date of filing: 19.07.2007

(51) International Patent Classification (IPC):  E05F 1/12(2006.01) (86) International application number: PCT/EP2007/057494 (87) International publication number: WO 2008/009736 (24.01.2008 Gazette 2008/04)

(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: 19.07.2006 BE 200600397 (71) Applicant: Liexco S.A. 1653 Luxembourg (LU)	(72) Inventor: DRIES, Rudi 2970 Schilde (BE) (74) Representative: Sarlet, Steven Renaat Irène et al Gevers & Vander Haeghen Holidaystraat, 5 1831 Diegem 1831 Diegem (BE)