(19)

(11)

EP 2 438 390 A1

(12)

(43) Date of publication: 11.04.2012 Bulletin 2012/15 (21) Application number: 10732746.2 (22) Date of filing: 07.06.2010

(51) International Patent Classification (IPC):  G01B 5/28(2006.01) G01B 11/30(2006.01) G01B 7/34(2006.01) G01C 7/04(2006.01) (86) International application number: PCT/IB2010/052519 (87) International publication number: WO 2010/140142 (09.12.2010 Gazette 2010/49)

(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 (30) Priority: 05.06.2009 BE 200900347 (71) Applicant: Alphaplan International 2235 Hulshout (BE)	(72) Inventor: VOET, Hans B-2235 Hulshout (BE) (74) Representative: Duyver, Jurgen Martha Herman et al Gevers Patents Holidaystraat 5 1831 Diegem 1831 Diegem (BE)