(19)

(11)

EP 2 583 066 A1

(12)

(43) Date of publication: 24.04.2013 Bulletin 2013/17 (21) Application number: 10853563.4 (22) Date of filing: 21.06.2010

(51) International Patent Classification (IPC):  G01F 1/32(2006.01) (86) International application number: PCT/FI2010/050524 (87) International publication number: WO 2011/161298 (29.12.2011 Gazette 2011/52)

(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 (71) Applicant: Lakka, Sami 33470 Ylöjärvi (FI)	(72) Inventor: Lakka, Sami 33470 Ylöjärvi (FI) (74) Representative: Tampereen Patenttitoimisto Oy  Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)