(19)

(11)

EP 2 005 046 A1

(12)

(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07730658.7 (22) Date of filing: 28.03.2007

(51) International Patent Classification (IPC):  F16K 31/06(2006.01) F16F 9/46(2006.01) (86) International application number: PCT/FI2007/050171 (87) International publication number: WO 2007/110487 (04.10.2007 Gazette 2007/40)

(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 (30) Priority: 28.03.2006 FI 20065204 (71) Applicant: Kenttaviiva oy Automaatio FI-20780 Kaarina (FI)	(72) Inventors: LEHTO, Tony FI-12240 Hikiä (FI) YLI-ALHO, Jani FI-20780 Kaarina (FI) (74) Representative: Rahkonen, Erkki Juhani et al Tampereen Patenttitoimisto Oy Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)