(19)

(11)

EP 2 247 173 A1

(12)

(43) Date of publication: 10.11.2010 Bulletin 2010/45 (21) Application number: 09717114.4 (22) Date of filing: 02.03.2009

(51) International Patent Classification (IPC):  A01C 7/06(2006.01) A01C 7/20(2006.01) A01C 15/04(2006.01) (86) International application number: PCT/SE2009/050225 (87) International publication number: WO 2009/110845 (11.09.2009 Gazette 2009/37)

(84) Designated Contracting States: 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 TR Designated Extension States: AL BA RS (30) Priority: 03.03.2008 SE 0800505 (71) Applicant: Väderstad-Verken AB 590 21 Väderstad (SE)	(72) Inventor: STARK, Crister S-590 21 Väderstad (SE) (74) Representative: Lettström, Richard Wilhelm  c/o NellPat Patron Carls väg 2 683 40 Uddeholm 683 40 Uddeholm (SE)