(19)

(11)

EP 2 147 163 A1

(12)

(43) Date of publication: 27.01.2010 Bulletin 2010/04 (21) Application number: 08741612.9 (22) Date of filing: 15.04.2008

(51) International Patent Classification (IPC):  E02F 3/96(2006.01) E02F 3/40(2006.01) (86) International application number: PCT/NL2008/000103 (87) International publication number: WO 2008/130222 (30.10.2008 Gazette 2008/44)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 18.04.2007 NL 1033709 (71) Applicant: Rotar International B.V. 8281 JW Genemuiden (NL)	(72) Inventor: DE GRAAF, Remco, Rommert 7688 PX Daarle (NL) (74) Representative: Dokter, Hendrik Daniel  Octrooibureau Dokter, P.O. Box 657 7300 AR Apeldoorn 7300 AR Apeldoorn (NL)