(19)

(11)

EP 2 576 922 A1

(12)

(43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 11723736.2 (22) Date of filing: 25.05.2011

(51) International Patent Classification (IPC):  E02F 9/28(2006.01) (86) International application number: PCT/NL2011/050355 (87) International publication number: WO 2011/149344 (01.12.2011 Gazette 2011/48)

(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 RS SE SI SK SM TR (30) Priority: 26.05.2010 NL 2004771 (71) Applicant: IHC Holland IE B.V. 3361 EP Sliedrecht (NL)	(72) Inventor: BREKEN, Roelof NL-4207 TD Gorinchem (NL) (74) Representative: Bot, David Simon Maria  Nederlandsch Octrooibureau J.W. Frisolaan 13 2517 JS Den Haag 2517 JS Den Haag (NL)