(19)

(11)

EP 2 668 340 A1

(12)

(43) Date of publication: 04.12.2013 Bulletin 2013/49 (21) Application number: 12715229.6 (22) Date of filing: 25.01.2012

(51) International Patent Classification (IPC):  E02B 3/06(2006.01) E02B 3/26(2006.01) (86) International application number: PCT/NL2012/050041 (87) International publication number: WO 2012/112032 (23.08.2012 Gazette 2012/34)

(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: 25.01.2011 NL 2006066 24.01.2012 NL 2008173 (71) Applicant: Van Hattum En Blankevoort BV 3447 GG Woerden (NL)	(72) Inventors: VAN SCHAIK, Cor NL-3447 GG Woerden (NL) KRONEMEIJER, Jos NL-3447 GG Woerden (NL) (74) Representative: Assendelft, Jacobus H.W.  Assendelfts Octrooibureau Keukenhofdreef 20 2161 AZ Lisse 2161 AZ Lisse (NL)