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(11)

EP 2 763 795 A1

(12)

(43) Date of publication: 13.08.2014 Bulletin 2014/33 (21) Application number: 12780303.9 (22) Date of filing: 01.10.2012

(51) International Patent Classification (IPC):  B03C 3/36(2006.01) B03C 3/12(2006.01) B03C 3/41(2006.01) B03C 3/86(2006.01) (86) International application number: PCT/NL2012/050685 (87) International publication number: WO 2013/051931 (11.04.2013 Gazette 2013/15)

(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: 06.10.2011 NL 2007548 15.05.2012 NL 2008818 (71) Applicant: Koninklijke BAM Groep N.V. 3981 AZ Bunnik (NL)	(72) Inventors: VAN NIEKERK, Roland Willibrordus NL-2411 VZ Bodegraven (NL) VERMEULEN, Jacobus Johannes Cornelis NL-2841 BL Moordrecht (NL) MARIJNISSEN, Johannes Cornelis Maria NL-4819 ED Breda (NL) ROOS, Rein Andre F-61340 Nocé (FR) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)