(19)

(11)

EP 2 446 185 A1

(12)

(43) Date of publication: 02.05.2012 Bulletin 2012/18 (21) Application number: 10730567.4 (22) Date of filing: 21.06.2010

(51) International Patent Classification (IPC):  F17C 5/02(2006.01) F17C 9/00(2006.01) (86) International application number: PCT/NL2010/050381 (87) International publication number: WO 2010/151118 (29.12.2010 Gazette 2010/52)

(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 SE SI SK SM TR (30) Priority: 25.06.2009 WO PCT/NL2009/050374 (71) Applicant: Ballast Nedam International Product Management B.v 4143 HM Leerdam (NL)	(72) Inventors: REMIE, Pieter Anton NL-5443 PD Haps (NL) DAM, Jacques Adrianus Maria NL-2614 ZS Delft (NL) (74) Representative: Haan, Raimond  Arnold & Siedsma Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)