(19)

(11)

EP 1 774 104 A1

(12)

(43) Date of publication: 18.04.2007 Bulletin 2007/16 (21) Application number: 05752016.5 (22) Date of filing: 07.06.2005

(51) International Patent Classification (IPC):  E02B 1/00(2006.01) E02B 8/08(2006.01) (86) International application number: PCT/NL2005/000409 (87) International publication number: WO 2005/124032 (29.12.2005 Gazette 2005/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 22.06.2004 NL 1026476 (71) Applicant: Witteveen & Bos Raadgevende Ingenieurs B.V. 7411 SC Deventer (NL)	(72) Inventor: MANSHANDEN, Gerardus, Augustinus, Maria NL-1671 LA Medemblik (NL) (74) Representative: 't Jong, Bastiaan Jacob et al Arnold & Siedsma Advocaten en Octrooigemachtigden Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)