(19)

(11)

EP 1 137 589 A1

(12)

(43) Date of publication: 04.10.2001 Bulletin 2001/40 (21) Application number: 99960023.2 (22) Date of filing: 06.12.1999

(51) International Patent Classification (IPC)7: B67D 5/60 (86) International application number: PCT/NL9900/747 (87) International publication number: WO 0034/178 (15.06.2000 Gazette 2000/24)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.12.1998 NL 1010755 (71) Applicants: Projectmanagement P. de Lange B.V. 5988 CV Helden (NL) Waco-Liesbosch Beton B.V. 4612 PS Bergen op Zoom (NL)	(72) Inventors: VAN DEN TOL, Johan NL-4617 MK Bergen Op Zoom (NL) DE LANGE, Paulus, Johannes, Petrus NL-5981 EM Panningen (NL) (74) Representative: Van Breda, Jacobus  Octrooibureau Los & Stigter,P.O. Box 20052 1000 HB Amsterdam 1000 HB Amsterdam (NL)