(19)

(11)

EP 1 678 398 A1

(12)

(43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04775016.1 (22) Date of filing: 14.10.2004

(51) International Patent Classification (IPC):  E04G 21/32(1968.09) (86) International application number: PCT/NL2004/000722 (87) International publication number: WO 2005/035907 (21.04.2005 Gazette 2005/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 14.10.2003 NL 1024535 (71) Applicant: DAKTARI V.O.F. 3707 TB Zeist (NL)	(72) Inventor: BORRA, Hans, Antonius NL-3707 TB Zeist (NL) (74) Representative: van Westenbrugge, Andries  Nederlandsch Octrooibureau Postbus 29720 2502 LS Den Haag 2502 LS Den Haag (NL)