(19)

(11)

EP 1 704 284 A1

(12)

(43) Date of publication: 27.09.2006 Bulletin 2006/39 (21) Application number: 04775373.6 (22) Date of filing: 03.09.2004

(51) International Patent Classification (IPC):  E01F 8/00(2006.01) (86) International application number: PCT/SE2004/001268 (87) International publication number: WO 2005/033412 (14.04.2005 Gazette 2005/15)

(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: 06.10.2003 SE 0302642 (71) Applicant: Z-Bloc International AB 393 63 Kalmar (SE)	(72) Inventor: GE WE, Berne S-170 68 Solna (SE) (74) Representative: Johansson Webjörn, Ingmari  Zacco Sweden AB, Box 23101 104 35 Stockholm 104 35 Stockholm (SE)