(19)

(11)

EP 1 144 761 A1

(12)

(43) Date of publication: 17.10.2001 Bulletin 2001/42 (21) Application number: 99965630.9 (22) Date of filing: 08.12.1999

(51) International Patent Classification (IPC)7: E01F 15/00 (86) International application number: PCT/SE9902/295 (87) International publication number: WO 0040/804 (13.07.2000 Gazette 2000/28)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.12.1998 SE 9804553 (71) Applicant: Welandsson, Anders 333 91 Smalandsstenar (SE)	(72) Inventor: Welandsson, Anders 333 91 Smalandsstenar (SE) (74) Representative: Wallengren, Yngvar et al Patentbyran Y Wallengren ABBox 116 331 21 Värnamo 331 21 Värnamo (SE)