(19)

(11)

EP 1 402 119 A1

(12)

(43) Date of publication: 31.03.2004 Bulletin 2004/14 (21) Application number: 02724355.9 (22) Date of filing: 22.05.2002

(51) International Patent Classification (IPC)7: E02D 27/52, E02D 29/09, E02B 17/00, E02D 23/00 (86) International application number: PCT/FI2002/000442 (87) International publication number: WO 2002/095139 (28.11.2002 Gazette 2002/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.05.2001 FI 20011074 (71) Applicant: Eranti, Esa 02700 Kauniainen (FI)	(72) Inventor: Eranti, Esa 02700 Kauniainen (FI) (74) Representative: Pelin, Torolf  Berggren Oy Ab,P.O. Box 16 00101 Helsinki 00101 Helsinki (FI)