(19)

(11)

EP 0 907 804 A1

(12)

(43) Date of publication: 14.04.1999 Bulletin 1999/15 (21) Application number: 97924057.0 (22) Date of filing: 02.06.1997

(51) International Patent Classification (IPC):  E02F 3/ 36( . ) E02F 9/ 22( . ) (86) International application number: PCT/FI1997/000342 (87) International publication number: WO 1997/046762 (11.12.1997 Gazette 1998/01)

(84) Designated Contracting States: DE DK ES FR GB IT SE (30) Priority: 03.06.1996 FI 19960002313 (71) Applicant: Metallikoneistamo E. Moilanen KY 87500 Kajaani (FI)	(72) Inventor: MOILANEN, Kalle, Eero FIN-87500 Kajaani (FI) (74) Representative: Heikkinen, Esko Juhani  Berggren Oy Ab P.O. Box 16 00101 Helsinki 00101 Helsinki (FI)