(19)

(11)

EP 0 726 984 A1

(12)

(43) Date of publication: 21.08.1996 Bulletin 1996/34 (21) Application number: 93921743.0 (22) Date of filing: 26.03.1993

(51) International Patent Classification (IPC):  E01H 4/ 02( . ) (86) International application number: PCT/FI1993/000123 (87) International publication number: WO 1993/020286 (14.10.1993 Gazette 1993/25)

(84) Designated Contracting States: AT CH DE ES FR IT LI SE (30) Priority: 27.03.1992 FI 19920000261 (71) Applicant: KEITELEEN LATUKONE OY SF-72600 Keitele (FI)	(72) Inventor: PAANANEN, Olavi SF-72600 Keitele (FI) (74) Representative: Netter, André  Cabinet NETTER, 40, rue Vignon 75009 Paris 75009 Paris (FR)