(19)

(11)

EP 0 782 379 A1

(12)

(43) Date of publication: 09.07.1997 Bulletin 1997/28 (21) Application number: 95931233.0 (22) Date of filing: 21.09.1995

(51) International Patent Classification (IPC):  A01B 33/ 06( . ) (86) International application number: PCT/FI1995/000517 (87) International publication number: WO 1996/008952 (28.03.1996 Gazette 1996/14)

(84) Designated Contracting States: AT CH DE FR LI SE (30) Priority: 21.09.1994 FI 19940000476U (71) Applicant: Pukarinen, Pertti 52200 Puumala (FI)	(72) Inventor: Pukarinen, Pertti 52200 Puumala (FI) (74) Representative: Helino, Timo Kalervo, et al  Papula Rein Lahtela Oy, P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)