(19)

(11)

EP 0 888 042 A1

(12)

(43) Date of publication: 07.01.1999 Bulletin 1999/01 (21) Application number: 97909751.0 (22) Date of filing: 20.10.1997

(51) International Patent Classification (IPC):  A01B 29/ 06( . ) A01B 59/ 048( . ) A01B 49/ 06( . ) A01C 5/ 06( . ) (86) International application number: PCT/NL1997/000585 (87) International publication number: WO 1998/018309 (07.05.1998 Gazette 1998/18)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 25.10.1996 NL 19961004361 16.01.1997 NL 19971005026 (71) Applicant: MAASLAND N.V. 3155 PD Maasland (NL)	(72) Inventors: BOM, Cornelis, Johannes, Gerardus NL-3181 VC Rozenburg (NL) BRABANDER, Adrianus, Petrus, Maria NL-2295 LL Kwintsheul (NL) (74) Representative: Mulder, Herman, et al  Octrooibureau Van der Lely N.V. Weverskade 10 3155 PD Maasland 3155 PD Maasland (NL)