(19)

(11)

EP 1 083 786 A1

(12)

(43) Date of publication: 21.03.2001 Bulletin 2001/12 (21) Application number: 99930094.0 (22) Date of filing: 09.06.1999

(51) International Patent Classification (IPC)7: A01J 5/017 // A01J5:08 (86) International application number: PCT/SE9901/009 (87) International publication number: WO 9963/807 (16.12.1999 Gazette 1999/50)

(84) Designated Contracting States: DE NL SE (30) Priority: 10.06.1998 SE 9802057 (71) Applicant: ALFA LAVAL AGRI AB 147 21 Tumba (SE)	(72) Inventors: CARLBÄCK, Sture S-111 36 Stockholm (SE) HOLMERTZ, Nils-Erik S-141 51 Huddinge (SE) (74) Representative: Hammar, Ernst  Albihns Stockholm AB,Box 5581 114 85 Stockholm 114 85 Stockholm (SE)