(19)

(11)

EP 0 231 182 A1

(12)

(43) Date of publication: 12.08.1987 Bulletin 1987/33 (21) Application number: 85905001.0 (22) Date of filing: 24.09.1985

(51) International Patent Classification (IPC):  A01K 5/ 02( . ) (86) International application number: PCT/SE1985/000365 (87) International publication number: WO 1986/001977 (10.04.1986 Gazette 1986/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 28.09.1984 SE 19840004855 (71) Applicant: ALFA-LAVAL AGRI INTERNATIONAL AB S-147 00 Tumba (SE)	(72) Inventors: CLAUS, Juergen D-2300 Kiel (DE) BOETTGER, Frank D-2300 Kiel (DE) KALM, Ernst D-2501 Achterwehr (DE)