(19)

(11)

EP 0 169 875 A1

(12)

(43) Date of publication: 05.02.1986 Bulletin 1986/06 (21) Application number: 85900787.0 (22) Date of filing: 11.01.1985

(51) International Patent Classification (IPC):  A01J 5/ 04( . ) A01J 7/ 00( . ) (86) International application number: PCT/SE1985/000007 (87) International publication number: WO 1985/003196 (01.08.1985 Gazette 1985/17)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 18.01.1984 SE 19840000218 (71) Applicant: ALFA-LAVAL AGRI INTERNATIONAL AB S-147 00 Tumba (SE)	(72) Inventor: MÄEHANS, Väino S-151 52 Södertälje (SE) (74) Representative: Simpson, Ronald Duncan Innes, et al  A.A.Thornton & Co. Northumberland House 303-306 High Holborn London WCIV 7LE London WCIV 7LE (GB)