(19)

(11)

EP 0 119 216 A1

(12)

(43) Date of publication: 26.09.1984 Bulletin 1984/39 (21) Application number: 83902766.0 (22) Date of filing: 26.08.1983

(51) International Patent Classification (IPC):  A01J 5/ 007( . ) A01J 5/ 08( . ) (86) International application number: PCT/SE1983/000302 (87) International publication number: WO 1984/000874 (15.03.1984 Gazette 1984/07)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 30.08.1982 SE 19820004926 (71) Applicant: ALFA-LAVAL AB S-147 00 Tumba (SE)	(72) Inventors: SÖDERMAN, Lennart S-155 00 Nykvarn (SE) NORDEGREN, Sven Ake S-151 38 Södertälje (SE) (74) Representative: Lerwill, John, et al  A.A. Thornton & Co. Northumberland House 303-306 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)