(19)

(11)

EP 0 409 904 A1

(12)

(43) Date of publication: 30.01.1991 Bulletin 1991/05 (21) Application number: 89906122.0 (22) Date of filing: 24.05.1989

(51) International Patent Classification (IPC):  B65D 88/ 72( . ) B65G 69/ 06( . ) (86) International application number: PCT/FI1989/000096 (87) International publication number: WO 1989/011378 (30.11.1989 Gazette 1989/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 25.05.1988 FI 19880002470 (71) Applicant: OY PARTEK AB SF-21600 Pargas (FI)	(72) Inventor: BJÖRKLUND, Jan-Peter SF-21600 Pargas (FI) (74) Representative: Belcher, Simon James, et al  Urquhart-Dykes & Lord Tower House Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)