(19)

(11)

EP 0 570 426 A1

(12)

(43) Date of publication: 24.11.1993 Bulletin 1993/47 (21) Application number: 92903861.0 (22) Date of filing: 04.02.1992

(51) International Patent Classification (IPC):  B65D( . ) B65D 19/ 20( . ) B65D 88/ 22( . ) B65D 19/ 38( . ) B65D 88/ 16( . ) (86) International application number: PCT/FI1992/000028 (87) International publication number: WO 1992/013781 (20.08.1992 Gazette 1992/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 04.02.1991 FI 19910000524 04.02.1992 FI 19920000481 (71) Applicant: WISAPAK OY AB SF-68601 Pietarsaari (FI)	(72) Inventors: PENTTINEN, Tapani SF-49210 Huutjärvi (FI) USKI, Osmo SF-48770 Karhula (FI) (74) Representative: Sundström, Per Olof, et al  Stenhagen Patentbyra AB P.O. Box 4630 S-116 91 Stockholm S-116 91 Stockholm (SE)