(19)

(11)

EP 0 056 381 A1

(12)

(43) Date of publication: 28.07.1982 Bulletin 1982/30 (21) Application number: 81901821.0 (22) Date of filing: 01.07.1981

(51) International Patent Classification (IPC):  B65D 77/ 06( . ) (86) International application number: PCT/FI1981/000051 (87) International publication number: WO 1982/000280 (04.02.1982 Gazette 1982/04)

(84) Designated Contracting States: CH DE FR GB LI NL SE (30) Priority: 11.07.1980 FI 19800002217 (71) Applicant: UNIPALL OY SF-82200 Hammaslahti (FI)	(72) Inventor: KEKÄLÄINEN, Heikki SF-02210 Espoo 21 (FI)