(19)

(11)

EP 0 423 185 A1

(12)

(43) Date of publication: 24.04.1991 Bulletin 1991/17 (21) Application number: 89907845.0 (22) Date of filing: 06.07.1989

(51) International Patent Classification (IPC):  B65D 33/ 36( . ) A61J 1/ 10( . ) B65D 75/ 58( . ) B65D 75/ 56( . ) A61J 1/ 05( . ) B65D 17/ 28( . ) B65D 77/ 30( . ) (86) International application number: PCT/SE1989/000394 (87) International publication number: WO 1990/000503 (25.01.1990 Gazette 1990/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 08.07.1988 SE 19880002557 (71) Applicant: AB Tetra Pak S-221 86 Lund (SE)	(72) Inventors: STENSTRÖM, Lennart Arvid S-619 00 Trosa (SE) WAHLSTRÖM, Lennart Sixten S-147 54 Tumba (SE) WIKHOLM, Bert Stefan S-146 00 Tullinge (SE) (74) Representative: Graudums, Valdis  Albihn Holmqvist AB, Box 142 S-401 22 Göteborg S-401 22 Göteborg (SE)