(19)

(11)

EP 0 576 640 A1

(12)

(43) Date of publication: 05.01.1994 Bulletin 1994/01 (21) Application number: 92925020.0 (22) Date of filing: 23.10.1992

(51) International Patent Classification (IPC):  B65D 71/ 00( . ) B65D 71/ 50( . ) B65D 71/ 12( . ) (86) International application number: PCT/US1992/008995 (87) International publication number: WO 1993/008096 (29.04.1993 Gazette 1993/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL SE (30) Priority: 24.10.1991 GB 19910022536 27.11.1991 GB 19910025160 (71) Applicant: THE MEAD CORPORATION Dayton Ohio 45463 (US)	(72) Inventors: LE BRAS, Philippe F-36000 Châteauroux (FR) CHAUSSADAS, Jean F-36130 Déols (FR) (74) Representative: Hepworth, John Malcolm, et al  Hepworth Lawrence Bryer & Bizley Bloxam Court Corporation Street Rugby, Warwickshire CV21 2DU Rugby, Warwickshire CV21 2DU (GB)