(19)

(11)

EP 0 528 960 A1

(12)

(43) Date of publication: 03.03.1993 Bulletin 1993/09 (21) Application number: 91910178.0 (22) Date of filing: 20.05.1991

(51) International Patent Classification (IPC):  B65D 65/ 46( . ) B65D 81/ 09( . ) (86) International application number: PCT/US1991/003519 (87) International publication number: WO 1991/017932 (28.11.1991 Gazette 1991/27)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 22.05.1990 US 19900526824 (71) Applicant: EARTHRIGHT PACKAGING PRODUCTS, INC. Norwich, VT 05055 (US)	(72) Inventors: BAKER, Roger, J. Bowmanville, Ontario L1E 1N4 (CA) PTASHNIK, Ben-Zion Norwich, VT 05055 (US) (74) Representative: Colgan, Stephen James  CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)