(19)

(11)

EP 0 471 072 A1

(12)

(43) Date of publication: 19.02.1992 Bulletin 1992/08 (21) Application number: 91914188.0 (22) Date of filing: 07.02.1991

(51) International Patent Classification (IPC):  A63F 9/ 00( . ) B65D 81/ 36( . ) (86) International application number: PCT/CA1991/000036 (87) International publication number: WO 1991/012190 (22.08.1991 Gazette 1991/19)

(84) Designated Contracting States: ES FR GB (30) Priority: 07.02.1990 CA 19902009479 (71) Applicant: THE RITVIK GROUP INC. Dorval Quebec H9P 1G2 (CA)	(72) Inventor: BERTRAND, Victor, J. Ile Bizard, Quebec H9E 1N7 (CA) (74) Representative: Long, Edward Anthony, et al  Hulse & Co. Eagle Star House, Carver Street Sheffield S1 4FP Sheffield S1 4FP (GB)