(19)

(11)

EP 0 571 562 A1

(12)

(43) Date of publication: 01.12.1993 Bulletin 1993/48 (21) Application number: 92914340.0 (22) Date of filing: 01.04.1992

(51) International Patent Classification (IPC):  B65D( . ) B65D 33/ 25( . ) B65D 33/ 16( . ) (86) International application number: PCT/US1992/002793 (87) International publication number: WO 1993/011051 (10.06.1993 Gazette 1993/14)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 26.11.1991 US 19910797995 (71) Applicant: HR RÜEGG AG CH-9403 Goldach (CH)	(72) Inventor: STOLMEIER, Robert C. Shelbyville, IN 46176 (US) (74) Representative: Gachnang, Hans Rudolf  Badstrasse 5 Postfach 323 CH-8501 Frauenfeld CH-8501 Frauenfeld (CH)