(19)

(11)

EP 0 067 871 A1

(12)

(43) Date of publication: 29.12.1982 Bulletin 1982/52 (21) Application number: 82900521.0 (22) Date of filing: 28.12.1981

(51) International Patent Classification (IPC):  B65D 1/ 14( . ) B21D 22/ 20( . ) B65D 25/ 34( . ) B05D 7/ 14( . ) B21D 22/ 28( . ) (86) International application number: PCT/US1981/001749 (87) International publication number: WO 1982/002349 (22.07.1982 Gazette 1982/18)

(84) Designated Contracting States: BE DE FR GB NL (30) Priority: 31.12.1980 WO 1980US01757 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventor: SWITTEN, Jan Michel Bernard B-2580 St. Katelijne Waver (BE) (74) Representative: Abitz, Walter, Dr.-Ing., et al  Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München D-81628 München (DE)