(19)

(11)

EP 0 047 768 A1

(12)

(43) Date of publication: 24.03.1982 Bulletin 1982/12 (21) Application number: 81900733.0 (22) Date of filing: 19.03.1981

(51) International Patent Classification (IPC):  B65D 88/ 12( . ) B65D 88/ 52( . ) (86) International application number: PCT/FI1981/000021 (87) International publication number: WO 1981/002719 (01.10.1981 Gazette 1981/23)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 21.03.1980 FI 19800000898 (71) Applicant: OY PPTH-NORDEN AB SF-61100 Peräseinäjoki (FI)	(72) Inventor: JÄRVINEN, Pekka SF-60100 Seinäjoki 10 (FI)