(19)

(11)

EP 0 069 731 A1

(12)

(43) Date of publication: 19.01.1983 Bulletin 1983/03 (21) Application number: 81901412.0 (22) Date of filing: 15.01.1981

(51) International Patent Classification (IPC):  B29C 49/ 20( . ) B65D 23/ 10( . ) B29C 49/ 54( . ) (86) International application number: PCT/US1981/000057 (87) International publication number: WO 1982/002370 (22.07.1982 Gazette 1982/18)

(84) Designated Contracting States: CH DE FR GB LI LU NL SE (71) Applicant: THOMPSON, Mortimer, Stafford Arlington, MA 02174 (US)	(72) Inventor: THOMPSON, Mortimer, Stafford Arlington, MA 02174 (US)