EP 0104548 B1 19870603 - CONTAINER CLOSURE WITH AN OPENING DEVICE
Title (en)
CONTAINER CLOSURE WITH AN OPENING DEVICE
Publication
Application
Priority
DE 3235167 A 19820923
Abstract (en)
[origin: US4533063A] A lid for a packaging container which include a tear-open part which is surrounded by a weakened line. The lid is molded of a composite material, which has an outer carrier layer of plastic, a middle barrier layer of metal foil and an inner heat-sealing layer of a thermoplastic synthetic material. The weakened line is produced as an indentation in the outer carrier layer by being heat-impressed using a heated tool.
IPC 1-7
IPC 8 full level
B29C 59/02 (2006.01); B32B 1/04 (2006.01); B32B 3/02 (2006.01); B65D 3/22 (2006.01); B65D 17/28 (2006.01); B65D 41/32 (2006.01); B65D 41/48 (2006.01)
CPC (source: EP US)
B65D 3/22 (2013.01 - EP US); B65D 17/401 (2017.12 - EP US); B65D 17/4011 (2017.12 - EP US); B65D 17/4012 (2017.12 - EP US); B65D 2517/0088 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB SE
DOCDB simple family (publication)
EP 0104548 A2 19840404; EP 0104548 A3 19850703; EP 0104548 B1 19870603; DE 3235167 A1 19840329; DE 3371895 D1 19870709; JP S5978841 A 19840507; US 4533063 A 19850806
DOCDB simple family (application)
EP 83109099 A 19830915; DE 3235167 A 19820923; DE 3371895 T 19830915; JP 17446683 A 19830922; US 53445583 A 19830921