EP 0421590 A1 19910410 - Tamper-evident container.
Title (en)
Tamper-evident container.
Title (de)
Originalitätsgesicherter Behälter.
Title (fr)
Récipient pour indiquer son ouverture non-autorisée.
Publication
Application
Priority
GB 8918541 A 19890815
Abstract (en)
Provision is made on a container to indicate whether the container has been tampered with. Release of a vacuum from within the container causes a lid (4) of the container to become convex. This causes a coating (7) on the lid to craze and therefore produce a visible change.
IPC 1-7
IPC 8 full level
B65D 43/04 (2006.01); B65D 55/02 (2006.01); B65D 79/00 (2006.01)
CPC (source: EP US)
B65D 55/026 (2013.01 - EP); B65D 79/0087 (2020.05 - EP US)
Citation (search report)
- [Y] US 4747497 A 19880531 - HOLMAN TOMMY E [US]
- [X] US 4721217 A 19880126 - PHILLIPS ROGER W [US], et al
- [X] EP 0148030 A2 19850710 - MINNESOTA MINING & MFG [US]
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0421590 A1 19910410; EP 0421590 B1 19950201; AT E117963 T1 19950215; CA 2023375 A1 19910216; CA 2023375 C 20011211; DE 69016556 D1 19950316; DE 69016556 T2 19950706; ES 2069015 T3 19950501; GB 8918541 D0 19890927
DOCDB simple family (application)
EP 90308895 A 19900813; AT 90308895 T 19900813; CA 2023375 A 19900815; DE 69016556 T 19900813; ES 90308895 T 19900813; GB 8918541 A 19890815