LID OF PACKAGING CONTAINER AND CROWN CAP SEALER OF PACKAGING CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a lid, a crown cap and a crown cap sealer of a packaging container wherein the state of the cap can be visually recognized even in the darkness or in a dark place. SOLUTION: The crown cap 7 comprising a metallic member comprises a lid body 3 having a cracking claw 1 on a side wherein the split claw 1 is opened by pressing a top plate 2 to be recessed while the split claw 1 is closed by restoring the top plate 2 while a mark 6 is printed by stimulable ink 5 containing stimulable phosphor 4 as a base on a surface of the top plate 2 of the lid body 3. The stimulable phosphor emits light which has been accumulated under brightness to clearly light in the darkness or in a dark place.