IC TAGGED COMPOUND CONTAINER LID

摘要

A composite container lid for a packing container, which comprises an inner cap 30 fitted onto the container mouth portion 20, an over-cap 40 fitted onto the inner cap 30, and an IC tag 10, wherein an engaging means is provided between the inner surface of a skirt 42 of the over-cap 40 and the outer surface of a cylindrical wall 32 of the inner cap 30, the IC tag 10 comprises a resin film 1 that includes an IC chip 3, an antenna 5 and an unsealing detector circuit 9, and the IC tag 10 is attached to the inner cap 30 or to the over-cap 40 in a manner that the unsealing detector circuit 9 is broken by the motion of the over-cap 40 relative to the inner cap 30 caused in the step of unsealing the inner cap 30.