Container and innerseal capable of indicating heat tampering
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United States of America Patent
Stats
-
Mar 29, 1988
Grant Date -
N/A
app pub date -
Nov 7, 1986
filing date -
Nov 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Innerseal for bottles or other containers comprising a facing layer, an insulating layer adhered to one major surface of said facing layer, and a thermally sensitive layer adhered to said insulating layer. In a second embodiment, the innerseal comprises a facing layer and a thermally sensitive layer adhered to said facing layer. Upon application of a sufficient amount of heat to the thermally sensitive layer, said layer will change its appearance in such a way as to provide an indication of tampering by means of heat.
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