Container and innerseal capable of indicating heat tampering

Details Container and innerseal capable of indicating heat tampering Container and innerseal capable of indicating heat tampering

1986-11-07

1988-03-29

Norton, Donald F.

Bottles and jars

Closures

Including visual indicia

215232, 215365, 4283155, 428916, B65D 5100

Patent

active

047337869

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.

REFERENCES:
patent: 2131774 (1938-10-01), Waring
patent: 3826221 (1974-07-01), Ross
patent: 4379835 (1983-04-01), Lowrey et al.
patent: 4407443 (1983-10-01), McCorkle
patent: 4457430 (1984-07-01), Darling et al.
patent: 4459046 (1984-07-01), Spirg
patent: 4505399 (1985-03-01), Weiner
patent: 4539256 (1985-09-01), Shipman
patent: 4563415 (1986-01-01), Brown et al.
patent: 4576297 (1986-03-01), Larson
patent: 4579240 (1986-04-01), Ou-Yang

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