Tamper evident closures and packages with color changing means a

Details Tamper evident closures and packages with color changing means a Tamper evident closures and packages with color changing means a

1988-12-30

1990-03-06

Pollard, Steven M.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215230, 215365, B65D 5502

Patent

active

049058517

ABSTRACT:
This invention relates to tamper evident closures and packages for indicating teh condition of the packages and particularly to caps for containers or bottles having a stretchable portion which can change color and a separable from the cap, all to provide a clear and unequivocal indicator of the condition of the container or bottle, e.g., that it has been opened or tampered with.

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patent: 4678083 (1987-07-01), Anderson

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