Special receptacle or package – With indicator
Patent
1987-02-05
1988-12-27
Marcus, Stephen
Special receptacle or package
With indicator
116201, 116202, 340641, 422 56, G01N 2178, B65D 5502
Patent
active
047934891
ABSTRACT:
A tamper resistant package has an inaccessible aerobic atmosphere indicator in the form of an incandescent filament. Specifically, the package comprises a container having an access opening, a first interior compartment for product storage exposed to the access opening, a second interior compartment isolated from the opening, and a lid adapted to seal the access opening. An aerobic atmosphere indicator is disposed in the second compartment. The response of the indicator is transmitted to the exterior of the container. Gas flow is permitted from the first compartment to the second compartment without permitting removal of the indicator from the second compartment. As a result, the indicator is protected from tampering in the event the seal is broken and the lid is opened.
A product for human consumption and the indicator are placed in the package. Thereafter, the package is atmospherically evacuated and sealed. Pending use of the product, the resulting package is then stored. Thereafter, the indicator is activated by electric current to determine whether the interior of the package has been violated during storage. If the package tests negative, the container is opened and the product is removed for consumption.
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