| 摘要 |
A container having a pull tab secured to a scored removable section. A pivot member tethers the removable section to the container top after the can is opened by pulling the tab. An indicator is provided to show that the container has been opened. The indicator is in the form of a strip adhesively attached to the top across the tear strip so that when the can is opened, the indicator is torn and one or more pieces remain in the top as an indication that the can has been opened. In addition, other forms of indicators such as chemical, may be used. The indicators can be used on the conventional can openers or on cans having other devices such as sanitary drinking portions.
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