| 摘要 |
PURPOSE: A bottle cap is provided to enable a user to easily check the opened or closed state of the bottle cap visually, for preventing the forgery. CONSTITUTION: A bottle cap includes an inner cap, an outer cap, an operation plate, and an RFID tag. The inner cap(1) is installed on the opening of a bottle, and includes verifier colors and phrases for checking the opened or closed state of the bottle. The outer cap(2) is formed with a transparent material for users to see the verifier colors and phrases. The operation plate(3) rotates the inner and outer caps. The RFID tag is attached to the bottom of the operation plate, and breaks when the inner and outer caps skid.
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