| 摘要 |
A bottle-cap identification system includes a double or, alternatively, single layer coating applied to top and sides of a twist-top bottle cap and its appendant stationary connection ring. The double layer coating consists of an inner colored painting with stripe pattern and an outer opaque black layer. The single layer coating includes only the opaque substance and is applied directly to a cap and ring, whereby the cap and ring is either of solid color or features the genuine brand design. The black layer is composed of a polymer with weaker cohesive than adhesive bonds, which prevents the color of cap and ring from being seen through and enables its removal by scratching. Such scratching results in a marking randomly exposing the inner layer or, respectively, the cap and ring itself. The marking and its alignment on cap and ring serve as criterion for recognition and identification of the bottle.
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