Double size sealing rubber cap
A kind of sealing glue, double-code technology, applied in the direction of sealing parts with auxiliary devices, lids with auxiliary devices, container decorations, etc. The effect of anti-counterfeiting
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Embodiment 1
[0023] The double-code sealing rubber cap of the present invention, as Figure 1-2 As shown, it includes a cylindrical sleeve 1 and a circular sleeve top 2 that covers one end of the sleeve 1 .
[0024] In this embodiment, the set top 2 has an adhesion layer 20, and the adhesion layer 20 adopts a single-layer plastic adhesion layer. An information two-dimensional code pattern layer 201 and a second information two-dimensional code pattern layer 202; the two-dimensional code of the first information two-dimensional code pattern layer 201 is a lottery information two-dimensional code that can only be scanned once, and the second information The two-dimensional code on the two-dimensional code pattern layer 202 is a product identification two-dimensional code with unlimited scanning times.
[0025] In this embodiment, the first information two-dimensional code pattern layer 201 and the second information two-dimensional code pattern layer 202 are respectively attached to the inn...
Embodiment 2
[0028] like figure 1 , 3 As shown, the difference between the present embodiment and the first embodiment is that the set top 2 also includes a transparent support layer 23, and the transparent support layer 23 is compounded on the inner side of the adhesion layer 20 to support the adhesion layer 20 so that it is not easily deformed. It can make the cover 2 have a more rigid appearance and keep the appearance of the product beautiful. On the other hand, it can further prevent the laser-marked two-dimensional code pattern from being damaged due to the deformation of the adhesion layer 20 . As a preference, the transparent support layer 23 may use a transparent plastic spacer.
[0029] In this embodiment, as a preference, a transparent protective layer can also be compounded on the outside of the adhesion layer 20 to protect the adhesion layer 20 .
Embodiment 3
[0031] like figure 1 , 4 As shown, the difference between this embodiment and Embodiment 1 is that the adhesion layer of the set top 2 adopts a double-layer structure, that is, the adhesion layer includes an adhesion inner layer 21 and an adhesion outer layer 22 that are combined together, and the first information two-dimensional code The pattern layer 201 is attached to the inner surface of the inner attachment layer 21 by laser marking, and the second information two-dimensional code pattern layer 202 is attached to the outer surface of the outer attachment layer 22 by laser marking. As a preference, the outer adhesion layer 22 adopts an aluminum foil adhesion layer, and the inner adhesion layer 21 adopts a plastic adhesion layer.
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