Optical roller assembly with local optical effect patterns and local optical sheet manufacturing method
An optical effect, local technology, used in printing, rotary printing machines, printing devices, etc., can solve the problems of simultaneous pressing of vertical and horizontal gratings and optical patterns with various effects, uneven embossing, low efficiency, etc., to achieve the appearance Exquisite, low cost, cost reduction effect
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Embodiment 1
[0037] Please refer to figure 1 , figure 2 , image 3 As shown, the optical roller assembly of the partial optical effect pattern of the present invention includes a roller 1, the surface of the roller 1 is covered with a sleeve 3 with a partial optical effect pattern 2, and the sleeve 3 is formed by pressing the optical effect pattern 2 The metal plate 6 is made, preferably a nickel plate.
[0038] Please refer to Figure 4 As shown, the optical effect pattern 2 includes one or more of columnar or dot grating patterns 21 , micro-optical lens embossing patterns 22 and laser embossing patterns 23 . The grating pattern 21 includes a horizontal grating 211 and a vertical grating 212. The horizontal grating 211 and the vertical grating 212 can be distributed in the same part or in different parts. The first is that both are distributed in the same part, and the second is that both are distributed in different places, in Figure 4 Both of these can be clearly seen in . And ...
Embodiment 2
[0051] refer to Figure 5 , the difference from the embodiment is that the optical roller assembly of the partial optical effect pattern described in this embodiment includes a roller 1, and the surface of the roller 1 is covered with a template 4 with a partial optical effect pattern 2 in an adhesive manner , the template 4 is made of a nickel metal plate 6 capable of pressing the optical effect pattern 2 .
[0052] During manufacture, the two ends of the sheet metal 6 formed by the template 4 are covered and glued on the roller 1 to make it respectively. In the same way, when making plastic sheets, they are also coated and bonded to the rollers of the tablet press.
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