System and method for designing and creating a printing plate
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United States of America Patent
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Jul 4, 2023
Grant Date -
Dec 2, 2021
app pub date -
Nov 16, 2020
filing date -
May 26, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A method for designing a printing plate for mounting on a printing cylinder. An optimal lateral seam path is defined between opposite lateral edges of the plate by applying an energy minimization function. Top and bottom edges of the plate are defined based upon the optimal lateral seam path, preferably with a variable gap therebetween, and the bottom edge is unwrapped from the top edge to define a closed cutting path. The area inside the closed cutting path is wrapped with artwork or portions thereof, and an updated digital graphics file stored. The energy minimization function may include a penalty function, overall seam path length, and seam path amplitude, with weighting factors. For artwork including staggered lanes of step and repeat one-up images, the optimal lateral seam path may extend across each lane through one-up images, steps between adjacent one-up images, or a combination thereof.
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