PRINTING STEEL PLATE HAVING STRESS DISPERSION STRUCTURE
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United States of America Patent
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Issued Date -
Dec 10, 2015
app pub date -
Jun 2, 2015
filing date -
Jun 10, 2014
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Abstract
A printing steel plate having a stress dispersion structure. Along a printing direction, at least one stress dispersion structure is additionally arranged on each of two sides adjacent to a plurality of blanking holes arranged into a pattern of a printed subject on the printing steel plate, the stress dispersion structure is formed by a plurality of stress buffer holes, and the stress buffer holes are visible holes that cannot be penetrated by ink on the printing steel plate. The stress buffer holes are used to disperse a deformation phenomenon of structures of peripheral blanking holes of the formed pattern on the printing steel plate caused by the pulling of stress, which effectively restrains the deformation of the structures of the peripheral blanking holes of the pattern
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