Tire comprising a high contrast pattern comprising a plurality of cavities
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United States of America Patent
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Oct 23, 2018
Grant Date -
Sep 3, 2015
app pub date -
Sep 10, 2013
filing date -
Sep 12, 2012
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Abstract
A tire made of rubbery material comprising a sidewall and a pattern formed on this sidewall. This pattern comprises a plurality of openings and intermediate zones separating these openings. In order for the pattern to contrast with the sidewall, the openings occupy at least 60% of the pattern, these openings being distributed through the pattern at a density at least equal to five openings per square millimeter (mm2), these openings having equivalent diameters of between 0.03 mm and 0.5 mm. A mold element for making the openings and and method of making the pattern using a laser.
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