Patent ID: 8672008
Filing Date: 2014-03-18
Classification: B23K,B29C,B29D,B60C,Y10T

Abstract:
1. A tire having a visible surface comprising over a portion of the surface patterns contrasting with the rest of said surface, wherein the pattern comprises either: a plurality of tufts distributed over the entire portion of the surface comprising the pattern, having a density of at least five tufts per mm a plurality of blades distributed over the entire portion of the surface comprising the pattern, which are substantially parallel to one another and arranged to have a pitch of less than 0.5 mm, each blade having a mean width of between 0.03 mm and 0.5 mm, wherein the walls of the tufts or of the blades have, over at least one quarter of the area thereof, a mean roughness Rz of between 5 μm and 30 μm, wherein Rz is equal to: where Rzi is an individual profile height equal to the sum of the greatest projection height and the greatest depth of indentation of a profile of a surface within a respective base length Lzi, formed by dividing an evaluation length Ln into n base lengths Lz of equal length.