A tyre tread (1) for a heavy goods vehicle tyre, comprising a new running surface (10) intended to come into contact with a road surface when a tyre provided with this tread is running, said tyre tread (1) comprising a plurality of optimised incisions (2) opening onto the new running surface (10), each optimised incision (2) being made up of at least two narrow portions (21) and wide portions (22), each narrow portion (21) being surrounded by wide portions (22), the sum of the areas of the narrow portions (21) representing at least 40% of the total surface area of the optimised incision (2) and the width of each of these narrow portions (21) being less than 0.4 mm, the width of each wide portion (22) being at least equal to 0.4 mm, this tyre tread being such that, for each optimised incision (2), each of the wide portions (22) extending between two narrow portions (21) comprises at least one inclined section in a plane parallel to the mean plane of the optimised incision (2) and forming an angle at least equal to 15 degrees with the direction of the thickness of the tyre tread.
一种用于重型货车轮胎的轮胎胎面(1),其包括当设置有该胎面的轮胎行驶时旨在与路面接触的崭新的行驶表面(10),所述轮胎胎面(1)包括多个通向崭新的行驶表面(10)的优化切口(2),每个优化切口(2)由至少两个窄部分(21)和宽部分(22)组成,每个窄部分(21)被宽部分(22)包围,窄部分(21)的面积总和占优化切口(2)的总表面积的至少40%,这些窄部分(21)的每一个的宽度小于0.4mm,每个宽部分(22)的宽度至少等于0.4mm,该轮胎胎面使得,对于每个优化切口(2),在两个窄部分(21)之间延伸的每一个宽部分(22)包括至少一个倾斜区段,所述倾斜区段在平行于优化切口(2)中平面的平面中并且与轮胎胎面的厚度方向形成至少等于15度的角度。
TYRE TREAD FOR HEAVY GOODS VEHICLE TYRE HAVING IMPROVED INCISIONS
用于重型货车并具有改进的切口的轮胎胎面
2021-07-30
Patent
Electronic Resource
Chinese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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