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US 2015/0090382 A1Published application
Tread block with features for improved thermal wear
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsPaul Andrew Mayni, Daniel McEachern Hicks
Life of this patent
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Abstract
A tire tread having features that improve thermal wear performance is provided. A tread block is provided with an aperture. The aperture is positioned and sized in a manner that reduces stresses and/or strains in the tread block so as to reduce thermal wear. Certain variations in the depth and shape of the aperture are provided. Such tread feature can provide for a tire capable of operating at higher speeds for a given load.
Claims15
A tire, comprising:
- a tread portion for ground contact during operation of the tire;
- at least one tread block located in said tread portion, said tread block defining a ground contacting surface and having a centroid, said tread block having a height H along the radial direction;
- and
- an aperture defined by said tread block and opening along the ground contacting surface of said tread block, said aperture in radial alignment with the centroid of said tread block, wherein the non-zero depth D of said aperture within said tread block along the radial direction is less than 0.25 of the height H of said tread block.
1 more element
Dependencies are inferred from the claim text.