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US 2020/0369092 A1Published application
Tire
AssigneeBridgestone Corporation
InventorSotaro IWABUCHI
Life of this patent
Estimating the term…
Abstract
A tread portion includes a tread surface, and a groove that partitions the tread surface and has a ratio of a groove width to a groove depth from 0.5 to 8.0. Plural protrusions protrude from a bottom surface of the groove, the plural protrusions have a height from 0.1 mm to 1.0 mm and are arranged having an interval of greater than 0.1 mm and less than or equal to 1.0 mm.
Claims19
A tire comprising:
- a tread portion including a tread surface and a groove that partitions the tread surface, a ratio of a groove width to a groove depth (groove width/groove depth) of the groove being from 0.5 to 8.0;
- and
- a plurality of protrusions that protrude from a bottom surface of the groove, a height of each protrusion being from 0.1 mm to 1.0 mm, and the plurality of protrusions being arranged having an interval of greater than 0.1 mm and less than or equal to 1.0 mm.
Dependencies are inferred from the claim text.