Pneumatic tire
A technology of pneumatic tires, tires, applied in tire parts, tire tread/tread pattern, transportation and packaging, etc., to achieve the effect of improving edge effect, improving drainage, and improving performance on ice
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[0031] Tires of Conventional Example 1 and Examples 1 to 10 were produced. The tires had a tire size of 195 / 65R15, and the tread portion was provided with a plurality of land portions (blocks) divided by grooves, and a plurality of grooves were respectively provided on these land portions. A pneumatic tire for icy and snowy roads with a sipe pattern and a plurality of thin grooves respectively provided on the contact surface of the land portion, wherein the inclination angle α (°) of the thin grooves in the central region of the land portion with respect to the tire circumferential direction, The inclination angle β (°) of the thin groove in the end region of the land portion with respect to the tire circumferential direction and the ratio (%) of the width of the end region to the width of the land portion are different as shown in Table 1. In Conventional Example 1 and Examples 1 to 10, the groove area ratio of the thin grooves in the land portion was set to 35%, the depth of ...
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