Pneumatic tire
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United States of America Patent
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Jul 22, 2015
filing date -
Jul 23, 2014
priority date (Note) -
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Abstract
A pneumatic tire includes a belt layer, a belt reinforcing layer in which a plurality of reinforcing cords are arranged, four main grooves, and land portions comparted by the four main grooves, wherein in the case that the belt reinforcing layer is partitioned into five areas in a tire width direction by the four main grooves, an arrangement density of the reinforcing cord in the fifth area is higher than that of the reinforcing cord in the first area, and an arrangement density of the reinforcing cord in the second area is higher than that of the reinforcing cord in the fourth area, and wherein protruding portions having protruding heights in proportion to the arrangement densities are provided on ground surfaces of the land portions which are positioned outside in the tire diametrical direction in the areas having the higher density than that of the third area.
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