发明授权

PNEUMATIC TIRE
摘要:
The present invention provides a pneumatic tire 1, comprising: a carcass ply including a main body portion 11a extending across respective bead cores 9 and turn-up portions 11b each turned up around the bead cores 9 from the main body portion 11a; a bead filler 13; and a side rubber 5a, wherein: a tip portion on the outer side in the tire radial direction of the outer end 13a of the bead filler 13, of each of the turned-up portions 11b, extends to a position of at least 5 mm distance from the outer end 13a of the bead filler with maintaining distance of 1 mm or less between the main body portion 11a and itself; a turn-up end 11c is disposed on the inner side in the tire widthwise direction than a neutral axis of bending of a bead portion 7 and a corresponding sidewall portion 5 and at 10%-40% height of a tire cross sectional height SH of the tire; and the side rubber 5a, disposed on the outer side in the tire widthwise direction of the main body portion 11a and each turn-up portion 11b, covers the turn-up end 11c and constitutes a part of an outer surface of the tire.
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