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Pneumatic tire with tread having both end closed groove bottom concave portions and both end open groove bottom sipes
Pneumatic tire with tread having both end closed groove bottom concave portions and both end open groove bottom sipes
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机译:具有胎面的充气轮胎,该胎面具有两端封闭槽底部凹部和两端开放槽底部刀槽花纹
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摘要
A pneumatic tire provided with a tread pattern on which a plurality of blocks are formed with circumferential grooves which extend along a circumferential direction of the tire and lateral grooves which traverse the circumferential grooves, wherein the lateral groove disposed between the blocks on the endmost tread edge region has a depth from 10 to 50% of a depth of the circumferential groove to be traversed and has a groove bottom concave portion whose both ends in a longitudinal direction are disposed inside the groove bottom, and a width of the groove bottom concave portion, which is determined on the basis of the bottom plane of the groove bottom, is from 25 to 45% of a groove width of the lateral groove.
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