RADIAL TIRE

PROBLEM TO BE SOLVED: To provide a pneumatic radial tire which can improve partial wear resistance without worsening pattern noise, even when the number of sipes or pitch is finely set similarly to a customary one. SOLUTION: In a radial tire provided with longitudinal grooves in the circumferential...

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1. Verfasser: KIYOUMOTO SEIJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a pneumatic radial tire which can improve partial wear resistance without worsening pattern noise, even when the number of sipes or pitch is finely set similarly to a customary one. SOLUTION: In a radial tire provided with longitudinal grooves in the circumferential direction, lateral grooves crossing with them, and block patterns divided with these grooves, on a tread face part, a block 3 is formed with a thin groove 4 crossing the block 3 on the nearly center in the circumferential direction of the tire, and one or a plurality of thin grooves 5 shallower than the center lateral groove respectively in the front and rear territories 3a, 3b continued through the thin groove 4. Difference between the thin wall 4 and the shallowest thin groove 5 is set to be 1.0-5.0mm.