Pneumatic radial tire

Details Pneumatic radial tire Pneumatic radial tire

B - Operations, Transporting

60

C

152/126

B60C 11/04 (2006.01)

Patent

CA 1302854

ABSTRACT A pneumatic radial tire, in which stone entrapment in the tread groove is prevented and wet grip property is maintained, comprises: a tread provided on its central part with a central longitudinal groove extending continuously zigzag in the circumferential direction of the tire to form a plurality of zigzag edge portions protruding axially inwardly on the sidewalls thereof; a plurality of platforms formed at the zigzag edge portions and protruding from the sidewalls of the central longitudinal groove ; the depth of the platforms from the tread surface to the platforms being in the range of 40 to 80% of the depth of the central longitudinal grooves; the circumferential length of the platforms being in the range of 15 to 40% of the zigzag pitch of the central longitudinal groove; and the width of the platforms being in the range of 5 to 20% of the width of the central longitudinal groove.

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