Patent ID: 9242513
Filing Date: 2016-01-26
CPC Classification: B60C

Claim Text:
1. A pneumatic tire comprising, in a tread portion, a plurality of land portions partitioned by a plurality of circumferential grooves extending in a tire circumferential direction and a plurality of lateral grooves extending in a tire width direction; wherein at least one of the land portions comprises an annular sipe; a surface of a portion of the land portion surrounded by the annular sipe comprises at least one inner side inclining face that inclines toward the annular sipe; a surface of a portion of the land portion along a periphery of the annular sipe comprises at least one outer side inclining face that inclines toward the annular sipe; the inner side inclining face and the outer side inclining face are disposed so as not to be opposite each other; and a step is formed between a first edge of the annular sipe of the inner side inclining face or the outer side inclining face and a second edge of the annular sipe opposing the first edge.