Patent ID: 11872845
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 1:
2. The tire according to claim 1, wherein
the five land portions comprise a second middle land portion located between the second tread edge and the tire equator,
the second middle land portion comprises a first longitudinal edge extending in the tire circumferential direction on the first tread edge side, a second longitudinal edge extending in the tire circumferential direction on the second tread edge side, and a ground contact surface between the first longitudinal edge and the second longitudinal edge,
the second middle land portion is provided with a plurality of second middle sipes inclined at an angle with respect to the tire axial direction and fully traversing the second middle land portion in the tire axial direction,
each of the plurality of second middle sipes comprises a pair of sipe edges,
at least one of the pair of sipe edges opens at the ground contact surface of the second middle land portion via a chamfer portion over an entire length thereof, and
the chamfer portion of each second middle sipe has a chamfer width increasing from the second longitudinal edge to the first longitudinal edge continuously.