Patent ID: 11897290
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. A tire comprising:
a tread portion comprising a first tread edge, a first shoulder circumferential groove extending in a tire circumferential direction adjacent to the first tread edge, and a first shoulder land portion demarcated by the first shoulder circumferential groove to include the first tread edge, wherein
the first shoulder land portion is provided with a plurality of first shoulder lateral grooves extending from the first shoulder circumferential groove to at least the first tread edge,
at least one of the plurality of first shoulder lateral grooves comprises a first groove wall and a second groove wall which face each other and extend in a tire radial direction, and a tie-bar in which a groove bottom portion raises locally,
the tie-bar comprises an outer surface extending along a ground contact surface of the first shoulder land portion, the outer surface being connected to the first groove wall and the second groove wall,
the outer surface comprises a first edge connected to the first groove wall, and a second edge connected to the second groove wall, the second edge having a length smaller than a length of the first edge, and
the length of the second edge is in a range from 30% to 50% of the length of the first edge.