Patent ID: 11964518
Assignee: BRIDGESTONE CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A tire comprising:
a tread portion in contact with a road surface;
a tire side portion continuous to the tread portion and positioned inside in the tire radial direction of the tread portion; and
a bead portion continues to the tire side portion and positioned inside in the tire radial direction of the tire side portion,
wherein the tire comprises a carcass ply forming the skeleton of the tire and
the bead portion comprises:
a bead structure having a bead core composed of a bead cord; and
an annular plate extending to the tire circumferential direction and formed of a resin material, wherein
at least a part of the annular plate in tire radial direction expands or contracts in tire circumferential direction; and
the annular plate has a wavy portion that repeats an amplitude at tire width direction along the tire circumferential direction.