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US 11,964,519 B2Granted
Tire
AssigneeBridgestone Corporation
InventorsKeiichi Hasegawa, Takayuki Kurata
Life of this patent
Estimating the term…
Abstract
The bead portion of the tire has an inner bead provided inside the tire width direction of a carcass ply and an outer bead provided outside the tire width direction of the carcass ply. The inner bead and the outer bead have a bead core portion including a bead cord formed of a metal material, and a filler portion provided outside the tire radial direction of the bead core portion and formed of a resin material. The inner bead and the outer bead sandwich a carcass ply.
Claims4
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 a 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 a skeleton of the tire and
- the bead portion comprises:
- an inner bead provided inside the tire width direction of the carcass ply;
- and
- an outer bead provided outside the tire width direction of the carcass ply, wherein
- the inner bead and the outer bead comprise:
- a bead core portion including a bead cord formed of a metal material;
- and
- a filler portion formed of a resin material and disposed outside the tire radial direction of the bead core portion, wherein
- the inner bead and the outer bead sandwich the carcass ply;
- wherein the outer end in the tire radial direction of the filler portion is formed with a valley-shaped sloping surface inclined toward the outer side in the tire radial direction as the filler portion moves away from the carcass ply.
12 more elements
Dependencies are inferred from the claim text.