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US 11,446,967 B2Granted
Pneumatic tire
AssigneeBridgestone Corporation
InventorsMasanao Shibata, Jun Watanabe, Shin Sukegawa, Takayuki Ohara, Suguru Yamaguchi, Hiroki Hori, Sho Mitsuda
Life of this patent
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Abstract
A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper, wherein the second sound damper has a hardness greater than a hardness of the first sound damper.
Claims20
A pneumatic tire comprising:
- a first sound damper fixed to a tire inner surface and being made of a sponge material;
- a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material;
- and
- a communication device retained between the first sound damper and the second sound damper,
- wherein the second sound damper has a hardness greater than a hardness of the first sound damper, and
- wherein the first sound damper and the second sound damper extend along an entire tire circumference.
3 more elements
A pneumatic tire comprising:
- a first sound damper fixed to a tire inner surface and being made of a sponge material;
- a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material;
- and
- a communication device retained between the first sound damper and the second sound damper,
- wherein the second sound damper has a hardness greater than a hardness of the first sound damper,
- wherein a surface of the second surface damper on the tire internal space side is provided with irregularities, and
- wherein the irregularities are configured from a plurality of protruding ribs extending in a tire circumferential direction and a recessed groove defined between the plurality of protruding ribs.
4 more elements
Dependencies are inferred from the claim text.