Tire noise reducing system

Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube

Reexamination Certificate

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Reexamination Certificate

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10922854

ABSTRACT:
The present invention relates to a tire noise reducing system comprising a pneumatic tire, a wheel rim on which the pneumatic tire is mounted, and a noise damper disposed in a cavity surrounded by an inner surface of the rim and an inner surface of the tire mounted thereon, wherein the noise damper has a volume V2which is from 0.4 to 20% of the volume V1of the cavity, and the noise damper is made of a porous material having a hardness of from 10 to 80 N, a tensile strength of not less than 70 kPa and a specific gravity of from 0.014 to 0.026.

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patent: 2002178712 (2002-06-01), None
patent: 2003226104 (2003-08-01), None
patent: WO-03/103989 (2003-12-01), None

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