Tire noise reducing system

Details Tire noise reducing system Tire noise reducing system

2007-02-27

2007-02-27

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

Reexamination Certificate

active

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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