Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoki Yukawa0
Date of Patent
February 27, 2007
0Patent Application Number
109228540
Date Filed
August 23, 2004
0Patent Citations Received
Patent Primary Examiner
Patent 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 V2 which is from 0.4 to 20% of the volume V1 of 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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