Column resonance sound of certain frequencies can effectively be reduced in a pneumatic tire by disposing a sound absorbing structure (1) in an interior of the pneumatic tire, where the sound absorbing structure (1) includes a sheet-like base material (2); a plurality of protrusions (10) made from a nonwoven fabric and projecting from a front surface (2a) of the base material (2); and a hollow portion (20) provided inside of the protrusions (10).
SOUND ABSORBING STRUCTURE AND PNEUMATIC TIRE
2019-02-28
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
A pneumatic tire having multilayer type sound absorbing member
European Patent Office | 2021
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