PROBLEM TO BE SOLVED: To effectively reduce air column resonance sound of certain frequencies in a pneumatic tire.SOLUTION: A sound absorbing structure 1 disposed and used in an interior of a pneumatic tire includes a sheet-like base material 2; a plurality of protrusions 10 made of a nonwoven fabric and protruding from a front surface 2a of the base material 2; and a hollow portion 20 provided inside the protrusions 10.SELECTED DRAWING: Figure 1
【課題】空気入りタイヤにおける特定の周波数の気柱共鳴音を効果的に低減する。【解決手段】空気入りタイヤの内部に配置されて用いられる吸音構造体1であって、シート状の基材2と、基材2の表面2aから突き出た不織布製の複数の突部10と、突部10の内方に設けられた空洞部20と、を備える。【選択図】図1
SOUND ABSORBING STRUCTURE AND PNEUMATIC TIRE
吸音構造体及び空気入りタイヤ
2017-09-07
Patent
Electronic Resource
Japanese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
A pneumatic tire having multilayer type sound absorbing member
European Patent Office | 2021
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