Sound-absorbing material

JP1770873SActive Publication Date: 2025-05-27RESONAC CORP
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Patent Information

Application Number
JP2023017665D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
Filing Date
2023-08-30
Publication Date
2025-05-27
Estimated Expiration
2048-08-30

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Abstract

This article is a sound-absorbing material that is attached to the inner peripheral surface of an automobile tire and is used to reduce cavity resonance noise. This article takes in cavity resonance noise from the holes provided on the surface into the inner hollow part and reduces the cavity resonance noise.
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