The sound-absorbing tool according to the present disclosure comprises: a ring-shaped accommodating body which defines an accommodating space therein and which is capable of extending and retracting in the circumferential direction; and a sound absorbing material housed in the housing space of the housing body and not having a fixed shape.
根据本公开的吸音工具包括:具有环状的收容体,其在内部限定收容空间并且可以在周向上伸缩;和吸音材料,其收容在收容体的收容空间中并且不具有固定形状。
Sound absorbing tool and assembly
吸音工具和组件
2024-07-12
Patent
Electronic Resource
Chinese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |