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Priority to JP10937290UpriorityCriticalpatent/JPH0465399U/ja
Publication of JPH0465399UpublicationCriticalpatent/JPH0465399U/ja
Soundproofing, Sound Blocking, And Sound Damping
(AREA)
Claims (1)
【実用新案登録請求の範囲】
１ 伸縮型吸音体を使用した消音および防音装置 。
２ 伸縮型吸音体を内蔵したスピーカーの収容箱 。
補平３．１．４
◎図
【図】 第１図は吸音体の断面図である。
イは外皮、ロは内部。[Claims for Utility Model Registration] 1. Sound deadening and soundproofing device using an expandable sound absorber. 2. A speaker storage box with a built-in expandable sound absorber. Supplementary Note 3.1.4 ◎Figure [Figure] Figure 1 is a cross-sectional view of the sound absorber. A is the outer skin, B is the inside.