Sound absorbing body, sound absorbing plate, and s

专利名称：Sound absorbing body, sound absorbing

plate, and sound absorbing unit

发明人：Kyoji Fujiwara,Shinta Yamamura,Naoyuki

Furuta,Tadanori Mizukami,YutakaTasaki,Takashi Mikami

申请号：US08/809731申请日：19970409公开号：US058453A公开日：19981229

摘要：To provide a sound absorbing structure having a superior sound absorbingcharacteristic and an external appearance of the sound absorbing structure which doesnot cause flicker or the like, by disposal, for example, in the front of an air chamber, aplurality of ribs (2a) are disposed on one surface of the sound absorbing board body (2),and a plurality of through-holes (3) are provided in basal portions (2b) between the ribs(2a) to form a porous structure. Concealing materials (5) are provided between the ribs(2a) of the sound absorbing board body to conceal the through-holes (3), respectively.

申请人：NITTO BOSEKI CO., LTD.

代理机构：Sixbey, Friedman, Leedom & Ferguson

代理人：David S. Safran

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