SOUND ABSORBING HOUSING BOX

摘要

PROBLEM TO BE SOLVED: To provide a sound absorbing housing box which improves sound absorbing effect and is capable of housing various kinds of articles inside. SOLUTION: The housing box consists of an external box B and a drawer A. The drawer A consists of a sound absorption part 1 of an almost arched plane cross section forming a drawer front plate, and a housing box 2. The sound absorption part 1 is formed of a sound absorbing panel 11 arranged so as to swell out and a back board 12, and the inside of the sound absorption part is filled with a sound absorbing material 3. A lot of through-holes 121 are bored in the back board. COPYRIGHT: (C)2005,JPO&NCIPI