| 摘要 |
PROBLEM TO BE SOLVED: To provide a loudspeaker box which can realize sure reinforcement simply and at low cost. SOLUTION: In the loudspeaker box in which a reinforcing material is inserted between facing inner walls, the reinforcement material 6 has a notch formed in a direction perpendicular to the direction of a framework constructed between inner walls, and is inserted in the inner walls in a state that shrinkage along the forming direction occurs in the notch. COPYRIGHT: (C)2007,JPO&INPIT
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