| 摘要 |
PURPOSE:To attenuate sound by interfering noise entering a sound attenuating space from the four side peripheries of a partition wall, with each other. CONSTITUTION:In a bathroom provided with a bubble generating bathtub for enabling bathing hot water mixed with bubbles to be discharged into a bathtub main-body, under the ceiling wall 5 of the bathroom, a fixed interval is retained, and a partition wall (a) is set. Between the peripheral edge end section of the partition wall (a) and a bathroom side wall, a specified gap is set, and with the lower surface of the ceiling wall 5 and the upper surface of the partition wall (a), the sound attenuating space S of an interfering type is formed. |
