| 摘要 |
PROBLEM TO BE SOLVED: To prevent a vibration element from coming off from the back of the bottom of a sink bowl even by strong impact and reduce noises occurring by the vibrations. SOLUTION: The structure of a sink with a washing function using ultrasonic waves, comprising at least a bolt hole opened in the bottom of a sink bowl 11, a porous sheet 21 arranged around the bolt hole at the back of the bottom of the sink bowl 11, a vibration element 20 contacting the porous sheet 21 with the upper surface, having a nut 23 fixed at the center of the upper surface and having a washer provided on the nut 23, a fastening bolt 15 used for the primary fixing of the vibration element 20 to the bottom of the sink bowl 11 from its inside via an airtight packing, an adhesion layer 50 for the secondary fixing of both the porous sheet 21 and vibration element 20 to the bottom of the sink bowl 11, a noise absorption component 60 arranged around the lower outer circumference of the sink bowl 11, and a water- and soundproof cover covering the external surface of the sink bowl 11. COPYRIGHT: (C)2006,JPO&NCIPI
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