| 摘要 |
PROBLEM TO BE SOLVED: To provide a noise absorber which reduces unit costs of members, facilitates assembly, has high reliability, and has high sound deadening effect in comparison with a conventional method. SOLUTION: The noise absorber comprises a pipe 1 having a straight pipe portion, a drain port 11 for allowing inflow of waste water into the pipe 1, a discharge port 12 for discharging the waste water in the pipe 1, and a water storage portion 3 formed immediately under the drain port 11 to store the waste water. A sound deadening part 4 in which a plurality of water passage holes 41 are opened is disposed at a middle position of the pipe 1. COPYRIGHT: (C)2010,JPO&INPIT |
