| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping structure of a draining facility having a cabinet (7) such as a wash stand or a sink (2), which facilitates the cleaning thereof, and has an expanded storage space in the cabinet (7). SOLUTION: The piping structure employs a drain trap (18) of an apparently straight pipe structure having three channels in a trap (1) in place of a conventional drain trap formed almost in an S shape. The drain trap is detachable and therefore the cleaning thereof is facilitated. Further by making the straight pipe structure detachable, the storage space in the cabinet section (7) is expanded. COPYRIGHT: (C)2006,JPO&NCIPI
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