| 摘要 |
PROBLEM TO BE SOLVED: To provide a drain plug device with a washing function by which an unclean valve body and an unclean valve seat can be cleaned without directly touching them. SOLUTION: In the drain plug device for opening and closing the drain plug 7 arranged at a drain outlet by operating an operation part 10, the valve body 7b of the drain plug and the operation part 10 are connected to each other by a connecting means 9b. By turning a functional cylindrical body 102 and a press button 103 of the operation part 10, the valve body 7b is slidingly turned in a state of pressure-contacting with the valve seat 7a, so that dirt may be rubbed away. COPYRIGHT: (C)2008,JPO&INPIT
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