| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathtub-washing apparatus having an improved convenience for using and a stable washing performance. SOLUTION: After an automatic draining cock is opened, this bathtub-washing apparatus waits for a predetermined period of time before a washing process begins. This waiting period of time can be set arbitrarily. Because the bathtub- washing apparatus waits for a predetermined period of time after an automatic draining cock is opened before the washing process begins, the troublesome operations of going to the bathroom, confirming the drainage of bathtub water and closing the cover of the bathtub can be conveniently omitted. Because the waiting period of time can be set arbitrarily, the time from the drainage till the end of the washing process can be shortened by shortening the waiting period of time. For a large bathtub needing a long period of time for drainage, the waiting period of time can be extended. Because it is possible to respond to various conditions in this way, usability is improved and stabilized washing performance is obtained. COPYRIGHT: (C)2003,JPO
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