| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flow path opening/closing device for supplying washing water into a siphon-type toilet bowl while keeping the amount of water constant regardless of a water supply pressure when supplying the washing water into the toilet bowl and also keeping the amount of refill water constant, the water to be supplied to the toilet bowl between start of closing a valve and completion of the closing. <P>SOLUTION: A flow path opening/closing device includes refill water amount-adjusting means for adjusting the forward-moving operation of a valve element member in accordance with the pressure of water supplied from a primary-side flow path in a refilled water supply step, thereby supplying a predetermined amount of refill water to a toilet bowl regardless of the water supply pressure. <P>COPYRIGHT: (C)2013,JPO&INPIT |
