| 摘要 |
PROBLEM TO BE SOLVED: To keep cold water or high temperature water having the fear of causing a burn stored in a shower hose from being applied. SOLUTION: This device is so constructed that an automatic drain valve 12 opened and closed at a preset water temperature according to the operation of a shape memory alloy is provided in a part of a shower hose 14 to which a shower head 16 is connected. To further heighten the effect, the automatic drain valve 12 opened below 30 deg.C and the automatic drain valve 12 opened above 45 deg.C are to be used, so the automatic drain valve 12 opened below 30 deg.C and that opened above 45 deg.C are jointly used. |
