| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved bathtub tap hole device for smoothing reheating operation, and ensuring flanged male screw tube connection. SOLUTION: In the bathtub tap hole device, a tube 11 is connected to a front end of a hot water pipe 15 inserted in an inner tube 25 of a male screw tube 20 communicated with a passage 31 of a fitting 30, an outlet 1101 of the tube 11 is communicated with an outlet 120 of a front end closed tube 12, a tube 13 is connected to a front end of a hot water pipe 16 connected to the inner tube 25 of the male screw tube 20 communicated with a passage 32 of the fitting 30, an outlet 1301 of the tube 13 is communicated with an outlet 140 of a front end closed tube 14, a valve plate 19 is provided for opening an outlet 111 of the tube 11 and closing an outlet 131 of the tube 13, or closing the outlet 111 of the tube 11 and opening the outlet 131 of the tube 13, and during reheating operation, the outlet 111 of the tube 11 is opened and the outlet 131 of the tube 13 is closed to supply hot water and return hot water is sent in from an outlet 140 of a tube 14, or the outlet 131 of the tube 13 is opened and the outlet 111 of the tube 11 is closed to supply hot water and the return hot water is sent in from an outlet 120 of a tube 12. COPYRIGHT: (C)2005,JPO&NCIPI
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