| 摘要 |
PROBLEM TO BE SOLVED: To provide a circulation adapter for a bathtub allowing easy attaching and detaching work including fixation/fixation release of an inner unit to an circulation adapter set, and suppressing a scale adhesion to a minimum by reducing a passage volume of a suction passage and a discharge passage of the inner unit to suppress flow rate reduction. SOLUTION: The circulation adapter 1 for a bathtub is provided with the circulation adapter set 2 fixed to a wall Bw of a bathtub and to which a water inlet pipe Pi and a hot-water outlet pipe Po are connected, and the inner unit 3 detachably installed on the circulation adapter set 2 from the inside of the bathtub, and it is characterized in having the inner unit 3 forming the suction passage 5 and the discharge passage 6 respectively communicated with the water inlet pipe Pi and the hot-water outlet pipe Po when installed on the circulation adapter set 2, and a fixing mechanism 4 releasably fixing the inner unit 3 to the circulation adapter set 2 by means of a fastening member 50 with a tab turnable by a finger when the inner unit 3 is installed on the circulation adapter set 2. COPYRIGHT: (C)2005,JPO&NCIPI
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