| 摘要 |
<p>A drain (10) for sanitary appliances, in particular for bathtubs with a built-in hydromassage system, comprises a plug with a shank (15) extending downwards inside the drain (10) to enable it to be raised by first (16) or second (17) thrust means and thus connect the bottom of the tub (11) to a drain pipe (13). The first means (16) being controlled by an electric ratiomotor (18) and the second means (17) being controlled by a hand-operated rod (20). The first and second means (16, 17) also control a valve (23) which opens a passage (24) between the hydromassage system and said drain pipe (13).</p> |
