| 摘要 |
<p>A valve (18) placed in between the general supply and the flushing tank is open under the effect of the weight of a container (26) placed in between the said valve and the tank, and via which the said tank is filled. The balancing of the weight of the container (26) by the buoyancy of the water contained in the tank cancels out the effect of the container (6) on the valve (18) and permits the closing of the latter. The valve (18) is frustoconical and it pivots about a fixed point (22) which is the contact point between the seat (14) of the valve and the join between one of the generatrices (21) of the frustum and the large base of the latter. <IMAGE></p> |
