| 摘要 |
<p>The present invention relates to the sanitaryware production industry and items such as taps, shower heads, outlets, floats, inter alia. More specifically, the present invention relates to the production of dry-urinal valves that allow the passage of the urine and prevent the return of unpleasant odours. Structurally speaking, the invention is characterized in that it comprises a monolithic drain formed by an upper cover with holes and a hollow cylinder, that is open in the lower part thereof, with a thread on the inner face, at the lower end thereof, and a thread on the outer face directly under the peripheral projection of the cover upwards and sideways; the seat, which is upwardly concave, is screwed directly into the lower thread of the cylinder, the seat having a central aperture for allowing discharge of the urine when the sphere within floats and that allows sealing when the small ball is seated; surrounding the drain/seat assembly, the device comprises an outer housing with a thread in the upper end thereof.</p> |
