| 摘要 |
An improved trap for sanitary bowls, the type which consists of: a sanitary bowl which has a trap by way of a siphon which consists of a sealed-hydraulic section to close with liquid the sanitary bowl with respect to a drainage tube of a bathroom and to avoid that the odors and gases of the drainage leave by the same, a discharge section which drives the contents of the bowl towards the drainage tube, the improvements being characterized by the trap discharge section which consists of at least a strangulation o restriction which reduces the diameter of the same in at least a part of it in order to improve the extraction and suction of the sanitary bowl contents.
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