FIELD: water supply; sewerage.
SUBSTANCE: invention relates to sanitary devices. In the method, the toilet bowl unit comprises a toilet bowl with an inner surface having an upper peripheral portion, a central peripheral portion and a lower sump portion, a peripheral slot separating the lower edge of the upper peripheral portion from the upper edge of the central peripheral portion, and a peripheral water channel concealed inside the toilet bowl unit and having a side wall constituting a partition over which water can flow into the peripheral slot. Further, the discharge opening of the peripheral slot includes at least one local downward deflection portion of the discharge opening. Specified or each local downward deflection portion is a winding downward deflection portion and is located in the front half of the toilet bowl.
EFFECT: efficient cleaning of the inner surface of the toilet bowl is provided.
19 cl, 40 dwg
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