Toto Ltd.

Daiki Okabe

Makoto Bekki

Shoko Kobayashi

Shoki Ko

A flush toilet that is flushed with flush water to discharge waste is provided. The flush toilet includes a bowl that includes a waste receiving surface, a rim, and a well portion, a first spouting port that is formed in the rim and from which the flush water is spouted along an inner circumference surface of the rim, a first water passage that guides the flush water to the first spouting port, and a discharge conduit. The first water passage includes a lower water passage formed into a vertically long rectangular shape, and an upper water passage having a smaller width than the width of the lower water passage and extending upward from the lower water passage, and a height dimension of the first spouting port is set to be substantially the same as the height dimension of the first water passage.

Flush toilet

A flush toilet of the present invention includes a bowl including a waste receiving surface that receives waste, a rim formed on an upper part of the waste receiving surface and a well portion that is formed below the waste receiving surface and in which a pooled water surface is formed, one or more spouting ports that spout flush water along the rim, and a discharge conduit connected to a bottom portion of the bowl, the flush toilet including a configuration where a forward main flow and a rearward main flow of flush water spouted from the spouting ports circulate around a waste receiving surface of a bowl and flow, in the beginning of flushing start, into three or more regions of the pooled water surface divided into four regions.

A flush toilet of the present invention comprises: a bowl including a waste receiving surface, a rim formed above the waste receiving surface, and a well portion formed below the waste receiving surface and having a pooled water surface formed in the well portion; a first rim spouting port provided in the rim and configured to spout flush water forward; a first water conduit configured to supply flush water to the first rim spouting port; a second rim spouting port provided in the rim and configured to spout flush water rearward; and a second water conduit configured to supply flush water to the second rim spouting port, in which a bottom surface of the second water conduit is configured to be inclined downward along a water spouting direction of the flush water spouted from the second rim spouting port, and such that an extension line of the bottom surface crosses vertical surfaces of the well portion above a maximum ascending water level of the pooled water surface during flushing.

A flush toilet according to the present invention includes a bowl including a well portion, and a discharge trap conduit, the well portion includes a bottom wall formed above and in front of an inlet of the discharge trap conduit, a side wall formed to surround the bottom wall, and a connecting portion that connects an outer edge of the bottom wall and a lower edge of the side wall, the bottom wall of the well portion includes an inclined portion, and guiding portions that are formed on left and right outer sides of the inclined portion and that guide flush water or waste from front toward the inlet of the discharge trap conduit, and the inclined portion, in a side cross-sectional view, is entirely formed into an upwardly convex shape and formed to be inclined downward from front toward the inlet of the discharge trap conduit.

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Kitakyushu, Japan

Daiki Okabe