| 摘要 |
PROBLEM TO BE SOLVED: To provide a flush toilet bowl capable of improving its sewerage discharging performance by reliably forming a bundled main flow moving to the inlet of a drain trap part.SOLUTION: A flush toilet bowl 1 includes a bowl part 12 including a bowl-shaped sewerage receiving faces 16, 20, and a rim portion 18 located at the upper edge and having an inner peripheral face, a drain trap pipeline 14 for discharging sewerage, a rim discharge part for discharging washing water from a rim discharge port along the inner peripheral face of the rim portion 18 to form a swirl flow, the rim portion 18 having the inner peripheral face exposed to an inside space of the bowl part 12 and formed in an overhanging shape, the inner peripheral face 30 consisting of a bottom face 30a, a side face 30b extending upward from the outer end of the bottom face 30a, and an upper face 30c extending from the upper end of the side face 30b to the inside space, the bowl part 12 being formed with a guide portion which guides the washing water discharged from the rim discharge part to swirl to the upper face of the rim portion 18 and drops it on the bowl part 12 at its predetermined position. |
