| 摘要 |
PROBLEM TO BE SOLVED: To provide a flush toilet bowl for enabling a longer sewerage carrying distance with a small amount of washing water while suppressing the movement of sewerage due to a swirl flow before discharging the sewerage.SOLUTION: The flush toilet bowl uses a swirl flow for washing the bowl surface of the bowl and discharging washing water from a water discharge port part provided in the bottom of the bowl. The bottom of the bowl surface bellow a water seal surface is higher at one side in the horizontal direction of a portion in front of the water discharge port part than at the other side to form a higher bottom portion. On the other side in the horizontal direction of the portion in front of the water discharge port part, a depression is formed which is continuous with the higher bottom portion and lower than the higher bottom portion and whose rear end is continuous with the water discharge port part. |
