| 摘要 |
PROBLEM TO BE SOLVED: To provide a flush toilet bowl having an effectively reinforced rim part, having an excellent property to withstand a load, and capable of cleaning the inside of a circular passage with ease. SOLUTION: In this flush toilet bowl constituted by forming the rim part 2 protruding onto an inner side like a bent plate piece integrally at an upper end opening fringe of a bowl-shaped toilet stool main body 1 opened upward, providing the rim part 2 and a shelf-like part 3 opposing to it below it on an inner face of the toilet stool main body 1 protrudedly, and forming the channel-like circular passage 4 opened inward and allowing washing water to flow along the peripheral direction of opening between the rim part 2 and the shelf-like part 3 so that washing water washes away excrements along an inner face of the toilet stool main body 1 by the force of the washing water flowing in the circular passage 4, a reinforcing rib 5 is integrally erected along the peripheral direction of opening between the rim part 2 and the shelf-like part 3, and a more inner side than the reinforcing rib 5 is formed as the circular passage 4. COPYRIGHT: (C)2008,JPO&INPIT
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