| 摘要 |
PROBLEM TO BE SOLVED: To provide a curbstone capable of preventing a puddle from being formed on a roadway, while preventing the inflow of fallen leaves into a catch basin. SOLUTION: This curbstone 1 is arranged adjacently to the catch basin 2 which is embedded on the side of the road. A head race 5, which communicates with the catch basin 2, is provided on the roadway-side lateral surface 1a of the curbstone 1. A plurality of openings 7 for guiding rainwater on the roadway into the head race 5 are formed on the roadway-side lateral surface 5a of the head race 5. The plurality of openings 7 are composed of at least two kinds of opening groups 7a and 7b, the lower end positions of which are different from each other. COPYRIGHT: (C)2008,JPO&INPIT
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