Road surface shaping auxiliary member
JP1828331SActive Publication Date: 2026-06-02PUMP MAN CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- PUMP MAN CO LTD
- Filing Date
- 2025-12-26
- Publication Date
- 2026-06-02
Smart Images

Figure 0001828331000001 
Figure 0001828331000002 
Figure 0001828331000003
Abstract
This product is a road surface shaping auxiliary member for shaping a road surface capable of storing and draining water, and has a water storage space formed inside. The upper side of the road surface shaping auxiliary member has an L-shaped through hole that communicates with the water storage space, and the lower side is open. As shown in Reference Figure 1, by engaging the ends of the road surface shaping auxiliary members with wall members (Reference Figures 2 and 3), a casting space surrounded by four road surface shaping auxiliary members is formed (the L-shaped road surface shaping auxiliary members are arranged at the four corners of Reference Figure 1). When shaping the road surface, this product is placed on crushed stone or the like laid on the ground, and then road surface shaping material such as concrete is poured into the casting space. As the poured road surface shaping material hardens, a road surface is formed in which a drainage channel is formed that connects to the ground through the water storage space via the through hole. As shown in Reference Figures 2 and 3, recesses can be formed in the lower part of the wall member, allowing for a configuration in which rod-shaped members such as reinforcing bars can be inserted into multiple linearly arranged recesses, as shown in Reference Figure 1.
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