| 摘要 |
PROBLEM TO BE SOLVED: To provide a board carriage.SOLUTION: The board carriage 1 includes a caster 20 provided at each of the four corners of an undersurface of a base board 10. The base board 10 includes: a placing board 11 comprising plywood; and a polyurethane protection circumference edge 12 formed over the whole circumference of the placing board 11. The protection circumference edge 12 is molded integrally with the placing board 11 by injecting a polyurethane into a gap around the placing board 11 disposed inside a frame mold.SELECTED DRAWING: Figure 1 |
