| 摘要 |
PURPOSE: A prefabricated porous block using recycled synthetic resin is provided to select various colors as exterior color according to purpose and to improve safety in walking of the blind by employing brallie. CONSTITUTION: A prefabricated porous block includes a substrate molded out of recycled synthetic resin to have two vertical walls(3) and a base plate(4). A colored resin coating layer(2) is formed on top of the substrate, a plurality of grooves are formed at equal intervals on the perimeter of the substrate, and a recess(6) and a protrusion(7) are formed on the bottom of the substrate. A metal net core is provided inside the substrate. A plurality of projections(8) are regularly arranged on the colored resin coating layer to form brallie. |
