20130292036 | METHOD FOR MANUFACTURING A REFLECTIVE ROADSTUD - A reflective roadstud and manufacture of the same including steps of forming an upper and lower cover from mixture of acrylonitrile butadiene styrene (ABS) and basalt fiber with a mixing ratio of 1:0.05˜0.5 by injection molding. The upper cover and the reflective sheet are combined by ultrasonic welding, and the lower cover is arranged to the upper cover as a finish. The finish is further coated by a nanotech inorganic heat dissipating coating (Sio2, Cao). | 11-07-2013 |