Spreading roller for granular material, especially gravel, is filled with low-density synthetic material to reduce noise

摘要

The spreading roller has a central metal shaft (1) with a horizontal axis, surrounded by a coaxial cylinder (3), also of metal, fixed to the shaft by end flanges (4, 5). The cylinder is filled with a low-density synthetic material, which is injected through a hole (6, 7) in at least one of the flanges.