Vertical circular traffic sign`s information masking device, has plate comprising thermoformed gorges and holes formed at intersection of gorges, and elastic cables passed in holes and blocked by tilting hangers
摘要
<p>The device has a plate (1) comprising thermoformed gorges (2) and holes (3) formed at the intersection of the gorges. Elastic cables (4) are passed in the holes and blocked by tilting hangers (5). The plate has a thickness of 0.6 millimeters and a diameter of 450 millimeters diameter. The gorges have 3 millimeters depth and the holes have diameter of 4 millimeters. The cables have length of 370 millimeters.</p>
