| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a wheel for a 'polyblock' railroad line, excellent in a damping characteristic. SOLUTION: A wheel for a 'polyblock' railroad line is provided with a rim 1, a center part 2, a damper 5 and at least one flange 3. The damper 5 is disposed between the center part 2 and the rim 1. The rim 1 is provided with two connecting fillet parts 10, 11 at its inner part 9. Two fillet parts 10, 11 are connected to each other at the innermost parts thereof by a nearly flat annular strip part 12. The damper 5 is provided with a tulip shape part, and two ring members 19, 20 respectively formed of rings made of elastic polymer material.</p> |
