| 摘要 |
<p>A rail fastening of the kind in which a rail (7), having a field edge (21) and a gauge edge (22), is fastened to a rail tie (8) with a rail pad (9) between the tie and the rail includes a pair of rail clamp supports (10) secured to the said tie (8) on either side of said rail and abutting said rail pad and a rail clamp (11) associated with each rail clamp support, each clamp (11) having a portion secured in said clamp support and a portion bearing down on the rail flange. The improvement comprises the provision of a rail pad (9) which electrically and dynamically insulates said rail tie (8) from said rail (7) and in which there is a rib (25) provided on the field edge portion of the rail pad.</p> |
