| 摘要 |
This invention relates to improvements in rail insulating pads which are used to electrically and dynamically insulate the rail from the rail tie. More particularly it relates to a rail fastening of the kind in which a rail, having a field edge and a gauge edge is fastened to a rail tie by a rail seat consisting of a rail tie, a rail pad between the tie and the rail; a pair of rail clamp supports secured to said tie on either side of said rail and abutting said rail pad; rail clamp associated with each rail clamp support each clamp having a portion secured in said clamp support and a portion bearing down on said rail flange, the improvement comprising the provision of a said rail pad to electrically and dynamically insulate said rail tie from said rail wherein there is a rib provided on the field edge portion of the rail pad.
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