Electrically insulating rail pad
AssigneePandrol Limited
InventorRoger David Larke
Life of this patent
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Abstract
A rail pad (1), for electrically isolating a railway rail (2), comprises a rail seat portion (11) for supporting a foot of the rail (2), a pair of upstands (12) joined to opposite edges of the rail seat portion (11) of the pad (1) by respective webs such that respective channels (13) for directing water away from the rail are defined between the rail seat portion (11) of the pad (1) and each adjacent upstand (12). Such a pad provides improved wet electrical resistance.
Claims8
A rail pad, for use on a railway sleeper having a longitudinal axis, for electrically isolating a railway rail from the railway sleeper, the pad comprising a rail seat portion having a top surface for supporting a foot of the rail, wherein the pad further comprises a pair of upstands joined to opposite edges of the rail seat portion of the pad by respective webs each disposed at a level lower than that of the top surface of the rail seat portion, such that respective channels running normal to the longitudinal axis of the railway sleeper are defined between the rail seat portion of the pad and each adjacent upstand so that the channels constitute respective gutters adapted to direct water away from the rail, and wherein the pad overhangs at least one edge of the railway sleeper.
Dependencies are inferred from the claim text.