Restoring worn rail clip shoulders on concrete rail ties
AssigneeWillamette Valley Company
InventorsCraig B. Stolarczyk, Paul D. Rogers, Alan Pagni
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Abstract
A method for restoring a worn rail clip shoulder located on a concrete rail tie. The method comprises applying a polymeric material to the worn rail clip shoulder located on the concrete rail tie; and restoring the worn rail clip shoulder by curing the polymeric material. The polymeric material is substantially sag resistant and maintains its shape without substantial runoff from the concrete rail tie during the restoring of the worn rail clip shoulder.
Claims25
A method for restoring a worn rail clip shoulder located on a concrete rail tie, which comprises
- applying a polymeric material comprising a poly(urethane-urea) material to a worn area of the worn rail clip shoulder located on the concrete rail tie;
- and
- restoring the worn area by curing the polymeric material so it adheres to the worn rail clip shoulder, the polymeric material being substantially sag resistant, and substantially maintaining the original shape of the rail clip shoulder, without substantial runoff from the concrete rail tie during said restoring of the worn rail clip shoulder.
A method for restoring a worn rail clip shoulder located on a concrete rail tie, which comprises
- applying a polymeric material comprising one of a poly(urethane-urea) material and a polyurea material to a worn area of the worn rail clip shoulder located on the concrete rail tie;
- and
- restoring the worn area by curing the polymeric material so it adheres to the worn rail clip shoulder, the polymeric material being substantially sag resistant, and substantially maintaining the original shape of the rail clip shoulder, without substantial runoff from the concrete rail tie during said restoring of the worn rail clip shoulder.
A method for restoring a worn rail clip shoulder located on a concrete rail tie, which comprises
- applying a polymeric material comprised of one of a polyurea or poly(urethane-urea) material and introducing a shim to the worn area of the worn rail clip shoulder located on the concrete rail tie;
- and
- restoring the worn area by curing the polymeric material so it adheres to the worn rail clip shoulder and so that it secures the metal shim to the worn rail clip shoulder, respectively, the polymeric material being substantially sag resistant and maintaining its shape without substantial runoff from the concrete rail tie during said restoring of the worn rail clip shoulder.
Dependencies are inferred from the claim text.