Restoring damaged rail seats located on concrete rail ties
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United States of America Patent
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Oct 2, 2012
Issued Date -
N/A
app pub date -
Mar 24, 2005
filing date -
Mar 24, 2004
priority date (Note) -
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Abstract
A method for restoring a damaged rail seat located on a concrete rail tie. The method comprises applying a polymeric material comprising a poly(urethane-urea) material to the damaged rail seat located on the concrete rail tie; and restoring the damaged rail seat by curing the polymeric material under ambient temperature and pressure conditions. The polymeric material is substantially sag resistant and maintains its shape without substantial runoff from the concrete rail tie during the restoring of the damage rail seat.
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