E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 31/18 (2006.01) B29C 73/02 (2006.01)
Patent
CA 2560673
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 in 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.
L'invention concerne une méthode pour restaurer un siège de rail endommagé situé sur une fixation de rail en béton. Cette méthode consiste à : appliquer une matière polymère comprenant une matière poly(uréthanne/urée) sur le siège de rail endommagé situé sur la fixation de rail en béton; et restaurer le siège de rail endommagé par le durcissement de la matière polymère à température ambiante et dans des conditions de pression ambiantes. La matière polymère est sensiblement résistante à la coulure et maintient sa forme sans coulure à partir de la fixation de rail en béton, lors de la restauration d'un siège de rail endommagé.
Loomis Robert M.
Rogers Paul D.
Stolarczyk Craig B.
Tiba Omar
Sim & Mcburney
Willamette Valley Company
LandOfFree
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