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7011253 |
Engineered railroad ties
To increase the resistance of plastic and/or plastic composite railroad ties tosliding within the ballast of the railroad bed, for example, sliding lengthwise (in the direction of the longitudinal...
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6237856 |
Method for installing a steady rail track
A method for installing a steady rail track, for which the concrete railroad ties, which carry the rails or auxiliary rails and the continuous reinforcement of which protrudes below out of the only...
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6059199 |
Road transportable segmental concrete railroad tie long-line production system
A road transportable concrete railroad long-line tie molding system is described in which a rigid horizontal metal stressing frame is assembled from transportable sub-frame segments. The sub-frame...
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5540382 |
Mud dispersement device for mounting underneath railway ties
A pair of mud dispersement devices are deployed beneath a railroad tie and upon ballast material supporting the tie. Each device includes a flat elongated structure for underlying a half of the...
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5314115 |
Rail cross-tie for LIM transit system
A rail tie has a pair of rail supporting portions disposed on opposite sides of a central portion. The central portion is elevated relative to the central portion and supports a reaction rail of a...
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4236670 |
Arrangement at a railroad crossing
An arrangement at crossings between a road and a railway. Between the rails and the respective edges of the road structure and between the rails are arranged first and second slabs level at their...
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4204660 |
Process of railroad tie concrete casting
Apparatus for molding rail ties of the type which include one or more fastening devices embedded in the concrete of the type having a shoe plate which rests on the tie and a projecting tab part,...
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3922970 |
Railway transportation system
A transportation apparatus comprises a track formed of two cylindrical elongated elements, the facing inner surfaces of the elements constituting guide paths for traveling wheels of a carriage, the...
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3834620 |
PRECAST RAILROAD TIE AND TIE PLATE
A reenforced precast concrete railroad tie having rail supporting and anchoring plates integrally molded thereinto. The rail plates in one form have a pair of L-shaped anchor and reenforcing rods...
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D029683 |
Title is not available
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3428252 |
RAILROAD CROSS-TIE AND NOVEL UNIT AND INSERT THEREFOR
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3107053 |
Track pedestal blocks
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