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US 2024/0133124 A1Published application
Hollow sleeper
AssigneeSchwihag AG
InventorRoland BUDA
Life of this patent
Estimating the term…
Abstract
A precast concrete hollow sleeper for use in railway tracks has a body with at least one upper bearing surface for rails and one cavity extending over the entire length of the hollow sleeper and surrounded by the body on at least three sides for accommodating and possibly removing cable crossings and/or switch drive mechanisms and/or equipment for track or train control and/or measuring devices and/or supply lines. The body is made of concrete, preferably concrete with additional reinforcement.
Claims17
A hollow sleeper (1) for use in railway tracks, comprising:
- a body (2) having at least one upper bearing surface (10) for rails;
- and
- a cavity (3) surrounded by the body (2) on at least three sides for accommodating and possibly removing cables and/or switch drive mechanisms and/or equipment for track or train control and/or measuring devices and/or supply lines,
- wherein the body (2) is made of concrete.
1 more element
A hollow sleeper (1) for use in railway tracks, comprising:
- a precast concrete body (2) having a U-shaped cross section including a base, and two legs extending upwardly from the base;
- a cavity (3) formed within the precast concrete body (2) between the base and the two legs, the cavity (3) being suitable for accommodating one or more of cables, switch drive mechanisms, equipment for track or train control, measuring devices, and supply lines;
- and
- a bearing surface (10) for rails formed on top of the legs,
- wherein the precast concrete body is made of glass fiber reinforced concrete, carbon fiber reinforced concrete, ceramic fiber reinforced concrete, or a mixture thereof.
2 more elements
Dependencies are inferred from the claim text.