RAILROAD SLEEPER AND PROCESS FOR MANUFACTURING A RAILROAD SLEEPER
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United States of America Patent
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Issued Date -
Aug 10, 2023
app pub date -
Apr 13, 2023
filing date -
Nov 11, 2014
priority date (Note) -
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Abstract
A railroad sleeper (1) for fixation of at least a pair of rails (2,2′) of a railroad network is provided, including a contact surface (3), wherein each rail of the pair of rails (2,2′) is fixed spaced apart from each other, the railroad sleeper (1) being configured by including a hollow sector (4) delimited by association of the contact surface (3) with the anchorage walls (5,5′), thus establishing a free portion (17) adjacent to the anchorage walls (5,5′) and opposite the contact surface (3). An embodiment in which the hollow sector (4) of the railroad sleeper is delimited by a support surface and the process of manufacturing a railroad sleeper is also provided.
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