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AssigneeBraskem S.A.
InventorsGuilherme Longa Nose, Daniel Wenzer Trevizan, Luiz Francisco Muniz da Silva, Jorge Luis Goudene Spada, Claudio Pereira da Silva Zamith, Walter Vidon Junior, Renato Teixeira Vargas
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A railroad sleeper (1) for fixation of at least a pair of rails (2,2′) of a railroad network is disclosed, 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 disclosed.
A railroad sleeper (1) for fastening of at least one pair of rails (2,2′) of a railroad network, the railroad sleeper (1) comprising a top side 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) comprising a hollow sector (4) under the top side, thus establishing a free portion (17) adjacent to anchorage walls (5.5′) and opposite the contact surface (3), wherein the top side and the anchorage walls (5, 5′) include an intermediate layer (15) of the railroad sleeper (1), the intermediate layer being an inner layer located between an inner wall (13) and an outer wall (14) of the railroad sleeper, so that:
Dependencies are inferred from the claim text.