The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2025
Filed:
Apr. 13, 2023
Braskem S.a., Camaçari, BR;
Guilherme Longa Nose, Sao Paulo, BR;
Daniel Wenzer Trevizan, Sao Paulo, BR;
Luiz Francisco Muniz Da Silva, Sao Paulo, BR;
Jorge Luís Goudene Spada, Sao Paulo, BR;
Cláudio Pereira Da Silva Zamith, Sao Paulo, BR;
Walter Vidon Júnior, Sao Paulo, BR;
Renato Teixeira Vargas, Sao Paulo, BR;
Braskem S.A., Camaçari, BR;
Abstract
A railroad sleeper () for fixation of at least a pair of rails () of a railroad network is provided, including a contact surface (), wherein each rail of the pair of rails () is fixed spaced apart from each other, the railroad sleeper () being configured by including a hollow sector () delimited by association of the contact surface () with the anchorage walls (), thus establishing a free portion () adjacent to the anchorage walls () and opposite the contact surface (). An embodiment in which the hollow sector () of the railroad sleeper is delimited by a support surface and the process of manufacturing a railroad sleeper is also provided.