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:
Oct. 21, 2025
Filed:
Mar. 16, 2020
Systra, Paris, FR;
David Vian, Paris, FR;
Youcef Alloui, Merignac, FR;
Mathilde Le Guennec, Paris, FR;
Marcel Girardi, Ifs, FR;
Jérôme Olive, Paris, FR;
SYSTRA, Paris, FR;
Abstract
The invention relates to a ballastless track section for a rail vehicle, said section being fastened to a platform () and comprising: a prefabricated concrete track slab () comprising two stringers (); a rounded bearing surface (c,c) borne by an underside of each stringer at each longitudinal end and having a curvature, the center of curvature of which is the top of a rail (b,b) borne by the stringer; a prefabricated support pad () for supporting each longitudinal end of the slab () and comprising at least two support bases () for the two stringers of this longitudinal end of the slab, each base () comprising at least one shim (a,a) of predetermined thickness supporting said rounded bearing surface (c,c) of the stringer of said slab facing this base.