EP 2899317 B1 20180919 - Twin-block sleeper for ballastless slab track
Title (en)
Twin-block sleeper for ballastless slab track
Title (de)
Zweiblockschwelle für eine schotterlose feste Fahrbahn
Title (fr)
Traverse mixte pour chaussée rigide sans ballast
Publication
Application
Priority
ES 201430106 U 20140128
Abstract (en)
[origin: EP2899317A1] Twin-block sleeper for ballastless slab track, related to a railway sleeper of the type to be used in particular for ballastless track or (concrete) slab track and comprising two concrete blocks joined by a reinforcing steel frame, said blocks being provided with holes intended to house an fastening to secure a rail, preferably four holes which allow the sleeper to be used for two different track gauges, thus being multipurpose, and in any case with the particularity that said sleeper blocks have an improved structural configuration which provides significant advantages, both in their manufacturing and in their effectiveness for absorbing displacements and loads of the fastenings which support the rails, with respect to the systems currently known for such purpose
IPC 8 full level
CPC (source: EP)
E01B 1/004 (2013.01); E01B 3/28 (2013.01)
Citation (examination)
ES 2380963 A1 20120522 - TECSA EMPRESA CONSTRUCTORA SA [ES]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2899317 A1 20150729; EP 2899317 B1 20180919; ES 1103831 U 20140320; ES 1103831 Y 20140611; ES 2701754 T3 20190225; PT 2899317 T 20181224
DOCDB simple family (application)
EP 15382020 A 20150128; ES 15382020 T 20150128; ES 201430106 U 20140128; PT 15382020 T 20150128