EP 4121596 A1 20230125 - SUPPORT FOR RAILWAY TRACK RAILS
Title (en)
SUPPORT FOR RAILWAY TRACK RAILS
Title (de)
ABSTÜTZUNG FÜR EISENBAHNSCHIENEN
Title (fr)
SUPPORT DE RAILS DE CHEMIN DE FER
Publication
Application
Priority
- FR 2002703 A 20200319
- EP 2021057117 W 20210319
Abstract (en)
[origin: WO2021186048A1] Disclosed is a support (1) for railway track rails comprising a central core (2) of parallelepiped appearance, formed of at least two strips (3) of juxtaposed materials, of thickness (e), produced from solid wood or wood-based materials, and a protective casing (4) encasing the central core (2), the protective casing (4) being produced in one piece and being formed of a peripheral wall having at least two opposite upper (6) and lower (7) faces and two opposite lateral faces (8, 9), designed to be capable of matching at least the four longitudinal faces of the central core (2), as well as at least one internal partition (13) extending between the two opposite faces or two contiguous faces of the peripheral wall and defining, with the peripheral wall of the protective casing (4), at least two cells (14) each having a shape complementary to one strip (3) of the central core (2), the strips (3) comprising a plurality of slots formed through their thickness (e) and the slots of each strip being connected to the slots of the adjacent strips by pins made of plastic material filling the slots.
IPC 8 full level
E01B 3/46 (2006.01)
CPC (source: EP IL KR US)
E01B 3/46 (2013.01 - EP IL KR US); E01B 9/68 (2013.01 - KR); E01B 2204/01 (2013.01 - KR)
Citation (search report)
See references of WO 2021186048A1
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2021186048 A1 20210923; AU 2021238789 A1 20221020; AU 2021238789 B2 20240201; BR 112022018438 A2 20221101; CA 3171534 A1 20210923; CL 2022002497 A1 20230331; CN 115443360 A 20221206; EP 4121596 A1 20230125; EP 4121596 B1 20231101; EP 4121596 C0 20231101; ES 2970560 T3 20240529; FR 3108344 A1 20210924; FR 3108344 B1 20221230; HR P20240126 T1 20240412; HU E065020 T2 20240428; IL 296061 A 20221001; JP 2023517967 A 20230427; KR 20230004499 A 20230106; MX 2022011444 A 20221215; PE 20221877 A1 20221202; PL 4121596 T3 20240325; RS 65206 B1 20240329; US 2023095797 A1 20230330
DOCDB simple family (application)
EP 2021057117 W 20210319; AU 2021238789 A 20210319; BR 112022018438 A 20210319; CA 3171534 A 20210319; CL 2022002497 A 20220913; CN 202180023163 A 20210319; EP 21713011 A 20210319; ES 21713011 T 20210319; FR 2002703 A 20200319; HR P20240126 T 20210319; HU E21713011 A 20210319; IL 29606122 A 20220830; JP 2022554586 A 20210319; KR 20227036079 A 20210319; MX 2022011444 A 20210319; PE 2022001964 A 20210319; PL 21713011 T 20210319; RS P20240101 A 20210319; US 202117906046 A 20210319