Global Patent Index - EP 2374931 B1

EP 2374931 B1 20170322 - Refurbishment method for multi-layer substructure of rail sections

Title (en)

Refurbishment method for multi-layer substructure of rail sections

Title (de)

Sanierverfahren für den mehrschichtigen Unterbau bei Bahnstrecken

Title (fr)

Procédé d'assainissement pour la sous-structure multicouche de voies ferrées

Publication

EP 2374931 B1 20170322 (DE)

Application

EP 11002612 A 20110330

Priority

DE 102010013562 A 20100331

Abstract (en)

[origin: EP2374931A2] The method involves providing a substructure having a crushed stone layer (11) and soil layers (10), and expanding the crushed stone layer, where new crushed stones are installed for the new crushed stone layer. The soil layer is expanded using a lifting device (8). New soil material is installed for the new soil layers.

IPC 8 full level

E01B 27/06 (2006.01); E01B 27/08 (2006.01); E01B 27/10 (2006.01); E01B 27/11 (2006.01)

CPC (source: EP)

E01B 27/06 (2013.01); E01B 27/08 (2013.01); E01B 27/105 (2013.01); E01B 27/11 (2013.01)

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 2374931 A2 20111012; EP 2374931 A3 20150114; EP 2374931 B1 20170322

DOCDB simple family (application)

EP 11002612 A 20110330