EP 2670912 A1 20131211 - ACOUSTIC BAFFLE, ESPECIALLY FOR PLACEMENT IN THE RAILWAY ZONE, AND ESCAPE STAIRS FOR THE ACOUSTIC BAFFLE
Title (en)
ACOUSTIC BAFFLE, ESPECIALLY FOR PLACEMENT IN THE RAILWAY ZONE, AND ESCAPE STAIRS FOR THE ACOUSTIC BAFFLE
Title (de)
AKUSTISCHES ABSCHIRMSYSTEM, INSBESONDERE ZUM EINSATZ IN EINER SCHIENENZONE, UND FLUCHTTREPPE FÜR DAS AKUSTISCHE ABSCHIRMSYSTEM
Title (fr)
DÉFLECTEUR ACOUSTIQUE, EN PARTICULIER POUR UN POSITIONNEMENT DANS LA ZONE FERROVIAIRE, ET ESCALIERS DE SECOURS SUR LE DÉFLECTEUR ACOUSTIQUE
Publication
Application
Priority
- PL 39381711 A 20110201
- PL 39380711 A 20110201
- PL 39381211 A 20110201
- PL 2012000006 W 20120130
Abstract (en)
[origin: WO2012105860A1] Acoustic baffle, especially for placement in the railway zone, a unit for implementation of the acoustic baffle panel rotation, and escape stairs for the acoustic baffle, the baffle having the form of a set of panels (1) forming a shaped block with envelope walls, wherein a panel (1) has the main surface (2) forming a curved shape and with a top edge to be situated approximately at the height of the lower edge of the car body, and placed on at least three supports (3), (4), each of them connected, in the zone opposite to the connection with panel (1), to a pipe (6), which is mounted on piles preferably micropiles (7 ) parallel to the axis of the rail, whereas the structure can be connected with a hydraulic actuator (11). Optionally, stairs can be placed between the individual segments of the acoustic baffle, wherein they are formed by two shaped plates (21), between which steps (22) are placed, connected with a rear wall (23), to which a support with installed stairs (24) is mounted, which in the zone opposite to the rear wall (23) is connected to the main pipe (6).
IPC 8 full level
E01B 19/00 (2006.01); E01F 8/00 (2006.01)
CPC (source: EP)
E01F 8/0029 (2013.01); E01F 8/007 (2013.01)
Citation (search report)
See references of WO 2012105860A1
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)
DOCDB simple family (application)
PL 2012000006 W 20120130; EP 12709711 A 20120130