Global Patent Index - EP 1229167 A2

EP 1229167 A2 20020807 - Sound absorbing construction for track

Title (en)

Sound absorbing construction for track

Title (de)

Schalldämpfender Aufbau für Eisenbahngleise

Title (fr)

Construction absorbant les sons pour voies ferroviaires

Publication

EP 1229167 A2 20020807 (EN)

Application

EP 01128191 A 20011127

Priority

JP 2001025136 A 20010201

Abstract (en)

The sound absorbing construction for track which reduces a noise generated from a portion under the floor of a vehicle, of noises generated from a track, is characterized in that a thin sound absorbing plate (1) with a high impact strength is provided on a track close to the sound source or near a track. <IMAGE>

IPC 1-7

E01B 19/00; E01B 1/00

IPC 8 full level

E01F 8/00 (2006.01); C04B 41/88 (2006.01); E01B 2/00 (2006.01); E01B 19/00 (2006.01)

CPC (source: EP)

E01B 2/00 (2013.01); E01B 19/003 (2013.01)

Designated contracting state (EPC)

DE FR NL

DOCDB simple family (publication)

EP 1229167 A2 20020807; EP 1229167 A3 20030514; EP 1229167 B1 20050202; CN 1149317 C 20040512; CN 1368580 A 20020911; DE 60108721 D1 20050310; DE 60108721 T2 20060112; JP 2002227144 A 20020814; JP 3505588 B2 20040308; TW 593844 B 20040621

DOCDB simple family (application)

EP 01128191 A 20011127; CN 01143599 A 20011213; DE 60108721 T 20011127; JP 2001025136 A 20010201; TW 90129983 A 20011204