Global patent index - EP 0993525 A1

EP 0993525 A1 2000-04-19 - RAIL TRACK HAVING ENHANCED ABSORPTION OF VIBRATION AND SOUND

Title (en)

RAIL TRACK HAVING ENHANCED ABSORPTION OF VIBRATION AND SOUND

Title (de)

GLEIS MIT VERBESSERTER SCHALL- UND SCHWINGUNGSDÄMPFUNG

Title (fr)

VOIE FERREE AVEC ABSORPTION DES VIBRATIONS ET DES SONS AMELIOREE

Publication

EP 0993525 A1 (EN)

Application

EP 98931140 A

Priority

  • NL 9800368 W
  • NL 1006483 A

Abstract (en)

[origin: WO9901617A1] Rail track comprising at least two parallel rails (2) supported by a non-compressible base body (1), wherein the base body is provided with a channel-like recess for receiving the rail such that the running surface of the head of the rail lies free, wherein the bottom of the channel-like recess is provided with a first layer (9) of yielding material which extends under the bearing surface of the foot of the rail, and wherein the surface between the running surface and the bearing surface of the rail is covered with a second layer (10) of yielding material, so that an improved vibration damping and sound reduction are obtained.

IPC 1-7 (main, further and additional classification)

E01B 19/00; E01B 1/00; E01B 9/68

IPC 8 full level (invention and additional information)

E01B 1/00 (2006.01); E01B 2/00 (2006.01); E01B 19/00 (2006.01)

CPC (invention and additional information)

E01B 1/002 (2013.01); E01B 2/003 (2013.01); E01B 19/003 (2013.01); E01B 2204/11 (2013.01)

Citation (search report)

See references of WO 9901617A1

Designated contracting state (EPC)

AT BE DE ES FR GB IT NL

EPO simple patent family

WO 9901617 A1 19990114; AU 8133898 A 19990125; EP 0993525 A1 20000419; NL 1006483 C2 19990105; US 2001052550 A1 20011220

INPADOC legal status

2004-10-20 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20040414

2002-11-27 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20021011

2000-04-19 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991227

2000-04-19 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE DE ES FR GB IT NL