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Current content: 157 593 259 patent documents

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108 752 new documents added

1 451 440 documents amended

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EP 0945547 B1 20050126 - Sound insulation for railway tracks

Title (en)

Sound insulation for railway tracks

Title (de)

Vorrichtung zur Dämpfung von Schallemissionen an Gleisanlagen

Title (fr)

Dispositif anti-bruit pour voies de chemin de fer

Publication

EP 0945547 B1 20050126 (DE)

Application

EP 99104243 A 19990303

Priority

DE 19812481 A 19980321

Abstract (en)

[origin: EP0945547A1] The damper (10) outer surface (12) has a recessed structure (14). Over this, a taut covering (20) forms closed cavities (22).

IPC 1-7

E01B 19/00; E04B 1/86

IPC 8 full level

E01B 19/00 (2006.01); E04B 1/86 (2006.01); E04B 1/84 (2006.01)

CPC (source: EP)

E01B 19/003 (2013.01); E04B 1/86 (2013.01); E01B 2204/01 (2013.01); E01B 2204/11 (2013.01); E04B 2001/8461 (2013.01); E04B 2001/8476 (2013.01)

Designated contracting state (EPC)

AT CH FR LI

DOCDB simple family (publication)

EP 0945547 A1 19990929; EP 0945547 B1 20050126; AT E287989 T1 20050215; DE 19812481 A1 19990930; DE 19812481 C2 20020822; WO 9949134 A1 19990930

DOCDB simple family (application)

EP 99104243 A 19990303; AT 99104243 T 19990303; DE 19812481 A 19980321; EP 9901584 W 19990311