Global Patent Index - EP 0697044 A1

EP 0697044 A1 19960221 - USE OF A RUBBER MIXTURE TO PRODUCE AN ELASTIC SOLE, ESPECIALLY A RAIL CUSHION

Title (en)

USE OF A RUBBER MIXTURE TO PRODUCE AN ELASTIC SOLE, ESPECIALLY A RAIL CUSHION

Title (de)

VERWENDUNG EINER KAUTSCHUKMISCHUNG ZUR HERSTELLUNG EINER ELASTISCHEN ZWISCHENLAGE, INSBESONDERE SCHIENENUNTERLAGE

Title (fr)

UTILISATION D'UN MELANGE DE CAOUTCHOUCS POUR LA FABRICATION D'UNE COUCHE INTERMEDIAIRE ELASTIQUE, EN PARTICULIER D'UNE SELLE DE RAIL

Publication

EP 0697044 A1 19960221 (DE)

Application

EP 95910394 A 19950215

Priority

  • DE 9500186 W 19950215
  • DE 4405294 A 19940219

Abstract (en)

[origin: DE19504937A1] The use of a rubber mixt. (I) for the prodn. of an elastic spacer (3), esp. for use between rails (2) and sleepers (6) on high-speed track, is claimed. Mixt. (I) is based on natural rubber (NR), epoxidised NR, isoprene (IR), butadiene (BR), acrylate, styrene-butadiene (SBR) rubber or blends thereof, pref. NR/SBR or NR/BR blends, and normal additives such as fillers, plasticisers, antioxidants, etc..The bottom (5) of the insert (3), which is in contact with (6), is provided with groove(s) (8, 10, 11, 15, 17) to form an edge (9, 13) round the insert, and the upper surface (4) in contact with the bottom of the rail is flat and level.

IPC 1-7

E01B 9/68; E02D 27/44; F16F 1/377

IPC 8 full level

C08L 7/00 (2006.01); C08L 21/00 (2006.01); E01B 9/68 (2006.01); F16F 1/377 (2006.01)

CPC (source: EP US)

E01B 9/683 (2013.01 - EP US); F16F 1/377 (2013.01 - EP US)

Citation (search report)

See references of WO 9522659A1

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

DE 19504937 A1 19950824; EP 0697044 A1 19960221; JP H08509533 A 19961008; US 5735457 A 19980407; WO 9522659 A1 19950824

DOCDB simple family (application)

DE 19504937 A 19950215; DE 9500186 W 19950215; EP 95910394 A 19950215; JP 52150495 A 19950215; US 54984496 A 19960226