(19)
(11) EP 0 473 554 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.04.1992 Bulletin 1992/17

(43) Date of publication A2:
04.03.1992 Bulletin 1992/10

(21) Application number: 91830312.4

(22) Date of filing: 12.07.1991
(51) International Patent Classification (IPC)5: E01B 1/00, E01B 19/00
(84) Designated Contracting States:
AT BE DE ES FR GB NL SE

(30) Priority: 28.08.1990 IT 2130890

(71) Applicant: FIP INDUSTRIALE S.P.A.
I-35050 Selvazzano Dentro (Padova) (IT)

(72) Inventor:
  • Vendramini, Corrado, FIP INDUSTRIALE S.p.A.
    I-35030 Selvazzano Dentro (Padova) (IT)

(74) Representative: Cicogna, Franco 
Ufficio Internazionale Brevetti Dott.Prof. Franco Cicogna Via Visconti di Modrone, 14/A
20122 Milano
20122 Milano (IT)


(56) References cited: : 
   
       


    (54) Anti-vibration resilient insulation material for ballast supported railroad tracks


    (57) The present invention relates to an anti-vibration resilient insulation material for ballast supported railroad tracks, which comprises a resiliently yielding material layer (1) applied on a rigid supporting construction (3) and a load distributing layer (10) arranged between the resiliently yielding layer and a ballast material (2), which load distributing layer is suitable for evenly distributing the load of the overlaying ballast material.






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