Under-ballast damping device for railroads

(19)

(11)

EP 1 321 577 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	07.04.2004 Bulletin 2004/15

(43)	Date of publication A2:
	25.06.2003 Bulletin 2003/26

(21)	Application number: 02025275.5

(22)	Date of filing: 13.11.2002

(51)	International Patent Classification (IPC)⁷: E01B 1/00, E01B 19/00

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

14.11.2001 IT MI20012404

(71)	Applicant: FIP INDUSTRIALE S.p.A.
	35030 Selvazzano Dentro (PD) (IT)

(72)	Inventor:
	De Toni, Silvio 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)

(54)	Under-ballast damping device for railroads

(57) An under-ballast damping device (1), specifically designed for railroads, comprising at least a flat element (2) made of an elastomeric material or a plastics material, comprising a substantially flat top surface (3) and a plurality of bottom ribs (4), defining cross recesses (5) for at least partially engaging therein respective damping section bars (6).

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