(19)

(11)

EP 1 171 670 A1

(12)

(43) Date of publication: 16.01.2002 Bulletin 2002/03 (21) Application number: 00918879.8 (22) Date of filing: 14.04.2000

(51) International Patent Classification (IPC)7: E02F 5/12 (86) International application number: PCT/EP0003/358 (87) International publication number: WO 0063/500 (26.10.2000 Gazette 2000/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: RO SI (30) Priority: 19.04.1999 EP 99830226 24.05.1999 US 135649 P (71) Applicant: PIRELLI CAVI E SISTEMI S.p.A. 20126 Milano (IT)	(72) Inventors: MAGNANI, Francesco I-27100 Pavia (IT) GENOVESI, Mario I-26100 Cremona (IT) CASLINI, Danilo I-24030 Caprino Bergamasco (IT) (74) Representative: Tansini, Elio Fabrizio  c/o Bugnion S.p.A. Viale Lancetti, 19 20158 Milano 20158 Milano (IT)