(19)
(11) EP 0 911 837 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.05.2000 Bulletin 2000/21

(43) Date of publication A2:
28.04.1999 Bulletin 1999/17

(21) Application number: 98203560.2

(22) Date of filing: 23.10.1998
(51) International Patent Classification (IPC)7: H01B 17/32
(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:
AL LT LV MK RO SI

(30) Priority: 24.10.1997 IT MI972407

(71) Applicant: ABB Research Ltd.
8050 Zürich (CH)

(72) Inventors:
  • Stangherlin, Silvio
    20052 Monza(Mi) (IT)
  • Guida, Cesare
    20122 Milano (IT)
  • Franchi, Claudio
    21047 Saronno(Va) (IT)
  • Catenacci, Andrea
    20123 Milano (IT)

(74) Representative: Giavarini, Francesco 
ABB Ricerca S.p.A. Viale Edison, 50
20099 Sesto San Giovanni (MI)
20099 Sesto San Giovanni (MI) (IT)

   


(54) Insulator for medium and high voltage electric lines


(57) Insulator for medium and high voltage electric lines comprising a supporting structural component for a plurality of ribs of insulating material characterised by the fact that said structural component is made as a single piece of high-performance thermoplastic polymeric material.






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