(19)

(11)

EP 0 516 784 A1

(12)

(43) Date of publication: 09.12.1992 Bulletin 1992/50 (21) Application number: 92901283.0 (22) Date of filing: 19.12.1991

(51) International Patent Classification (IPC):  A63C 17/ 00( . ) A63C 17/ 06( . ) (86) International application number: PCT/EP1991/002447 (87) International publication number: WO 1992/011908 (23.07.1992 Gazette 1992/19)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 28.12.1990 IT 19900040173 28.12.1990 IT 19900040175 (71) Applicant: NORDICA S.p.A I-31040 Trevignano (Treviso) (IT)	(72) Inventor: POZZOBON, Alessandro I-31050 Paderno di Ponzano Veneto (IT) (74) Representative: Modiano, Guido, Dr.-Ing.  Modiano & Associati S.r.l. Via Meravigli, 16 I-20123 Milano I-20123 Milano (IT)