(19)

(11)

EP 0 572 622 A1

(12)

(43) Date of publication: 08.12.1993 Bulletin 1993/49 (21) Application number: 93901036.0 (22) Date of filing: 16.12.1992

(51) International Patent Classification (IPC):  A63C 17/ 06( . ) (86) International application number: PCT/EP1992/002928 (87) International publication number: WO 1993/012847 (08.07.1993 Gazette 1993/16)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI NL (30) Priority: 20.12.1991 IT 1991TV00126 (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)