(19)

(11)

EP 0 961 642 A1

(12)

(43) Date of publication: 08.12.1999 Bulletin 1999/49 (21) Application number: 98909403.0 (22) Date of filing: 06.02.1998

(51) International Patent Classification (IPC):  A63C 17/ 00( . ) (86) International application number: PCT/EP1998/000659 (87) International publication number: WO 1998/037935 (03.09.1998 Gazette 1998/35)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 28.02.1997 IT 1997VE00013U (71) Applicant: ROCES S.r.l. I-31041 Montebelluna (IT)	(72) Inventor: CONTE, Gino I-31041 Montebelluna (IT) (74) Representative: Piovesana, Paolo  Corso del Popolo, 70 30172 Venezia-Mestre 30172 Venezia-Mestre (IT)