(19)

(11)

EP 1 032 487 A1

(12)

(43) Date of publication: 06.09.2000 Bulletin 2000/36 (21) Application number: 98937770.0 (22) Date of filing: 30.07.1998

(51) International Patent Classification (IPC)7: B24D 5/06, B24B 7/22, B24B 41/047 (86) International application number: PCT/IT9800/219 (87) International publication number: WO 9906/181 (11.02.1999 Gazette 1999/06)

(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: LT LV RO SI (30) Priority: 01.08.1997 IT MO970142 (71) Applicant: Pedrini, Luigi 24060 Carobbio Degli Angeli (Bergamo) (IT)	(72) Inventor: Pedrini, Luigi 24060 Carobbio Degli Angeli (Bergamo) (IT) (74) Representative: Gislon, Gabriele  Marietti e Gislon S.r.l.Via Larga, 16 20122 Milano 20122 Milano (IT)