(19)

(11)

EP 0 664 737 A1

(12)

(43) Date of publication: 02.08.1995 Bulletin 1995/31 (21) Application number: 92924856.0 (22) Date of filing: 19.11.1992

(51) International Patent Classification (IPC):  B23B 13/ 12( . ) B23B 31/ 20( . ) (86) International application number: PCT/IT1992/000145 (87) International publication number: WO 1994/008744 (28.04.1994 Gazette 1994/10)

(84) Designated Contracting States: CH DE ES FR GB LI (30) Priority: 16.10.1992 IT 1992MI02388 (71) Applicant: CLERICI, Gianfranco I-20161 Milano (IT)	(72) Inventor: CLERICI, Gianfranco I-20161 Milano (IT) (74) Representative: Filippi, Remo  Via Aldrovandi, 5 I-20129 Milano I-20129 Milano (IT)