(19)

(11)

EP 0 259 433 A1

(12)

(43) Date of publication: 16.03.1988 Bulletin 1988/11 (21) Application number: 87901609.0 (22) Date of filing: 02.02.1987

(51) International Patent Classification (IPC):  B26F 1/ 20( . ) (86) International application number: PCT/IT1987/000008 (87) International publication number: WO 1987/004658 (13.08.1987 Gazette 1987/18)

(84) Designated Contracting States: BE CH DE FR GB LI SE (30) Priority: 03.02.1986 IT 19860047614 (71) Applicant: Lenzi, Mauro I-56100 Pisa (IT)	(72) Inventor: Lenzi, Mauro I-56100 Pisa (IT) (74) Representative: Massari, Marcello  Studio M. Massari S.r.l. 23, Via Fontanella Borghese I-00186 Roma I-00186 Roma (IT)