(19)

(11)

EP 1 144 164 A1

(12)

(43) Date of publication: 17.10.2001 Bulletin 2001/42 (21) Application number: 99946423.3 (22) Date of filing: 26.08.1999

(51) International Patent Classification (IPC)7: B25C 11/02 (86) International application number: PCT/IT9900/275 (87) International publication number: WO 0044/532 (03.08.2000 Gazette 2000/31)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 28.01.1999 IT MI990054 U (71) Applicant: BALMA, CAPODURI & C. S.p.A. I-27058 Voghera (Pavia) (IT)	(72) Inventor: BALMA, Giorgio I-27058 Voghera (IT) (74) Representative: Cicogna, Franco  Ufficio Internazionale BrevettiDott.Prof. Franco CicognaVia Visconti di Modrone, 14/A 20122 Milano 20122 Milano (IT)