(19)

(11)

EP 1 613 454 A1

(12)

(43) Date of publication: 11.01.2006 Bulletin 2006/02 (21) Application number: 04725473.5 (22) Date of filing: 02.04.2004

(51) International Patent Classification (IPC):  B28D 1/06(1968.09) B23D 51/14(1968.09) (86) International application number: PCT/IT2004/000172 (87) International publication number: WO 2004/089586 (21.10.2004 Gazette 2004/43)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 10.04.2003 IT LU20030005 (71) Applicant: Calistri, Michele 55047 Seravezza (IT)	(72) Inventor: Calistri, Michele 55047 Seravezza (IT) (74) Representative: Dragotti, Gianfranco et al Dragotti & Associati srl Via Turati 32 20121 Milano 20121 Milano (IT)