(19)

(11)

EP 1 664 448 A1

(12)

(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04770784.9 (22) Date of filing: 08.09.2004

(51) International Patent Classification (IPC):  E04B 2/82(1968.09) B21D 47/00(1968.09) (86) International application number: PCT/IT2004/000485 (87) International publication number: WO 2005/024149 (17.03.2005 Gazette 2005/11)

(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: 10.09.2003 IT NA20030059 (71) Applicant: Guerrasio, Antonio 84086 Roccapiemonte (SA) (IT)	(72) Inventor: Guerrasio, Antonio 84086 Roccapiemonte (SA) (IT) (74) Representative: Cirillo, Gennaro  Brevetti Ing. Cirillo G. & C. SAS Via Santa Lucia 15 80132 Napoli 80132 Napoli (IT)