(19)

(11)

EP 1 771 631 A1

(12)

(43) Date of publication: 11.04.2007 Bulletin 2007/15 (21) Application number: 05770878.6 (22) Date of filing: 22.07.2005

(51) International Patent Classification (IPC):  E04G 21/12(2006.01) B21F 15/00(2006.01) B65B 13/28(2006.01) (86) International application number: PCT/EP2005/008034 (87) International publication number: WO 2006/010569 (02.02.2006 Gazette 2006/05)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 27.07.2004 IT VI20040188 (71) Applicant: Verlato, Giuseppe 36077 Altavilla Vicentina (IT)	(72) Inventor: Verlato, Giuseppe 36077 Altavilla Vicentina (IT) (74) Representative: Bettello, Pietro  Via Col d'Echele, 25 36100 Vicenza 36100 Vicenza (IT)