(19)

(11)

EP 1 792 020 A1

(12)

(43) Date of publication: 06.06.2007 Bulletin 2007/23 (21) Application number: 05769375.6 (22) Date of filing: 02.08.2005

(51) International Patent Classification (IPC):  E03C 1/23(2006.01) (86) International application number: PCT/IT2005/000466 (87) International publication number: WO 2006/027811 (16.03.2006 Gazette 2006/11)

(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 (30) Priority: 07.09.2004 IT BS20040094 (71) Applicant: Bonomini, Enio Luciano 25010 Borgosatollo (Brescia) (IT)	(72) Inventor: Bonomini, Enio Luciano 25010 Borgosatollo (Brescia) (IT) (74) Representative: Sangiacomo, Fulvia  BIESSE S.R.L., Corso Matteotti 42 25122 Brescia 25122 Brescia (IT)