(19)

(11)

EP 2 029 834 A1

(12)

(43) Date of publication: 04.03.2009 Bulletin 2009/10 (21) Application number: 07790137.9 (22) Date of filing: 07.06.2007

(51) International Patent Classification (IPC):  E04G 21/12(2006.01) (86) International application number: PCT/IT2007/000405 (87) International publication number: WO 2007/141822 (13.12.2007 Gazette 2007/50)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 07.06.2006 IT VI20060170 19.04.2007 IT VI20070118 (71) Applicant: Revelin Evaristo & Figli SNC 36033 Isola Vicentina (VI) (IT)	(72) Inventors: REVELIN, Evaristo 36033 Isola Vicentina (VI) (IT) REVELIN, Diego 36033 Isola Vicentina (VI) (IT) (74) Representative: Bonini, Ercole  Corso Fogazzaro, 8 36100 Vicenza 36100 Vicenza (IT)