(19)

(11)

EP 2 567 038 A1

(12)

(43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 11724788.2 (22) Date of filing: 06.05.2011

(51) International Patent Classification (IPC):  E04B 1/348(2006.01) (86) International application number: PCT/IB2011/052007 (87) International publication number: WO 2011/148287 (01.12.2011 Gazette 2011/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 07.05.2010 IT TO20100384 (71) Applicant: Salis, Giorgio 09127 Cagliari (IT)	(72) Inventor: Salis, Giorgio 09127 Cagliari (IT) (74) Representative: Buzzi, Franco  Buzzi, Notaro & Antonielli d'Oulx Via Maria Vittoria 18 10123 Torino 10123 Torino (IT)