(19)

(11)

EP 2 681 373 A1

(12)

(43) Date of publication: 08.01.2014 Bulletin 2014/02 (21) Application number: 12710544.3 (22) Date of filing: 23.02.2012

(51) International Patent Classification (IPC):  E04B 5/19(2006.01) (86) International application number: PCT/IB2012/000327 (87) International publication number: WO 2012/117285 (07.09.2012 Gazette 2012/36)

(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: 28.02.2011 IT PN20110011 (71) Applicant: Pontarolo Engineering S.p.a. 33078 San Vito al Tagliamento (IT)	(72) Inventors: PONTAROLO, Valerio I-33073 Cordovado (PN) (IT) PONTAROLO, Luca I-33073 Cordovado (PN) (IT) (74) Representative: Di Gennaro, Sergio  Barzanò & Zanardo Milano S.p.A. Corso Vittorio Emanuele II, 61 10128 Torino 10128 Torino (IT)