(19)

(11)

EP 2 812 181 A1

(12)

(43) Date of publication: 17.12.2014 Bulletin 2014/51 (21) Application number: 13713235.3 (22) Date of filing: 07.02.2013

(51) International Patent Classification (IPC):  B31B 1/74(2006.01) (86) International application number: PCT/IB2013/051030 (87) International publication number: WO 2013/118080 (15.08.2013 Gazette 2013/33)

(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 Designated Extension States: BA ME (30) Priority: 07.02.2012 IT BO20120058 (71) Applicant: Ghelfi Ondulati S.p.A. 23010 Buglio in Monte (SO) (IT)	(72) Inventor: GHELFI, Giorgio Domenico I-23017 Morbegno (IT) (74) Representative: Boggio, Luigi et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)