(19)

(11)

EP 2 809 865 A1

(12)

(43) Date of publication: 10.12.2014 Bulletin 2014/50 (21) Application number: 13712341.0 (22) Date of filing: 30.01.2013

(51) International Patent Classification (IPC):  E06B 3/673(2006.01) E06B 3/677(2006.01) (86) International application number: PCT/IB2013/050797 (87) International publication number: WO 2013/114302 (08.08.2013 Gazette 2013/32)

(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: 30.01.2012 IT TO20120076 (71) Applicant: Bottero S.p.A. Cuneo (IT)	(72) Inventors: BALBI, Mario I-12100 Cuneo (IT) BERTONCELLO, Oriano I-35018 San Martino Di Lupari (IT) (74) Representative: Boggio, Luigi et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)