(19)

(11)

EP 2 555 663 A1

(12)

(43) Date of publication: 13.02.2013 Bulletin 2013/07 (21) Application number: 11730434.5 (22) Date of filing: 06.04.2011

(51) International Patent Classification (IPC):  A47L 15/42(2006.01) (86) International application number: PCT/IB2011/051473 (87) International publication number: WO 2011/125027 (13.10.2011 Gazette 2011/41)

(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: 08.04.2010 IT TO20100267 (71) Applicant: Bitron S.p.A. 10122 Torino (TO) (IT)	(72) Inventor: BRIGNONE, Enzo I-12025 FRAZ. MONASTERO DRONERO (Cuneo) (IT) (74) Representative: Gerbino, Angelo et al Jacobacci & Partners S.p.A. Corso Emilia 8 10152 Torino 10152 Torino (IT)