(19)

(11)

EP 3 303 677 A1

(12)

(43) Date of publication: 11.04.2018 Bulletin 2018/15 (21) Application number: 16721225.7 (22) Date of filing: 22.03.2016

(51) International Patent Classification (IPC):  D06B 3/28(2006.01) F26B 13/20(2006.01) D06C 19/00(2006.01) (86) International application number: PCT/IB2016/051621 (87) International publication number: WO 2016/151492 (29.09.2016 Gazette 2016/39)

(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 Designated Validation States: MA MD (30) Priority: 22.03.2015 IT PO20150006 (71) Applicant: Biancalani S.R.L. 59100 Prato (IT)	(72) Inventors: BIANCALANI, Massimo 59100 Prato (IT) RAVAGLI, Riccardo 51100 Pistoia (IT) (74) Representative: Martini, Riccardo  Brema SRL Piazza Enriquez, 22/c 47891 Dogana 47891 Dogana (SM)