(19)

(11)

EP 3 761 830 A1

(12)

(43) Date of publication: 13.01.2021 Bulletin 2021/02 (21) Application number: 19716585.5 (22) Date of filing: 08.03.2019

(51) International Patent Classification (IPC):  A47B 7/00(2006.01) A47B 13/02(2006.01) (86) International application number: PCT/IT2019/050051 (87) International publication number: WO 2019/171410 (12.09.2019 Gazette 2019/37)

(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: KH MA MD TN (30) Priority: 08.03.2018 IT 201800003386 (71) Applicant: Natisa S.r.l. 33040 Moimacco (IT)	(72) Inventors: IACUZZI, Roberto 33040 Moimacco (IT) BUSOLINI, Mauro 33043 Cividale del Friuli (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)