(19)
(11) EP 4 256 901 A1

(12)

(43) Date of publication:
11.10.2023 Bulletin 2023/41

(21) Application number: 21810437.0

(22) Date of filing: 16.11.2021
(51) International Patent Classification (IPC): 
H05B 3/16(2006.01)
(52) Cooperative Patent Classification (CPC):
H05B 3/16; H05B 2203/022
(86) International application number:
PCT/IB2021/060581
(87) International publication number:
WO 2022/118122 (09.06.2022 Gazette 2022/23)
(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: 04.12.2020 IT 202000030059

(71) Applicant: Gamma S.p.A.
29022 Bobbio (PC) (IT)

(72) Inventors:
  • LAVENI, Pierpaolo
    29121 Piacenza (IT)
  • CASTELLI, Renzo
    29020 Cerignale (Piacenza) (IT)
  • FERRI, Daniele
    29022 Bobbio (Piacenza) (IT)
  • RE, Renzo
    29024 Ferriere (Piacenza) (IT)

(74) Representative: Zermani Biondi Orsi, Umberto 
Bugnion S.p.A. Viale Lancetti, 17
20158 Milano
20158 Milano (IT)

   


(54) A METHOD AND PIECE OF EQUIPMENT FOR MANUFACTURING AN AIR HEATING DEVICE, AS WELL AS THE AIR HEATING DEVICE