(19)
(11) EP 4 288 226 A1

(12)

(43) Date of publication:
13.12.2023 Bulletin 2023/50

(21) Application number: 22700686.3

(22) Date of filing: 21.01.2022
(51) International Patent Classification (IPC): 
B21D 26/033(2011.01)
B21D 53/10(2006.01)
F16K 5/06(2006.01)
 B21D 37/16(2006.01)
B21D 51/08(2006.01)
C21D 1/26(2006.01)
(52) Cooperative Patent Classification (CPC):
B21D 26/033; B21D 37/16; C21D 1/26; B21D 53/10; B21D 51/08; F16K 5/0605; F16K 5/0657; C21D 1/30; C21D 1/74; C21D 9/08; C21D 7/12
(86) International application number:
PCT/IB2022/050550
(87) International publication number:
WO 2022/167888 (11.08.2022 Gazette 2022/32)
(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
Designated Validation States:
KH MA MD TN

(30) Priority: 02.02.2021 IT 202100002219

(71) Applicant: Unifer S.r.l.
41034 Finale Emilia (MO) (IT)

(72) Inventors:
  • MARINO, Pietro
    41034 Finale Emilia (MO) (IT)
  • MORVILLE, Andrea
    41034 Finale Emilia (MO) (IT)

(74) Representative: Studio Torta S.p.A. 
Via Viotti, 9
10121 Torino
10121 Torino (IT)

   


(54) MANUFACTURING PROCESS OF SPHERICAL COMPONENTS BY HYDROFORMING, HYDROFORMING MACHINE FOR CARRYING OUT THE METHOD AND SPHERICAL COMPONENT