(19)
(11) EP 4 313 455 A1

(12)

(43) Date of publication:
07.02.2024 Bulletin 2024/06

(21) Application number: 22712081.3

(22) Date of filing: 24.03.2022
(51) International Patent Classification (IPC): 
B23B 31/20(2006.01)
(52) Cooperative Patent Classification (CPC):
B23B 31/20; B23B 2231/46; B23B 2231/2086; B23B 2226/33
(86) International application number:
PCT/IB2022/052712
(87) International publication number:
WO 2022/201092 (29.09.2022 Gazette 2022/39)
(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:
KH MA MD TN

(30) Priority: 26.03.2021 IT 202100007481

(71) Applicant: Chia-Mo S.r.l.
40011 Anzola dell'Emilia (BO) (IT)

(72) Inventors:
  • CHIARI, Luca
    40033 Casalecchio di Reno (Bologna) (IT)
  • CHIARI, Fabio
    40056 Valsamoggia (Bologna) (IT)

(74) Representative: Scipioni, Luca 
Bugnion S.p.A. Via di Corticella, 87
40128 Bologna
40128 Bologna (IT)

   


(54) CLAMPING CHUCK AND METHOD FOR MAKING A CLAMPING CHUCK