(19)
(11) EP 3 328 567 A1

(12)

(43) Date of publication:
06.06.2018 Bulletin 2018/23

(21) Application number: 16750653.4

(22) Date of filing: 25.07.2016
(51) International Patent Classification (IPC): 
B21D 22/02(2006.01)
B21D 7/00(2006.01)
 B21D 53/88(2006.01)
(86) International application number:
PCT/EP2016/067679
(87) International publication number:
WO 2017/017062 (02.02.2017 Gazette 2017/05)
(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: 29.07.2015 EP 15178974

(71) Applicant: Constellium Singen GmbH
78224 Singen (DE)

(72) Inventors:
  • PFAENDER, Fabian
    78532 Tuttlingen (DE)
  • KONKEL, Paul
    78269 Volkertshausen (DE)
  • BADER, Alexander
    78224 Singen (DE)
  • KUTSCHER, Matthias
    78467 Konstanz (DE)
  • GENSTY, Frank
    88356 Ostrach (DE)

(74) Representative: Constellium - Propriété Industrielle 
C-TEC Constellium Technology Center Propriété Industrielle Parc Economique Centr'Alp 725, rue Aristide Bergès CS10027
38341 Voreppe
38341 Voreppe (FR)

   


(54) METHOD AND DEVICE FOR PRODUCING A FORMED HOLLOW PROFILE