(19)
(11) EP 4 263 881 A1

(12)

(43) Date of publication:
25.10.2023 Bulletin 2023/43

(21) Application number: 21839334.6

(22) Date of filing: 20.12.2021
(51) International Patent Classification (IPC): 
C21D 1/30(2006.01)
C21D 9/00(2006.01)
H01F 41/02(2006.01)
H02K 15/03(2006.01)
B21D 28/22(2006.01)
C21D 1/767(2006.01)
C21D 1/34(2006.01)
 C21D 8/12(2006.01)
C21D 1/28(2006.01)
H02K 15/02(2006.01)
C21D 1/74(2006.01)
B21D 35/00(2006.01)
C21D 1/42(2006.01)
C21D 1/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C21D 8/1294; C21D 9/0068; C21D 2221/02; C21D 2261/00; C21D 1/34; C21D 1/42; C21D 1/04; H01F 41/024; C21D 8/1244; C21D 1/30; C21D 1/767; H02K 15/03; H02K 15/024; B21D 28/22; B21D 35/007; C21D 1/28; Y02P 10/25
(86) International application number:
PCT/EP2021/025512
(87) International publication number:
WO 2022/128162 (23.06.2022 Gazette 2022/25)
(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: 20.12.2020 WO PCT/EP2020/025593

(71) Applicant: Robert Bosch GmbH
70442 Stuttgart (DE)

(72) Inventors:
  • BRANDSMA, Arjen
    5000AM Tilburg (NL)
  • JANSEN, Gert
    5000AM Tilburg (NL)
  • SPIJKERS, Bram
    5000AM Tilburg (NL)
  • LENDERINK, Jan-Willem
    5000AM Tilburg (NL)
  • ALEXANDROV, Oleg
    5000AM Tilburg (NL)

(74) Representative: Plevier, Gabriël Anton Johan Maria 
Bosch Transmission Technology B.V. (Engineering dept.; Patent Counsel) Postbus 500
5000 AM Tilburg
5000 AM Tilburg (NL)

   


(54) ANNEALING HEAT TREATMENT FOR A BLANKED METAL PART OR A LAMINATION OF BLANKED METAL PARTS