US 12,348,091 B2
Method for producing a stack of metal sheets for an electric motor
Magnus Reichert, Reutlingen (DE); Michael Schaich, Metzingen (DE); Florian Haßler, Eningen u.A. (DE); Fabienne Anhorn, Reutlingen (DE); Wojtek Kolasinski, Reutlingen (DE); and Peter Braun, Nürtingen (DE)
Assigned to ElringKlinger AG, Dettingen (DE)
Filed by ElringKlinger AG, Dettingen (DE)
Filed on Mar. 3, 2022, as Appl. No. 17/685,872.
Application 17/685,872 is a continuation of application No. PCT/EP2020/075155, filed on Sep. 9, 2020.
Claims priority of application No. 10 2019 213 659.1 (DE), filed on Sep. 9, 2019.
Prior Publication US 2022/0271635 A1, Aug. 25, 2022
Int. Cl. H02K 15/12 (2025.01); H01F 3/02 (2006.01); H02K 1/04 (2006.01); H02K 9/19 (2006.01); H02K 15/02 (2006.01)
CPC H02K 15/12 (2013.01) [H01F 3/02 (2013.01); H02K 1/04 (2013.01); H02K 9/19 (2013.01); H02K 15/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. Method for producing a stack of metal sheets, wherein the method comprises the following:
coating one or more metal sheets with a bonding substance;
bonding multiple metal sheets to form a sheet-metal laminate by a first activation of the bonding substance;
cutting up the sheet-metal laminate to produce multiple sheet-metal laminate units and/or cutting out multiple sheet-metal laminate units from the sheet-metal laminate; and
bonding the multiple sheet-metal laminate units to form a stack of metal sheets by a second activation of the bonding substance,
wherein the bonding substance comprises a resin material and an elastomer material.