The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 05, 2025
Filed:
Jan. 25, 2021
Thyssenkrupp Steel Europe Ag, Duisburg, DE;
Tobias Lewe, Münster, DE;
Karsten Machalitza, Mülheim an der Ruhr, DE;
Christian Wiethoff, Marl, DE;
Marco Tietz, Düsseldorf, DE;
Volker Kamen, Herne, DE;
Anne Hennig, Bönen, DE;
Dirk Schreier, Lauter-Bernsbach, DE;
ThyssenKrupp Steel Europe AG, Duisburg, DE;
Abstract
The invention relates to a method for producing a lamination stack, e.g. a stator package or a rotor package. The method comprises the following steps: A) providing a metal sheet () with an adhesive coating; B) transporting the metal sheet in an in-line system comprising a cutting means (), a separating means () and an activation means (); C) cutting a molded part () with the cutting means (); D) activating the adhesive coating; E) separating the molded part (); F) placing the molded part (); G) repeating steps C) to F), wherein the adhesive coating of some molded parts () is provided with a treatment fluid by means of a treatment device () in order to allow for target breaking points for separating a molded part stack ('). In some cases a subsequent compaction can be carried out by a compaction station (). The invention also relates to a lamination stack and an electric machine.