US Patent 11791493 Button cells and method of producing same
Patent 11791493 was granted and assigned to VARTA on October, 2023 by the United States Patent and Trademark Office.
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US Patent 11791493 Button cells and method of producing same
Article
Patent abstract
A method for producing a button cell includes providing a cell cup, a cell top and an electrode-separator assembly winding, the electrode-separator assembly winding having a positive electrode and a negative electrode. An electrically insulating seal is applied at least to an outer portion of the cell top casing. The electrode-separator assembly winding is inserted into the cell top. The cell top is inserted into the cell cup to form a housing. A pressure is applied in a radial direction perpendicular to an axis of the electrode-separator assembly winding so as to seal the housing.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eduard Pytlik
Jürgen Lindner
Ulrich Barenthin
Winfried Gaugler
Date of Patent
October 17, 2023
Patent Application Number
16792420
Date Filed
February 17, 2020
Patent Citations
Patent Primary Examiner
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