Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 31, 2011
Patent Application Number
12519651
Date Filed
December 3, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
The method for producing a battery can according to this invention includes the steps of: (1) producing a battery can having a cylindrical side wall, a bottom, and an opening from a steel plate by a can-making process; (2) washing the battery can with tap water or industrial water; (3) washing the battery can with water having a conductivity of 80 μS/cm or less after the step (2); and (4) drying the battery can after the step (3).
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