Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Dreyer0
Salvatore Cardillo0
J. Kevin Whear0
Eric H. Miller0
Date of Patent
March 26, 2013
0Patent Application Number
127688210
Date Filed
April 28, 2010
0Patent Primary Examiner
Patent abstract
A battery separator for a lead acid (storage) battery is made from a thermoplastic sheet material. The sheet material has a central region flanked by peripheral regions. The central region includes a plurality of longitudinally extending ribs that are integrally formed from the sheet material. The peripheral regions are free of ribs and may include a densified structure. Also disclosed are a method of producing the foregoing separator, an envelope separator made from the sheet material, and a method of making the envelope separator.
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