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:
Jan. 22, 2019
Filed:
Feb. 21, 2013
Applicant:
Daramic Llc, Charlotte, NC (US);
Inventors:
J. Kevin Whear, Utica, KY (US);
Eric H. Miller, Philpot, KY (US);
Salvatore Cardillo, Turckheim, FR;
Daniel Dreyer, Mackenheim, FR;
Assignee:
Daramic, LLC, Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/18 (2006.01); H01M 2/14 (2006.01); H01M 2/16 (2006.01);
U.S. Cl.
CPC ...
H01M 2/18 (2013.01); H01M 2/145 (2013.01); H01M 2/162 (2013.01); H01M 2/166 (2013.01); H01M 2/1633 (2013.01); H01M 2/1653 (2013.01); Y10T 156/1039 (2015.01);
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.