Patents Assigned to EXIDE TECHNOLOGIES, LLC
  • Patent number: 10601025
    Abstract: A method of making battery plates for lead-acid batteries includes providing a strip of material comprising lead; and punching material out of the strip to form a grid comprising wires having a non-rectangular cross-sectional shape by utilizing a die set comprising a plurality of male die components and female die components, wherein each of the male die components comprises a first portion having a first cross-sectional shape and a second portion having a second-cross sectional shape. A single punch of the material creates a hole in the material and also forms the periphery of the hole.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: March 24, 2020
    Assignee: EXIDE TECHNOLOGIES, LLC
    Inventors: Xiangjun Wang, Hongbo Zhang, David Robert Mihara, John Harold Miller, Joel Thomas Charlton, Jimmy Lee Stewart