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Low Z-fold battery seal

  • US 9,812,680 B2
  • Filed: 08/30/2012
  • Issued: 11/07/2017
  • Est. Priority Date: 08/30/2012
  • Status: Expired due to Fees
First Claim
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1. A battery assembly comprising:

  • a battery element for storing electrical energy;

    a battery case comprising first and second casing portions formed about the battery element, the first and second casing portions defining first and second major surfaces of the battery case;

    a seal structure for sealing the battery case about the battery element, the seal structure comprising a bond between the first and second casing portions, the bond extending along a side of the battery case, the side extending between the first and second major surfaces;

    a fold in the seal structure, wherein the fold positions the seal structure against the side of the battery case in a substantially perpendicular orientation with respect to the first and second major surfaces;

    a protective wrap positioned about the battery case;

    a first adhesive detachably coupling the protective wrap to the battery case and having a first bonding strength; and

    a second adhesive detachably coupling a first portion of the protective wrap to a second portion of the protective wrap and having a second bonding strength greater than the first bonding strength.

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