Patents Represented by Attorney Stewart A. Fraser

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  • Alkaline cell with gel type anode having centrally disposed gelling agent absorbent
    Patent number: 5962163
    Abstract: An alkaline cell having an anode with a solid particle gelling agent centrally disposed therein for increasing concentration of zinc powder closer to the separator and cathode. The anode initially contains zinc powder, gelling agent and electrolyte solution. A dry solid gelling agent, preferably configured as a cylindrical rod, is disposed into a gel anode and allowed to absorb electrolyte solution, the rod thereby swelling in size to consume greater volume while concentrating the zinc powder toward the separator.
    Type: Grant
    Filed: August 27, 1997
    Date of Patent: October 5, 1999
    Assignee: Eveready Battery Company, Inc.
    Inventor: Lewis F. Urry
  • Snap-through gasket for galvanic cells
    Patent number: 5932371
    Abstract: An electrochemical cell containing a snap-through sealing gasket that has a compressive preloading on a selected area of the snap-through gasket to prevent premature venting of the cell.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: August 3, 1999
    Assignee: Eveready Battery Company, Inc.
    Inventor: Gary R. Tucholski
  • V-shaped gasket for galvanic cells
    Patent number: 5925478
    Abstract: An electrochemical cell containing a V-shaped gasket for sealing the cell and preferably the gasket has a compressive preloading on a selected area of the gasket to prevent premature venting of the cell.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: July 20, 1999
    Assignee: Eveready Battery Company, Inc.
    Inventor: Gary R. Tucholski