Patent ID: 11949060
Assignee: ENERGIZER BRANDS, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. A method of assembly for a button cell battery, the button cell battery comprising an active core, an inner casing defining an upper cavity, an outer casing defining a lower cavity, and a grommet that is configured to separate the active core from the outer casing, the grommet comprising an opening disposed in a bottom wall of the grommet where the bottom wall of the grommet is solid other than the opening, and a sidewall attached to an extending upwards relative to an outer periphery of the bottom wall of the grommet, the method comprising:
inserting the active core into one of the upper cavity and the lower cavity, the active core comprising a stack, the stack comprising a first electrode and a second electrode;
inserting a tab through the opening in the grommet, wherein the opening is a rectangular slot positioned a distance from a central axis of the grommet, and wherein a first end of the tab is attached to one of the first electrode and the second electrode;
fitting the inner casing to the outer casing, wherein the grommet separates the inner casing from the outer casing;
sealing the inner casing and the outer casing with the grommet sidewall;
insulating the inner casing from the outer casing with the grommet sidewall; and
insulating the core from the outer casing with the grommet bottom wall.