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AssigneeThe Gillette Company
InventorsRobert Yoppolo, Richard Durkot, Daniel Allen, James Cervera, Oleg Podoprigora
Estimating the term…
And end cap assembly and venting system therein for closing and sealng the open end of a cell housing. The end cap assembly comprises a sealing disk underlying an end cap, and a metal support disk between the end cap and the sealing disk. The metal support disk has a plurality of primary vent apertures and a plurality of secondary vent apertures through its surface. The primary vent apertures are spaced apart along a path located at a greater distance from the central longitudinal axis of the metal support disk than the secondary vent apertures. The insulating sealing disk may have a thinned portion therein forming an rupturable membrane circumventing the central hub of the sealing disk. The insulating sealing disk may have protrusions emanating from its top surface to deflect the membrane during rupture. The venting system releases internal gases rapidly from the cell in the event of an abusive or short circuit discharge.
A primary electrochemical cell comprising a negative and a positive terminal and an outer housing having a closed end and opposing open end, and an end cap assembly inserted therein closing said housing, wherein
A primary electrochemical cell having a housing, a positive and a negative terminal, an anode comprising zinc, a cathode comprising nickel oxyhydroxide, and an alkaline electrolyte, said housing having a body with a closed end and opposing open end, and an end cap assembly sealing the open end of said housing;
A primary electrochemical cell comprising a housing, a positive and a negative terminal, an anode comprising zinc, a cathode comprising nickel oxyhydroxide, and an alkaline electrolyte, said housing having a body with a closed end and opposing open end, and an end cap assembly sealing the open end of said housing, said cell further comprising:
Dependencies are inferred from the claim text.