Closure vent seal and assembly

Details Closure vent seal and assembly Closure vent seal and assembly

H - Electricity

01

M

H01M 2/04 (2006.01) H01M 2/12 (2006.01)

Patent

CA 2653388

A closure assembly and rupturable vent seal adapted for use in an electrochemical battery cell is disclosed. The vent seal includes a series of peripheral projections that can be folded to insure proper sealing of the vent without wrinkles or overlapping folded portions. Methods of accomplishing the invention are also contemplated.

L'invention concerne un assemblage de fermeture et un opercule d'orifice pouvant être rompu conçus pour l'utilisation dans une batterie électrochimique. L'opercule d'orifice comprend une série d'extensions périphériques qui peuvent être pliées pour garantir une bonne étanchéité de l'orifice sans plis ni superposition des parties pliées. Les méthodes permettant de réaliser l'invention sont aussi étudiées.

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