Closure vent seal and assembly

Details Closure vent seal and assembly Closure vent seal and assembly

2006-06-08

2010-11-16

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Blowout type

Reexamination Certificate

active

07833647

ABSTRACT:
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.

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