Safety snap-through seal for galvanic cells

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

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Details

429163, 429172, 429174, 429185, H01M 202

Patent

active

057766312

ABSTRACT:
An electrochemical cell containing a vent assembly for sealing the cell and having a snap-through seal membrane in the form of a concave contour that is designed to snap from a concave contour to a convex contour and rupture upon the build-up of a predetermined pressure within the cell.

REFERENCES:
patent: 4670362 (1987-06-01), Wiacek et al.
patent: 5080985 (1992-01-01), Wiacek et al.
patent: 5173379 (1992-12-01), Ichinose et al.
patent: 5422201 (1995-06-01), Georgopoulos

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