Rupturable safety sealing gasket of cell

Details Rupturable safety sealing gasket of cell Rupturable safety sealing gasket of cell

1978-11-30

1980-12-02

Smith, Robert I.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

277DIG10, 429 56, H01M 212

Patent

active

042372038

ABSTRACT:
In a gasket of a cell comprising a marginal portion, an annular center portion and an intermediate portion integrally formed with each other, the intermediate portion of the gasket has an inwardly projecting annular thin wall surrounding the annular center portion with an annular space therebetween. The annular thin wall has, generally, an inverted frusto-conical shape and is provided at the outer surface thereof with an annular horizontal groove and a vertical groove intersecting with each other.

REFERENCES:
patent: 2525436 (1950-10-01), Williams
patent: 3219488 (1965-11-01), Southworth
patent: 3314824 (1967-04-01), Spanur
patent: 4125685 (1978-11-01), Bloom et al.

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