Leak resistant dry cells

Details Leak resistant dry cells Leak resistant dry cells

1977-02-22

1978-03-14

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429170, 429171, H01M 608

Patent

active

040791734

ABSTRACT:
A leak-resistant dry cell comprises a negative electrode formed by a zinc tube which is designed to be consumed when the cell voltage has fallen to e.g. 0.75 volt, a sealed bag of flexible plastics material enclosing said zinc tube and surrounded by a cylindrical jacket, a carbon positive electrode projecting through said bag and sealed thereto, and a tongue extending from the edge of the sidewall of the zinc tube through said bag in sealing relationship therewith, the tongue contacting a negative terminal of the cell.

REFERENCES:
patent: 894866 (1908-08-01), Wheeler et al.
patent: 2473546 (1949-06-01), Ruben
patent: 3433681 (1969-03-01), Jammet

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