Dry cell

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

429201, 429229, H01M 606

Patent

active

040010449

ABSTRACT:
A dry cell of the type enclosing therein an electrolyte mainly consisting of zinc chloride, wherein in order to ensure the more secure air- and liquid-tightness a filler or sealing agent is filled into the space between a plastic top seal and a metal top seal to seal a carbon electrode extended out of the plastic top and the upper end portion of a plastic tube covering the top surface of the plastic top seal, whereby the longer shelf life may be ensured.

REFERENCES:
patent: 3338750 (1967-08-01), Urry
patent: 3428494 (1969-02-01), Watanabe et al.
patent: 3795545 (1974-03-01), Kamai
patent: 3841913 (1974-10-01), Anderson
patent: 3892591 (1975-07-01), Uetani et al.
patent: 3905834 (1975-09-01), Harada et al.

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