High pressure safety vent for galvanic dry cells

Details High pressure safety vent for galvanic dry cells High pressure safety vent for galvanic dry cells

H - Electricity

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M

319/48

H01M 2/12 (2006.01) H01M 2/04 (2006.01)

Patent

CA 1152149

12726 HIGH PRESSURE SAFETY VENT FOR GALVANIC DRY CELLS ABSTRACT OF THE INVENTION Radially sealed galvanic dry cells having a safety high pressure vent means comprising the crimping of an arc portion between about 150° and 200° of the top edge of the container over the cell's gasket-cover closure means so that at a predetermined high internal gas pressure build up, the gas will tip the cover of the closure means and produce a vent passage within the cell housing between the cover and the gasket of the closure means proximal the remaining arc portion of the top edge of the container. S P E C I F I C A T I O N 1.

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