H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/45
H01M 2/12 (2006.01) H01M 2/04 (2006.01)
Patent
CA 1090875
GALVANIC CELL HAVING A HIGH PRESSURE VENT CLOSURE Sealed galvanic dry cells having at least one gas venting passage disposed at the interface of the top surface of the cover and the curled over rim of the container. The passage is defined as being a recess in the cover disposed below the curled over rim and/or a notch in a portion of the curled over rim. S P E C I F I C A T I O N 1.
299447
Drum Norris H.
Potts Thomas R.
Hopley William G.
Union Carbide Corporation
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