PRIMARY DRY CELL WITH GAS-VENTING PASSAGEWAY THROUGH THE CATHODE MIX

摘要

PRIMARY DRY CELL WITH GAS-VENTING PASSAGEWAY THROUGH THE CATHODE MIX Primary dry cell comprising a metal anode cup having a cathode mix therein and having an open end which is gas-tightly sealed by a closure including a vent, wherein a gas-venting passageway extends through the cathode mix into communication with the void space defined between the cathode mix and seal closure. S P E C I F I C A T I O N 1.