SAFETY NON-RESEALABLE PRESSURE RELIEF DEVICE FOR GALVANIC CELLS

摘要

- 27 -SAFETY NON-RESEALABLE PRESSURE RELIEF DEVICEFOR GALVANIC CELLSABSTRACTA cover-diaphragm/gasket assembly foxgalvanic cells having a safety, non-resealablepressure relief means formed by punching in thecover at least one opening with at least oneextending tooth that is disposed in cooperativerelation to the diaphragm/gasket and the at leastone tooth being adapted to restrict and secure aportion of the diaphragm so that upon a buildup ofinternal pressure to a predetermined level, thediaphragm section will be expanded into the openingof the cover where the diaphragm section will betorn, tbereby providing a vent opening.