Patent ID: 6846591
Filing Date: 2005-01-25
Classification: H01M,Y02E

Abstract:
1. A battery casing ( 1 ) comprising a lid ( 3 ) having a top surface and a recess ( 12 ) inset into the said top surface, a vent ( 17 ) at the base of the recess through which gas is expelled from the battery, a cover ( 25 ) having opposite ends for sealingly covering said recess, sealing means to provide a seal between the cover and the recess, a gas collection space being defined within the covered recess, and a gas guide means ( 43 ) formed integrally with and in one position within the cover for guiding gas from the collection space away from the battery through one end of the cover, wherein the cover and therefore the gas guide means may be positioned in more than one orientation to the battery casing.