| 摘要 |
A manganese dry battery which is stable and has an excellent gas tightness with any type of heat-shrinkable tube. The manganese dry battery comprises an anode zinc can (1), a cathode mixture (2) contained in the can, a separator (14) interposed between the can and the mixture, a carbon rod (3) inserted in the center of the mixture, a gasket (5) sealing the opening of the can and having a hole in the center thereof through which the carbon rod is inserted and a heat-shrinkable tube (6) covering the circumference of the can with the outer periphery of the gasket. The heat-shrinkable tube comprises at least one selected from the group consisting of polystyrene, polypropylene, polyethylene and a copolymer of ethylene and propylene, and a sealant (9) is applied at least between the opening end of the can and the gasket. |
