| 摘要 |
PURPOSE:To easily take out a content with simple operation by screwing and assembling a battery cover into a battery case via a packing or a sealing material. CONSTITUTION:A battery cover 2 and a battery case 1 are screwed together via a packing or a sealing material 6. In this case, the cover 2 is previously threaded on its side face to be integrally screwed into the case 1. The packing or the sealing material 6 is provided between the cover 2 and the case 1 to hold a battery inside air tight. Because of no use of heat, safe operation is carried out and no breakage to an air tight-glass 4 occurs. Because of simple operation, no special equipment is required and no experience required for operation. Because of easy disassembly, no wastefull part may be found when the battery inside is taken out for reuse. |
