| 摘要 |
PURPOSE:To prevent breakage of separators and defective welding of lugs by using a heat conductor to pass part of heat transfer from lugs to separators to the heat conductor when lugs are welded for forming a current collecting part. CONSTITUTION:The specified number of cathode plates 1 and anode plates 2 are stacked through separators 3 to form a plate group 4. Lugs 5 of the plate group 4 are inserted into lug insertion holes 10 installed in a heat conductor 9. Then the plate group 4 is reversely stood so that lugs 5 exist in a mold 7 and molten lead 8 is poured in the mold 7. The lugs 5 located between parts corresponding to the heat conductor 9 and the tops of the lugs 5 are melted and form a current collecting part together with the molten lead 8. Part of heat transfer from the lugs 5 to the separators 3 is passed to the heat conductor 9 when lugs 5 are welded, and heat transfer to the separator 3 is decreased. Breakage of separators and defective welding are prevented. |
