| 摘要 |
PROBLEM TO BE SOLVED: To reduce erroneous operation when manufacturing battery packs by covering a battery main body with one piece of sheet. SOLUTION: The battery pack 50 is manufactured by mounting one piece of sheet 4 on the battery main body 15 in folded state. The sheet 4 has overlapped parts laid on each other in folded state. Prescribed marks 1, 2 are formed on the overlapped part laid at lower side out of overlapped parts of the sheet 4. By the above, whether the sheet 4 is correctly mounted on the battery main body 15 or not, and whether mounted upside down or not are easily judged by confirming whether the marks 1, 2 are visible or not when the sheet 4 is mounted on the battery main body 15. COPYRIGHT: (C)2007,JPO&INPIT
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