| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve sealability of a battery unit. <P>SOLUTION: There is proposed a battery unit including at least one sealing layers 12 and 14a, in particular, a battery unit for tools. The sealing layers 12 and 14a are provided to seal an opening 16 caused by breakage with elastic recovery automatically and at least substantially. <P>COPYRIGHT: (C)2012,JPO&INPIT |
