| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a temporary sealing plug for a power storage device, which can be attached/detached to/from a liquid injection hole and reused.SOLUTION: A temporary sealing plug 20 has: a first plug forming body 21 and a second plug forming body 31; and an inner sealing member 41 that energizes both plug forming bodies 21 and 31 in a direction in which outer peripheral faces 21d and 31d of the plug forming bodies 21 and 31 tightly contact an inner face of a liquid injection hole 14c and that tightly contacts inner faces 21a and 31a of the plug forming bodies 21 and 31 so as to seal the liquid injection hole 14c from the inside of the bodies. The temporary sealing plug 20 has an outer sealing member 51 that surrounds the two plug forming bodies 21 and 31 from outside at an outer wall face 14b side of a lid 14 to seal the liquid injection hole 14c. The plug forming bodies 21 and 31 have, respectively: locking portions 21b and 31b that are provided on ends at one side in a shaft direction thereof and locked in a peripheral edge of the liquid injection hole 14c on an inner wall face 14a of the lid 14; and flange portions 21c and 31c that are provided on the other ends in the shaft direction and hold the outer sealing member 51 and the lid 14 together with the locking portions 21b and 31b.</p> |
