| 摘要 |
A galvanic cell having an improved seal closure for the open end of a cell (10) comprising a cover (38) including an annular depending flange (44) which has a circumferential notch (60) for engaging the inwardly turned peripheral edge (13) of the cell (10), and annular recess (48) located in the cover (38) and extending below the level of the notch (60) and a locking collar (40) for insertion within the recess (48). |
