ULTRASCHALLVERSIEGELUNGSVERFAHREN EINER ANODEKAPPE IN EINE DICHTUNG FÜR ELEKTROCHEMISCHE ZELLEN

摘要

A gasket-cover assembly for use as a closure for an electrochemical cell which is produced by a process in which an extended wall of the cover is ultrasonically forced into a flange of a gasket such that the flange of the gasket makes a "U" shaped enclosure about the bottom wall of the cover.