Abdichtung, Verfahren zum Herstellen einer Crimp-Verbindung, Verfahren zum Herstellen eines Batteriegehäusedeckels und Verfahren zum Herstellen einer Batterie

摘要

Packing according to the invention includes a cylinder portion which extends in a direction of an axis, and in which a diameter of a portion in one end side is increased when the packing is fitted to an object. The cylinder portion includes a fold portion which has a tortuous periphery in a cross section orthogonal to the direction of the axis.