Packing, production method of crimp assembly, production method of battery housing lid, and production method of battery

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 se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Hamada, Shinji, Eto, Toyohiko
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.